Battery Protection IC for 1-cell Pack S-8240A Series

Description

The S-8240A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits.

The S-8240A Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage: 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV

  Overcharge release voltage: 3.1 V to 4.6 V Accuracy ±50 mV

  Overdischarge detection voltage: 2.0 V to 3.4 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage: 2.0 V to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage: 0.015 V to 0.200 V (5 mV step) Accuracy ±5 mV

  Load short-circuiting detection voltage: 0.065 V to 0.500 V (25 mV step) Accuracy ±40 mV

  Charge overcurrent detection voltage: -0.200 V to -0.015 V (5 mV step) Accuracy ±5 mV

• Detection delay times are generated only by an internal circuit
  (external capacitors are unnecessary).

• 0 V battery charge function is selectable

  Available, unavailable

• Power-down function is selectable

  Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• Release voltage of discharge overcurrent status is selectable

  Vriov, Vdiov

• High-withstand voltage 

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 1.5 μA typ., 3.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

  During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1-cell Pack S-8240B Series

Description

The S-8240B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits.

The S-8240B Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage: 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV

  Overcharge release voltage: 3.1 V to 4.6 V Accuracy ±50 mV

  Overdischarge detection voltage: 2.0 V to 3.4 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage: 2.0 V to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage: 0.015 V to 0.100 V (1 mV step) Accuracy ±3 mV

  Load short-circuiting detection voltage: 0.065 V to 0.500 V (25 mV step) Accuracy ±40 mV

  Charge overcurrent detection voltage: -0.100 V to -0.015 V (1 mV step) Accuracy ±3 mV

• Detection delay times are generated only by an internal circuit
  (external capacitors are unnecessary).

• 0 V battery charge function is selectable

  Available, unavailable

• Power-down function is selectable

  Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• Release voltage of discharge overcurrent status is selectable

  Vriov, Vdiov

• High-withstand voltage 

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 1.5 μA typ., 3.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

  During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1-Cell Pack S-8200A Series

Description

The S-8200A Series are protection ICs for single-cell lithium-ion / lithium polymer rechargeable batteries and include high-accuracy voltage detectors and delay circuits. These ICs are suitable for protecting single-cell rechargeable lithium-ion / lithium polymer battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.5 V to 4.5 V (5 mV steps) 

  Accuracy ±20 mV (+25°C) Accuracy ±25 mV (-10°C to +60°C)

  Overcharge release voltage 3.1 V to 4.5 V Accuracy ±30 mV

  Overdischarge detection voltage 2.0 V to 3.4 V (10 mV steps) Accuracy ±35 mV

  Overdischarge release voltage 2.0 V to 3.4 V Accuracy ±50 mV

  Discharge overcurrent detection voltage 0.05 V to 0.20 V (10 mV steps) Accuracy ±10 mV

  Load short-circuiting detection voltage 0.5 V (fixed) Accuracy ±100 mV

  Charge overcurrent detection voltage -0.20 V to -0.05 V (25 mV steps) Accuracy ±15 mV

• Detection delay times are generated by an internal circuit (external capacitors are unnecessary). Accuracy ±20%

• High-withstand voltage (VM pin and CO pin: Absolute maximum rating = 28 V)

• 0 V battery charge function "available" / "unavailable" is selectable.

• Power-down function "available" / "unavailable" is selectable.

• Wide operating temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.8 μA typ.,5.0 μA max. (Ta = +25°C)

  During power-down: 0.1 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC for 1-Cell Pack S-8211C Series

Description

The S-8211C Series are protection ICs for single-cell lithium-ion / lithium-polymer rechargeable batteries and include highaccuracy voltage detectors and delay circuits. These ICs are suitable for protecting single-cell rechargeable lithium-ion / lithium-polymer battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.9 to 4.5 V (5 mV steps) Accuracy ±25 mV (+25°C), Accuracy ±30 mV  (−5 to +55°C)

  Overcharge release voltage 3.8 to 4.43 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 to 3.0 V (10 mV steps) Accuracy ±50 mV

  Overdischarge release voltage 2.0 to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage 0.05 to 0.30 V (10 mV steps) Accuracy ±15 mV

  Load short-circuiting detection voltage 0.5 V (fixed) Accuracy ±200mV

  Charge overcurrent detection voltage −0.1 V (fixed) Accuracy ±30 mV

• Detection delay times are generated by an internal circuit (external capacitors are unnecessary). Accuracy ±20%

• High-withstand voltage (VM pin and CO pin: Absolute maximum rating = 28 V)

• 0 V battery charge function available / unavailable are selectable.

• Power-down function available / unavailable are selectable.

• Wide operating temperature range −40 to +85°C

• Low current consumption

  Operation mode 3.0 μA typ., 5.5 μA max. (+25°C)

  Power-down mode 0.2 μA max. (+25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC for 1-Cell Pack S-8211D Series

Description

The S-8211D Series are protection ICs for single-cell lithium-ion / lithium-polymer rechargeable batteries and include high-accuracy voltage detectors and delay circuits. These ICs are suitable for protecting single-cell rechargeable lithium-ion / lithium-polymer battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage: 3.6 to 4.5 V (5 mV steps) Accuracy ±25 mV (+25°C), Accuracy ±30 mV (−5 to +55°C)

  Overcharge release voltage: 3.5 to 4.4 V Accuracy ±50 mV

  Overdischarge detection voltage: 2.0 to 3.0 V (10 mV steps) Accuracy ±50 mV

  Overdischarge release voltage: 2.0 to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage: 0.05 to 0.30 V (10 mV steps) Accuracy ±15 mV

  Load short-circuiting detection voltage: 0.5 V (fixed) Accuracy ±200mV

• Detection delay times are generated by an internal circuit (external capacitors are unnecessary). Accuracy ±20%

• High-withstand voltage (VM pin and CO pin: Absolute maximum rating = 28 V)

• 0 V battery charge function "available" / "unavailable" are selectable.

• Power-down function "available" / "unavailable" is selectable.

• Wide operating temperature range: Ta = −40 to +85°C

• Low current consumption

  During operation: 3.0 μA typ., 5.5 μA max. (Ta = +25°C)

  During power-down: 0.2 μA max. (Ta = +25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC for 1-Cell Pack S-8261 Series

Description

The S-8261 series are lithium-ion/lithium polymer rechargeable battery protection ICs incorporating high-accuracy voltage detection circuit and delay circuit.

The S-8261 series are suitable for protection of single-cell lithium ion/lithium polymer battery packs from overcharge, overdischarge and overcurrent.

Features

• Internal high accuracy voltage detection circuit

  Overcharge detection voltage: 3.9V to 4.5V(applicable in 5mV step), Accuracy: ±25mV (+25°C) and ±30mV (-5°C to +55°)

  Overcharge hysteresis voltage: 0.1V to 0.4V, Accuracy: ±25mV

  Overdischarge detection voltage: 2.0V to 3.0V(10mV step), Accuracy: ±50mV

  Overdischarge hysteresis voltage: 0.0V to 0.7V, Accuracy: ±50mV

  Overcurrent 1 detection voltage: 0.05V to 0.3V (10mV step), Accuracy: ±15mV

  Overcurrent 2 detection voltage: 0.5V(fixed), Accuracy: ±100mV

• High-withstand voltage (VM and CO pins: Absolute maximum rating = 28V)

• Delay times (overcharge: tCU, overdischarge: tDL, overcurrent 1: tlOV1, overcurrent 2: tlOV2) are generated by an internal circuit. No external capacitor is necessary. Accuracy: ±20%

• Three-step overcurrent detection circuit is included. (overcurrent 1, overcurrent 2, and load short-circuiting)

• 0 V battery charge function “available” / “unavailable” are selectable.

• Charger detection function and abnormal charge current detection function.
  The overdischarge hysteresis is released by detecting negative voltage at the VM pin (-0.7V typ.).
  (Charger detection function)
  When the output voltage of the DO pin is high and the voltage at the VM pin is equal to or lower than the charger detection voltage (-0.7V typ.), the output voltage of the CO pin goes low. (Abnormal charge current detection function)

• Low current consumption

  Operation: 3.5 μA typ., 7.0 μA max.

  Power-down: 0.1 μA max.

• Wide operating temperature range

  -40°C to +85°C

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

Battery Protection IC with Charge-discharge Control Function for 1-Cell Pack S-82B1A Series

Description

The S-82B1A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

The S-82B1A Series has an input pin for charge-discharge control signal, allowing for charge-discharge control with an external signal.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV

  Overcharge release voltage 3.1 V to 4.6 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage 2.0 V to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage 1 0.010 V to 0.100 V (1 mV step) Accuracy ±3 mV

  Discharge overcurrent detection voltage 2 0.030 V to 0.200 V (1 mV step) Accuracy ±5 mV

  Load short-circuiting detection voltage 0.050 V to 0.500 V (5 mV step) Accuracy ±20 mV

  Charge overcurrent detection voltage -0.100 V to -0.010 V (1 mV step) Accuracy ±3 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Charge-discharge control function

  CTL pin control logic is selectable: Active “H”, active “L”

  CTL pin internal resistance connection is selectable: Pull-up, pull-down

  CTL pin internal resistance value is selectable: 1.0 MΩ, 2.0 MΩ, 3.0 MΩ, 4.0 MΩ, 5.0 MΩ

• 0 V battery charge function is selectable

  Available, unavailable

• Power-down function is selectable

  Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• Release voltage of discharge overcurrent status is selectable

  Discharge overcurrent detection voltage 1 (Vdiov1), 
  Discharge overcurrent release voltage (Vriov) = Vdd × 0.8 (typ.)

• High-withstand voltage

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

  During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC with Discharge Control Function for 1-Cell Pack S-8230A/B Series

Description

The S-8230A/B Series is a protection IC for 1-cell lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits.

The S-8230A/B Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, overcurrent, and controlling discharge by external signal.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage: 3.5V to 4.5V(5mV step), Accuracy of ±20mV(Ta = +25°C) , ±25mV(-10°C to +25°C)

  Overcharge release voltage: 3.1V to 4.5V , Accuracy of ±30 mV

  Overdischarge detection voltage: 2.0V to 3.4V (10 mV step), Accuracy of ±35 mV

  Overdischarge release voltage; 2.0V to 3.4V , Accuracy of ±50 mV

  Discharge overcurrent detection voltage: 0.05V to 0.20V (10mV step), Accuracy of ±10mV

  Load short-circuiting detection voltage: 0.5V (fixed), Accuracy of ±100mV

  Charge overcurrent detection voltage:-0.20 V to -0.05 V (25 mV step), Accuracy ±15 mV, -0.16 V to -0.08 V (40 mV step)

• Detection delay times are generated only by an internal circuit (External capacitors are unnecessary).

  Accuracy ±20%

• Discharge control function

  CTL pin control logic is selectable: Active “H”, active “L”

  CTL pin internal resistance connection is selectable: Pull-up, pull-down

  CTL pin internal resistance value is selectable: 1.0 MΩ, 2.5 MΩ, 5.0 MΩ

  Discharge inhibition status latch function is selectable: Available, unavailable

• 0 V battery charge function is selectable

  Available, unavailable

• Power-down function is selectable

  Available, unavailable

• Return condition from discharge overcurrent status is selectable

  Load disconnection, charger connection

• High-withstand voltage device is used for charger connection pins:

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.8 μA typ., 5.5 μA max. (Ta = +25°C)

  During power-down: 0.1 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC with Discharge Control Function for 1-Cell Pack S-8250A Series

Description

The S-8250A Series is a protection IC for 1-cell lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits.

The S-8250A Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, overcurrent, and controlling discharge by external signal. By adjusting power supply voltage dependency of discharge overcurrent detection voltage in accordance with ON resistance of the charge-discharge control FET, the S-8250A Series realizes high-accuracy discharge overcurrent detection.

Features

• High-accuracy discharge overcurrent detection circuit

  Discharge overcurrent detection voltage :0.05 V to 0.15 V (1 mV step) 
  Accuracy ±10 mV (Ta = +25°C)

  (Power supply voltage dependency can be set in accordance with ON resistance of the charge-discharge control FET.)

• High-accuracy voltage detection circuit

  Overcharge detection voltage :4.1 V to 4.6 V (5 mV step) 
  Accuracy ±20 mV (Ta = +25°C)
  Accuracy ±25 mV (Ta = -10°C to +60°C)

  Overcharge release voltage : 3.7 V to 4.6 V Accuracy ±30 mV

  Overdischarge detection voltage : 2.0 V to 2.8 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage : 2.0 V to 3.0 V Accuracy ±100 mV

  Load short-circuiting detection voltage : 0.25 V to 0.50 V (50 mV step) 
  Accuracy ±50 mV

  Charge overcurrent detection voltage : -0.20 V to −0.025 V (25 mV step) Accuracy ±15 mV

• Detection delay times are generated only by an internal circuit (External capacitors are unnecessary).

• Discharge control function

  CTL pin control logic is selectable: Active “H”, active “L”

  CTL pin internal resistance connection is selectable: Pull-up, pull-down

  CTL pin internal resistance value is selectable:1.0 MΩ, 2.0 MΩ, 3.0 MΩ,
  4.0 MΩ, 5.0 MΩ

  Discharge inhibition status latch function is selectable : Available, unavailable

• 0 V battery charge function is selectable : Available, unavailable

• Power-down function is selectable: Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• High-withstand voltage device is used for charger connection pins:

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC with Discharge Control Function for 1-Cell Pack S-8250B Series

Description

The S-8250B Series is a protection IC for 1-cell lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits.

The S-8250B Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge and overcurrent. By adjusting power supply voltage dependency of discharge overcurrent detection voltage in accordance with ON resistance of the charge-discharge control FET, the S-8250B Series realizes high-accuracy discharge overcurrent detection.

Features

• High-accuracy discharge overcurrent detection circuit

  Discharge overcurrent detection voltage :0.05 V to 0.15 V (1 mV step)
  Accuracy ±10 mV (Ta = +25°C)
  (Power supply voltage dependency can be set in accordance with ON resistance of the charge-discharge control FET.)

• High-accuracy voltage detection circuit

  Overcharge detection voltage :4.1 V to 4.6 V (5 mV step) 
  Accuracy ±20 mV (Ta = +25°C)
  Accuracy ±25 mV (Ta = -10°C to +60°C)

  Overcharge release voltage : 3.7 V to 4.6 V Accuracy ±30 mV

  Overdischarge detection voltage : 2.0 V to 2.8 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage : 2.0 V to 3.0 V Accuracy ±100 mV

  Load short-circuiting detection voltage :0.25 V to 0.50 V (50 mV step)
  Accuracy ±50 mV

  Charge overcurrent detection voltage :-0.20 V to -0.05 V (25 mV step)
  Accuracy ±15 mV

• Detection delay times are generated only by an internal circuit (External capacitors are unnecessary).

• 0 V battery charge function is selectable : Available, unavailable

• Power-down function is selectable : Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• High-withstand voltage

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC for 1-Cell Pack S-82A1A Series

Description

The S-82A1A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

By using an external overcurrent detection resistor, the S-82A1A Series realizes high-accuracy overcurrent protection with less effect from temperature change.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV

  Overcharge release voltage 3.1 V to 4.6 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage 2.0 V to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage 1 0.010 V to 0.100 V (1 mV step) Accuracy ±3 mV

  Discharge overcurrent detection voltage 2 0.030 V to 0.200 V (1 mV step) Accuracy ±5 mV

  Load short-circuiting detection voltage 0.050 V to 0.500 V (5 mV step) Accuracy ±20 mV

  Charge overcurrent detection voltage -0.100 V to -0.010 V (1 mV step) Accuracy ±3 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• 0 V battery charge function is selectable

  Available, unavailable

• Power-down function is selectable

  Available, unavailable

• Release condition of discharge overcurrent status is selectable

  Load disconnection, charger connection

• Release voltage of discharge overcurrent status is selectable

  Discharge overcurrent detection voltage 1 (Vdiov1), 
  Discharge overcurrent release voltage (Vriov) = Vdd × 0.8 (typ.)

• High-withstand voltage

  VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

  During power-down: 50 nA max. (Ta = +25°C)

  During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 2-Serial Cell Pack S-8252 Series

Description

The S-8252 Series are protection ICs for 2-serial-cell lithium-ion / lithium polymer rechargeable batteries and include highaccuracy voltage detectors and delay circuits.These ICs are suitable for protecting 2-serial-cell rechargeable lithium-ion / lithium polymer battery packs from overcharge,overdischarge, and overcurrent.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n = 1, 2):3.55 V to 4.6 V (5 mV steps) Accuracy ±20 mV (+25°C), Accuracy ±25 mV (-10°C to +60°C)

  Overcharge release voltage n (n = 1, 2):3.15 V to 4.6 V Accuracy ±30 mV

  Overdischarge detection voltage n (n = 1, 2):2.0 V to 3.0 V (10 mV steps) Accuracy ±50 mV

  Overdischarge release voltage n (n = 1, 2):2.0 V to 3.4 V Accuracy ±100 mV

  Discharge overcurrent detection voltage:0.05 V to 0.4 V (10 mV steps) Accuracy ±10 mV

  Load short-circuiting detection voltage:0.5 V (fixed) Accuracy ±100 mV

  Charge overcurrent detection voltage:-0.4 V to -0.05 V (25 mV steps) Accuracy ±20 mV

• Charge overcurrent detection function “available” / “unavailable” is selectable.

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary). Accuracy ±20%

• High-withstanding-voltage (VM pin and CO pin Absolute maximum rating = 28 V)

• 0 V battery charge function available / unavailable are selectable.

• Power-down function “available” / “unavailable” is selectable.

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  Operation mode:8.0 μA max. (+25°C)

  Power-down mode:0.1 μA max. (+25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 2-Serial Cell Pack S-8262A Series

Description

The S-8262A Series is a protection IC for 2-serial-cell lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detectors and delay circuits.

The S-8262A Series has an alarm signal output pin (AO pin) which outputs the alarm detection signal.

The alarm detection signal is output prior to the charge control FET signal by overcharge detection.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n = 1, 2) : 3.900 V to 4.500 V (5 mV steps)

  Accuracy ±20 mV (Ta = +25°C), Accuracy ±25 mV (Ta = -10°C to +60°C) Overcharge release voltage n (n = 1, 2) : 3.800 V to 4.500 V

  Accuracy ±30 mV
  Overdischarge detection voltage n (n = 1, 2) : 2.00 V to 3.00 V (10 mV steps)

  Accuracy ±50 mV
  Overdischarge release voltage n (n = 1, 2) : 2.00 V to 3.40 V

  Accuracy ±100 mV
  Discharge overcurrent 1 detection voltage : 0.05 V to 0.20 V (10 mV steps)

  Accuracy ±10 mV
  Discharge overcurrent 2 detection voltage : 0.20 V to 0.40 V (20 mV steps)

  Accuracy ±20 mV
  Load short-circuiting detection voltage : 0.70 V (fixed)

  Accuracy ±100 mV
  Charge overcurrent detection voltage : -0.400 V to -0.050 V (25 mV steps)

  Accuracy ±20 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary). Accuracy ±20%

• High-withstanding-voltage device is used for charger connection pins (VM pin and CO pin: Absolute maximum rating = 28 V)

• 0 V battery charge function “available” / “unavailable” is selectable.

• Wide operating temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 8.0 μA max. (Ta = +25°C)

  During power-down: >0.1 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

Battery Protection IC for 2-Serial or 3-Serial Cell Pack S-8253C/D Series

Description

The S-8253C/D Series is a protection ICs for 2-series or 3-series cell lithium-ion rechargeable battery and includes high-accuracy voltage detector and delay circuit. This IC is suitable for protecting lithium-ion battery packs from overcharge, overdischarge and overcurrent.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n =1 to 3): 3.9 V to 4.4 V (50 mV steps) Accuracy ±25 mV

  Overcharge release voltage n (n =1 to 3): 3.8 V to 4.4 V  Accuracy ±50 mV

  Overdischarge detection voltage n (n =1 to 3): 2.0 V to 3.0 V (100 mV steps) Accuracy ±80 mV

  Overdischarge release voltage n (n =1 to 3): 2.0 V to 3.4 V  Accuracy ±100 mV

• Three-level overcurrent detection (including load short circuiting detection)

  Overcurrent detection voltage 1: 0.05 V to 0.30 V (50 mV steps) Accuracy ±25 mV

  Overcurrent detection voltage 2: 0.5 V (fixed)

  Overcurrent detection voltage 3: 1.2 V (fixed)

• Delay time (Overcharge, Overdischarge, Overcurrent) is available by only using an internal circuit. (External capacitors are unnecessary).

• Charge / discharge operation can be inhibited by the control pin.

• With/without 0 V battery charge function selectable.

• High-withstand voltage

  Absolute maximum rating: 26 V

• Wide operating voltage range

  2 V to 24 V

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  Operation mode 28 μA max. (25°C)

  Power-down mode 0.1 μA max. (25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

Battery Protection IC for 3-Cell Serial Pack S-8243A Series

Description

The S-8243A/B is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy battery protection circuits, a battery monitor amp and a voltage regulator.

The S-8243A/B is suitable for protection of 3-serial or 4- serial cell lithium-ion battery packs from overcharge, overdischarge and overcurrent.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n= 1 to 4): 3.9V to 4.4V (50mV step), Accuracy ±25mV

  Hysteresis voltage n(n=1 to 4) of overcharge detection: -0.10V to -0.40V (50mV step) or 0V, Accuracy ±50mV
  (Overcharge release voltage n(=Overcharge detection voltage n +Hysteresis voltage n) can be selected within the range 3.8V to 4.4V.)

  Overdischarge detection voltage n(n=1 to 4): 2.0V to 3.0V (100mV step), Accuracy ±80 mV

  Hysteresis voltage n(n=1 to 4) of overdischarge detection: 0.20V to 0.70V or 0V(100mV step), Accuracy ±100mV
  (Overdischarge release voltage n (=Overdischarge detection voltage n +Hysteresis voltage n) can be selected within the range 2.0V to 3.4V.)

• Three-level overcurrent protection including protection for short-circuiting

  Overcurrent detection voltage 1: 0.05V to 0.3V (50mV step), Accuracy ±25mV

  Overcurrent detection voltage 2: 0.5V, Accuracy ±100mV

  Overcurrent detection voltage 3: V_DD/2, Accuracy ±15 %

• Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set by external capacitors. (Delay times for overcurrent detection 2 and 3 are fixed internally.)

• Charge/discharge operation can be controlled through the control pins.

• High-accuracy battery monitor amp

  GAMP =V_BATTERY × 0.2 ±1.0%

• Voltage regulator

  V_OUT =3.3V ±2.4% (3mA max.)

• High-withstand voltage

  Absolute maximum rating: 26V

• Wide operating voltage range

  6V to 18V

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  Operation mode 120 μA max.

  Power down mode 0.1 μA max.

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium- polymer rechargeable battery packs

Battery Protection IC for 3-Serial or 4-Serial-Cell Pack S-8254A Series

Description

The S-8254A series is a protection IC for 3-serial or 4-serial cell lithium ion rechargeable batteries and includes a high-accuracy voltage detector and delay circuit.

The S-8254 series protects both 3-serial or 4-serial cells using the SEL pin for switching.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n(n=1 to 4): 3.9 V to 4.4 V (50 mV steps) Accuracy ±25 mV

  Overcharge release voltage n(n=1 to 4): 3.8 V to 4.4 V Accuracy ±50 mV

  Overdischarge detection voltage n(n =1 to 4): 2.0 V to 3.0 V (100 mV steps) Accuracy ±80mV

  Overdischarge release voltage n(n=1 to 4): 2.0 V to 3.4 V Accuracy ±100 mV

• Three-level overcurrent protection

  Overcurrent detection voltage 1: 0.05 V to 0.3 V (50 mV steps) Accuracy ±25 mV

  Overcurrent detection voltage 2: 0.5 V Accuracy ±100 mV

  Overcurrent detection voltage 3: VC1-1.2 V Accuracy ±300 mV

• Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set by external capacitors. (Delay times for overcurrent detection 2 and 3 are fixed internally.)

• Switchable between a 3-serial cell and 4-serial cell using the SEL pin

• Charge/discharge operation can be controlled via the control pins.

• High-withstand voltage

  Absolute maximum rating: 26 V

• Wide operating voltage range

  2 V to 24 V

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  Operation mode 30 μA max.(+25°C),

  Power-down mode 0.1 μA max. (+25°C)

• Lead-free, Sn100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

Battery Protection IC for 3-Serial or 4-Serial-Cell Pack S-8204A Series

Description

The S-8204A Series includes high-accuracy voltage detection circuits and delay circuits, in single use, makes it possible for users to monitor the status of 3-series or 4-series cell lithium-ion rechargeable battery. By switching the voltage level which is applied to the SEL pin, users are able to use the S-8204A Series either for 3-series or 4-series cell pack. By cascade connection using the S-8204A Series, it is also possible to protect 6-series or more cells(*1) lithium-ion rechargeable battery pack.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n(n=1 to 4): 3.8 V to 4.6 V (50 mV steps) Accuracy ±25 mV

  Overcharge release voltage n(n=1 to 4): 3.6 V to 4.6 V Accuracy ±50 mV

  Overdischarge detection voltage n(n =1 to 4): 2.0 V to 3.0 V (100 mV steps) Accuracy ±80mV

  Overdischarge release voltage n(n=1 to 4): 2.0 V to 3.4 V Accuracy ±100 mV

• Discharge overcurrent detection in 3-step

  Discharge overcurrent detection voltage 1: 0.05 to 0.30 V (50 mV steps) Accuracy ±15 mV

  Discharge overcurrent detection voltage 2: 0.5 V (fixed) Accuracy ±100 mV

  Short circuit detection voltage: 1.0 V (fixed) Accuracy ±300 mV

• Charge overcurrent detection

  Charge overcurrent detection voltage: -0.25 to -0.05 V (50 mV step) Accuracy ±30 mV

• Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge overcurrent detection delay time 1, Discharge overcurrent detection delay time 2 
  (Short circuit detection voltage delay time is internally fixed.)

• Switchable between 3-series and 4-series cell by using the SEL pin

• Independent charging and discharge control by the control pins

• High-withstand voltage

  Absolute maximum rating: 24 V

• Wide operating voltage range

  2 V to 22 V

• Wide range of operation temperature

  Ta = -40°C to +85°C

• Low current consumption

  Operation mode 33 μA max.(Ta = +25°C)

  Power-down mode 0.1 μA max. (Ta = +25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

Battery Protection IC for 3-Serial or 4-Serial-Cell Pack S-8204B Series

Description

The S-8204B Series includes high-accuracy voltage detection circuits and delay circuits, in single use, makes it possible for users to monitor the status of 3-series or 4-series cell lithium-ion rechargeable battery. By switching the voltage level which is applied to the SEL pin, users are able to use the S-8204B Series either for 3-series or 4-series cell pack. By cascade connection using the S-8204B Series, it is also possible to protect 6-series or more cells lithium-ion rechargeable battery pack.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n(n=1 to 4): 3.8 V to 4.6 V (50 mV steps) Accuracy ±25 mV

  Overcharge release voltage n(n=1 to 4): 3.6 V to 4.6 V  Accuracy ±50 mV

  Overdischarge detection voltage n(n =1 to 4): 2.0 V to 3.0 V (100 mV steps) Accuracy ±80mV

  Overdischarge release voltage n(n=1 to 4): 2.0 V to 3.4 V  Accuracy ±100 mV

• Discharge overcurrent detection in 3-step

  Discharge overcurrent detection voltage 1: 0.05 to 0.30 V (50 mV steps) Accuracy ±15 mV

  Discharge overcurrent detection voltage 2: 0.5 V (fixed) Accuracy ±100 mV

  Short circuit detection voltage: 1.0 V (fixed) Accuracy ±300 mV

• Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge overcurrent detection delay time 1, Discharge overcurrent detection delay time 2
  (Short circuit detection voltage delay time is internally fixed.)

• Switchable between 3-series and 4-series cell by using the SEL pin

• Independent charging and discharge control by the control pins

• High-withstand voltage

  Absolute maximum rating: 24 V

• Wide operating voltage range

  2 V to 22 V

• Wide range of operation temperature

  -40°C to +85°C

• Low current consumption

  Operation mode 33 μA max.(+25°C)

  Power-down mode 0.1 μA max. (+25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

Battery Monitoring IC for 3-Serial to 5-Serial Cell Pack S-8225A Series

Description

The S-8225A Series includes a voltage detection circuit with high accuracy and a delay circuit, and can monitor the status of 3-serial to 5-serial cell lithium-ion rechargeable battery in single use. By switching the voltage level which is applied to the SEL1 pin and SEL2 pin, users are able to use the S-8225A Series for 3-serial to 5-serial cell pack.

By cascade connection using the S-8225A Series, it is also possible to protect 6-serial or more cells rechargeable lithium-ion battery pack.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n = 1 to 5): 3.5 V to 4.4 V (50 mV step), Accuracy ±20 mV (Ta = +25°C), ±30 mV (Ta = 0°C to +60°C)

  Overcharge release voltage n (n = 1 to 5): 3.3 V to 4.4 V^*1 , Accuracy ±50 mV

  Overdischarge detection voltage n (n = 1 to 5): 2.0 V to 3.2 V (100 mV step) , Accuracy ±80 mV

  Overdischarge release voltage n (n = 1 to 5): 2.0 V to 3.4 V^*2 , Accuracy ±100 mV

• Overcharge detection delay time and overdischarge detection delay time can be set by external capacitor.

• Switchable between 3-serial to 5-serial cell by using the SEL1 pin and the SEL2 pin

• Cascade connection is available.

• The CO pin and the DO pin are controlled by the CTLC pin and the CTLD pin, respectively.

• Output voltage of the CO pin and the DO pin is limited to 12 V max.

• High-withstand voltage

  Absolute maximum rating: 28 V

• Wide operating voltage range

  4 V to 26 VWide operating temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation (V1 = V2 = V3 = V4 = V5 = 3.4 V) 22 μA max. (Ta = +25°C)

  During power-down (V1 = V2 = V3 = V4 = V5 = 1.6 V) 4.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Rechargeable lithium-ion battery pack

Battery Monitoring IC for 3-Serial to 5-Serial Cell Pack S-8225B Series

Description

The S-8225B Series includes a voltage detection circuit with high accuracy and a delay circuit, and can monitor the status of 3-serial to 5-serial cell lithium-ion rechargeable battery in single use. By switching the voltage level which is applied to the SEL1 pin and SEL2 pin, users are able to use the S-8225B Series for 3-serial to 5-serial cell pack.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n = 1 to 5): 3.5 V to 4.4 V (50 mV step), Accuracy ±20 mV (Ta = +25°C), ±30 mV (Ta = 0°C to +60°C)

  Overcharge release voltage n (n = 1 to 5): 3.3 V to 4.4 V , Accuracy ±50 mV

  Overdischarge detection voltage n (n = 1 to 5): 2.2 V to 3.2 V (100 mV step) , Accuracy ±80 mV

  Overdischarge release voltage n (n = 1 to 5): 2.2 V to 3.4 V , Accuracy ±100 mV

• Overcharge detection delay time and overdischarge detection delay time can be set by external capacitor.

• Switchable between 3-serial to 5-serial cell by using the SEL1 pin and the SEL2 pin

• The CO pin and the DO pin are controlled by the CTLC pin and the CTLD pin, respectively.

• Output voltage of the CO pin and the DO pin is limited to 12 V max.

• Output logic is selectable.

  Active “H”, active “L”

• High-withstand voltage

  Absolute maximum rating: 28 V

• Wide operating voltage range

  4 V to 26 V

• Wide operating temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation (V1 = V2 = V3 = V4 = V5 = 3.4 V) : 20 μA max. (Ta = +25°C)

  During power-down (V1 = V2 = V3 = V4 = V5 = 1.6 V): 3.0 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Rechargeable lithium-ion battery pack

Battery Protection IC for 4-Series or 5-Series Cell Pack S-8205A/B Series

Description

The S-8205A/B Series includes a voltage detection circuit with high accuracy and a delay circuit, in single use, makes it possible for users to monitor the status of 4-series or 5-series cell lithium-ion rechargeable battery. These ICs are suitable for protecting rechargeable lithium-ion battery packs from overcharge, overdischarge, and overcurrent.

Features

• High-accuracy voltage detection for each cell

  Overcharge detection voltage n (n = 1 to 5) 3.55 V to 4.50 V (50 mV step) Accuracy ±25 mV

  Overcharge release voltage n (n = 1 to 5) 3.30 V to 4.50 V Accuracy ±50 mV

  Overdischarge detection voltage n (n = 1 to 5) 2.0 V to 3.2 V (100 mV step) Accuracy ±80 mV

  Overdischarge release voltage n (n = 1 to 5) 2.0 V to 3.4 V Accuracy ±100 mV

• Discharge overcurrent detection in 2-step

  Discharge overcurrent detection voltage 0.05 V to 0.30 V (50 mV step) Accuracy ±15 mV

  Short circuit detection voltage 0.50 V to 1.0 V (100 mV step) Accuracy ±100 mV

• Charge overcurrent detection

  Charge overcurrent detection voltage -0.30 V to -0.05 V (50 mV step) Accuracy ±30 mV

• Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge overcurrent detection delay time, Charge overcurrent detection delay time (Load short circuit detection delay time is internally fixed.)

• S-8205A Series: used for 4-series cell, S-8205B Series: used for 5-series cell

• Independent charging and discharge control by the control pins

• Products with and without a power-down function can be selected.

• Withstand voltage element Absolute maximum rating

  28 V

• Wide range of operation voltage

  2 V to 24 V

• Wide range of operation temperature

  -40°C to +85°C

• Low current consumption

  Operation mode 40 μA max. (+25°C)

  Power-down mode 0.1 μA max. (+25°C)

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery packs

Battery Protection IC for 1-cell Pack (Secondary Protection) S-8206A Series

Description

The S-8206A Series is used for secondary protection of lithium-ion / lithium polymer rechargeable batteries, and incorporates a high-accuracy voltage detection circuit and a delay circuit.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.50V to 5.00V(5mV step) Accuracy ±20 mV

  Overcharge release voltage 3.10V to 4.95V Accuracy ±50 mV

• Detection delay time is generated only by an internal circuit 
  (external capacitors are unnecessary). 

• Output logic is selectable

  Active “H”, active “L” 

• Output form is selectable

  CMOS output, Nch open-drain output

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 1.5 μA typ., 3.0 μA max. (Ta = +25°C) 

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1 to 4 Cells (Secondary Protection) S-8244 Series

Description

The S-8244 series is used for secondary protection of lithium-ion batteries with from one to four cells, and incorporates a high-precision voltage detector circuit and a delay circuit. Short-circuits between cells accommodate series connection of one to four cells.

Features

• Internal high-precision voltage detector circuit

  1) Overcharge detection voltage range:
      3.70 to 4.50V(at a 5 mV/step): Accuracy of ± 25mV (at +25°C), Accuracy ±50mV (at -40 to +85°C),
  2) Hysteresis: 5 optional models available and selectable:
      0.38 ± 0.1V, 0.25 ± 0.07V, 0.13 ± 0.04V, 0.045 ± 0.02V, None

• High-withstand voltage

  Absolute maximum rating: 26V

• Wide operating voltage range

  3.6V to 24V (refers to the range in which the delay circuit can operate normally after overvoltage is detected)

• Delay time during detection

  Can be set by an external capacitor.

• Low current consumption

  At 3.5V for each cell: 3.0 μA max. (+25°C),
  At 2.3V for each cell: 2.4 μA max. (+25°C)

• Output logic and form – 5 types

  CMOS output active “H”
  CMOS output active “L”
  Pch open drain output active “L”
  Nch open drain output active “H”
  Nch open drain output active “L”
  (CMOS / Nch open drain output for 0.045 V hysteresis models)

• Lead-free, Sn 100%, halogen-free

Applications

• Secondary protection of lithium ion rechargeable batteries

Battery Protection IC for 2-Serial / 3-Serial Cell Pack (Secondary Protection) S-8213 Series

Description

The S-8213 Series is used for secondary protection of lithium-ion rechargeable batteries, and incorporates a high-accuracy voltage detection circuit and a delay circuit. Short-circuits between VC3 to VSS accommodate serial connection of two cells or three cells.

Features

• High-accuracy voltage detection circuit for each cell

  Overcharge detection voltage n (n = 1 to 3)
  4.10 V to 4.50 V (in 50 mV steps)
  Accuracy: ±25 mV (Ta = +25°C)
  Accuracy: ±30 mV (Ta = 0°C to +60°C)

  Overcharge hysteresis voltage n (n = 1 to 3)
  0 V ± 25 mV, -0.05 V ± 25 mV, -0.4 V ± 80 mV

• Delay times for overcharge detection can be set by an internal circuit only (external capacitors are unnecessary)

• Output logic is selectable

  Active “H”, Active “L”

• High-withstand voltage

  Absolute maximum rating 26 V

• Wide operating voltage range

  3.6 V to 24 V

• Wide operating temperature range

  Ta = -40°C to +85°C

• Low current consumption

  At VCUn – 1.0 V for each cell: 2.0 μA max. (Ta = +25°C)

  At 2.0 V for each cell: 0.3 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

  
  

Applications

• Lithium-ion rechargeable battery pack (for secondary protection)

Battery Protection IC for 2-Serial to 4-Serial-cell Pack (Secondary Protection) S-8264A/B/C Series

Description

The S-8264A/B/C Series is used for secondary protection of lithium-ion rechargeable batteries, and incorporates a high-accuracy voltage detection circuit and a delay circuit. Short-circuits between cells accommodate series connection of two to four cells.

Features

• High-accuracy voltage detection circuit for each cell

  Overcharge detection voltage n (n = 1 to 4) 4.20 V to 4.80 V (in 50 mV steps) 
  Accuracy ±25 mV (+25°C), Accuracy ±30 mV (-5°C to +55°C)

  Overcharge hysteresis voltage n (n = 1 to 4) -0.52 ±0.21 V, -0.39 ±0.16 V, -0.26 ±0.11 V, -0.13 ±0.06 V, None

• Delay times for overcharge detection can be set by an internal circuit only (external capacitors are unnecessary)

• Output control function via CTL pin (CTL pin is pulled down internally) (S-8264A Series)
  Output control function via CTL pin (CTL pin is pulled up internally) (S-8264C Series)

• Output latch function after overcharge detection (S-8264B Series)

• Output form and logic

  CMOS output active “H”

• High withstand voltage devices

  Absolute maximum rating: 26 V

• Wide operating voltage range

  3.6 V to 24 V

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  At 3.5 V for each cell: 5.0 μA max. (+25°C)

  At 2.3 V for each cell: 4.0 μA max. (+25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs (for secondary protection)

Battery Protection IC for 3-Serial to 5-Serial Cell Pack (Secondary Protection) S-8215A Series

Description

The S-8215A Series is used for secondary protection of lithium-ion rechargeable batteries, and incorporates high-accuracy voltage detection circuits and delay circuits. Short-circuiting between cells makes it possible for serial connection of 3 cells to 5 cells.

Features

• High-accuracy voltage detection circuit for each cell

  Overcharge detection voltage n (n = 1 to 5) 
   3.60 V to 4.70 V (in 50 mV steps) 
   Accuracy ±25 mV (+25°C) 
   Accuracy ±30 mV (−5°C to +55°C)

  Overcharge hysteresis voltage n (n = 1 to 5)
   0.0 mV to −550 mV (in 50 mV steps) 
   −300 mV to −550 mV Accuracy ±20% 
   −100 mV to −250 mV Accuracy ±50 mV
   0.0 mV to−50 mV  Accuracy ±25 mV

• Delay times for overcharge detection can be set by an internal circuit only (external capacitors are unnecessary)

• Output form is selectable

  CMOS output, Nch open-drain output, Pch open-drain output

• Output logic is selectable

  Active “H”, Active “L”

• High withstand voltage

  Absolute maximum rating: 28 V

• Wide operating voltage range

  3.6 V to 26 V

• Wide operating temperature range

  −40°C to +85°C

• Low current consumption

   At Vcun – 1.0 V for each cell: 3.0 μA max. (+25°C)

   At 2.3 V for each cell: 1.7 μA max. (+25°C)

• Lead-free, Sn 100%, halogen-free (Refer to “Product Name Structure” for details.)

Applications

• Lithium-ion rechargeable battery packs (for secondary protection)

Battery Monitoring IC for 1-cell Pack S-8259A Series

Description

The S-8259A Series is an IC including high-accuracy voltage detection circuits and delay circuits.

The S-8259A Series is suitable for monitoring overcharge and overdischarge for 1-cell lithium-ion / lithium polymer rechargeable battery packs.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage: 3.5 V to 4.6 V (5 mV step) Accuracy ±20 mV 

  Overcharge release voltage: 3.1 V to 4.6 V Accuracy ±50 mV 

  Overdischarge detection voltage: 2.0 V to 3.4 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage 2.0 V to 3.4 V Accuracy ±100 mV

• Detection delay times are generated only by an internal circuit 
  (external capacitors are unnecessary). 

• Wide operation temperature range

  Ta = -40°C to +85°C

• Low current consumption

  During operation: 1.5 μA typ., 3.0 μA max. (Ta = +25°C) 

  During overdischarge: 2.0 μA max. (Ta = +25°C) 

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1-Cell Pack S-8211E Series

Description

The S-8211E Series has the high-accuracy voltage detection circuit and the delay circuit. This IC is suitable for monitoring overcharge and overdischarge of 1-cell lithium ion / lithium polymer secondary battery pack.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.6 V to 4.5 V (5 mV step) Accuracy ±25 mV (+25°C) / Accuracy ±30 mV (-5°C to +55°C

  Overcharge release voltage 3.5 V to 4.4 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV

  Overdischarge release voltage 2.0 V to 3.4 V Accuracy ±100 mV

• Detection delay times are generated by an internal circuit (external capacitors are unnecessary) Accuracy ±20%

• Wide operating temperature range

  -40°C to +85°C

• Low current consumption

  Operation mode 3.0 μA typ., 5.5 μA max. (+25°C)

  Overdischarge mode 2.0 μA typ., 3.5 μA max. (+25°C)

• Lead-free, Sn 100%, halogen-free

Applications

• Lithium-ion rechargeable battery packs

• Lithium-polymer rechargeable battery packs

Battery Protection IC with Cell-Balance Function S-8209A Series

Description

The S-8209A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. This IC has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.9 V to 4.4 V (5 mV step) Accuracy ±25 mV

  Overcharge release voltage 3.8 V to 4.4 V Accuracy ±50 mV

  Cell-balance detection voltage 3.9 V to 4.4 V (5 mV step) Accuracy ±25 mV

  Cell-balance release voltage 3.8 V to 4.4 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.4 V Accuracy ±100 mV

• Settable delay time by external capacitor for output pin

• Control charging, discharging, cell-balance by CTLC, CTLD pins

• Two types of cell-balance function; charge/discharge

• Wide range of operation temperature

  −40°C to +85°C

• Low current consumption

  7.0 μA max.

• Lead-free product

Applications

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

Battery Protection IC with Cell-Balance Function S-8209B Series

Description

The S-8209B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. This IC has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell.

Features

• High-accuracy voltage detection circuit

  Overcharge detection voltage 3.9 V to 4.4 V (5 mV step) Accuracy ±25 mV

  Overcharge release voltage 3.8 V to 4.4 V Accuracy ±50 mV

  Cell-balance detection voltage 3.9 V to 4.4 V (5 mV step) Accuracy ±25 mV

  Cell-balance release voltage 3.8 V to 4.4 V Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) Accuracy ±50 mV

  Overdischarge detection voltage 2.0 V to 3.4 V Accuracy ±100 mV

• Settable delay time by external capacitor for output pin

• Control charging, discharging, cell-balance by CTLC, CTLD pins

• Two types of cell-balance function; charge/discharge

• Wide range of operation temperature

  −40°C to +85°C

• Low current consumption

  7.0 μA max.

• Lead-free product

Applications

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

Battery Monitoring IC S-8229 Series

Description

The S-8229 Series is a battery monitoring IC developed using CMOS technology. Compared with conventional CMOS voltage detectors, the S-8229 Series is ideal for the applications that require high-withstand voltage due to its maximum operation voltage as high as 24 V. The S-8229 Series is capable of confirming the voltage in stages since it detects three voltage values.

Features

• Detection voltage accuracy

  ±1.0%

• Hysteresis characteristics

  VHYS1 to VHYS3 = 0 mV, 50 mV, 300 mV, 400 mV, 500 mV

• Current consumption

  During operation: IDD1 = 9.0 μA max. (-VDETtotal≥42 V)
  IDD1 = 11.0 μA max. (-VDETtotalDuring power-off: IDD2 = 0.1 μA max.

• Operation voltage range

  VDD = 3.6 V to 24 V

• Detection voltage

  -VDET1(S) to -VDET3(S)= 10.5 V to 21.5 V (0.1 V step)

• Output form

  Nch open-drain output

• Output logic

  Full charge all on, full charge all off

• Operation temperature range

  Ta = -40°C to +85°C

• Lead-free (Sn 100%), halogen-free

Applications

• Rechargeable lithium-ion battery pack

Overcurrent Monitoring IC For Multi-Serial-Cell Pack S-8239A Series

Description

The S-8239A Series is an overcurrent monitoring IC for multi-serial-cell pack including high-accuracy voltage detection circuits and delay circuits.

The S-8239A Series is suitable for protection of lithium-ion / lithium polymer rechargeable battery packs from overcurrent.

Features

• Built-in high-accuracy voltage detection circuit
  Overcurrent 1 detection voltage,±15 mV,0.04 V to 0.30 V (10 mV step) Accuracy
  ±100 mV,Overcurrent 2 detection voltage : 0.2 V to 0.7 V (100 mV step) Accuracy
  Overcurrent 3 detection voltage : 1.2 V (Fixed) Accuracy ±300 mV

• Built-in two-step overcurrent detection circuit (Overcurrent 1, overcurrent 2, overcurrent 3)

• Overcurrent 3 detection function is selectable : Available, unavailable

• UVLO (under voltage lock out) function
  Accuracy ±100 mV,UVLO detection voltage2.0 V (Fixed)

• High-withstand voltage

  VM pin, DO pin: Absolute maximum rating 28 V

• Delay times are generated only by an internal circuit (External capacitors are unnecessary).

• Low current consumption
  During normal operation 7.0 μA max.
  During UVLO operation 6.0 μA max.

• Output logic Active “L”, Active “H”

•  Ta = -40°C to +85°C Wide operation temperature range

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Overcurrent Monitoring IC For Multi-Serial-Cell Pack S-8239B Series

Description

The S-8239B Series is an overcurrent monitoring IC for multi-serial-cell pack including high-accuracy voltage detection circuits and delay circuits.

The S-8239B Series is suitable for protection of lithium-ion / lithium polymer rechargeable battery packs from overcurr

Features

• Built-in high-accuracy voltage detection circuit

  Overcurrent 1 :detection voltage 0.04 V to 0.30 V (10 mV step),
  Accuracy ±15 mV

  Overcurrent 2 :detection voltage 0.1 V to 0.7 V (100 mV step),
  Accuracy ±100 mV

  Overcurrent 3 :detection voltage 1.2 V (Fixed),
  Accuracy ±300 mV

• Built-in three-step overcurrent detection circuit

  Overcurrent 1, overcurrent 2, overcurrent 3

• Overcurrent 3 detection function is selectable

  Available, unavailable

• UVLO (under voltage lock out) function

  UVLO detection voltage : 2.0 V (Fixed), Accuracy ±100 mV

• High-withstand voltage

  VM pin, DO pin: Absolute maximum rating 28 V

• Delay times are generated only by an internal circuit
  (External capacitors are unnecessary).

• Low current consumption

  During normal operation: 7.0 μA max.

  During power-down: 0.1 μA max.

• Output logic

  Active “L”

• Wide operation temperature range

  Ta = -40°C to +85°C

• Lead-free (Sn 100%), halogen-free

Applications

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Voltage Monitoring IC with Cell Balancing Function S-8249 Series

Description

The S-8249 Series is a voltage monitoring IC with a cell balancing function and includes a high-accuracy voltage detection circuit and a delay circuit.

The S-8249 Series is suitable for cell balancing and overcharge protection of batteries and capacitors.

Features

• High-accuracy voltage detection circuit

  Cell balancing detection voltage: 2.0 V to 4.6 V (5 mV step) 
  Accuracy ±12 mV (2.0 V≦Vbu＜2.4 V), Accuracy ±0.5% (2.4 V≦Vbu≦4.6 V)

  Cell balancing release voltage: 2.0 V to 4.6 V
  Accuracy ±24 mV (2.0 V≦Vbl＜2.4 V) , Accuracy ±1.0% (2.4 V≦Vbl≦4.6 V)

  Overcharge detection voltage: 2.0 V to 4.6 V (5 mV step) 
  Accuracy ±12 mV (2.0 V≦Vcu＜2.4 V) , Accuracy ±0.5% (2.4 V≦Vcu≦4.6 V)

  Overcharge release voltage: 2.0 V to 4.6 V
  Accuracy ±24 mV (2.0 V≦Vcl＜2.4 V) , Accuracy ±1.0% (2.4 V≦Vcl≦4.6 V)

• Built-in Nch transistor with ON resistance of 5 Ω typ. between the CB pin and the VSS pin

• Current consumption

  2.0 μA max. (Ta = +25°C)

• Delay times are generated only by an internal circuit (External capacitors are unnecessary).

• CO pin output form and output logic are selectable

  CMOS output Active “H”, active “L”

  Nch open-drain output Active “H”, active “L”

• Switchable to power-saving mode by using the CE pin

• Operation temperature range

  Ta = −40°C to +85°C

• Lead-free (Sn 100%), halogen-free

Applications

• Rechargeable battery module

• Capacitor module

Battery Protection IC with Alarm Function for 1-Cell Pack S-82U1A Series

Describe：

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. By using an external overcurrent detection resistor, This IC realizes high-accuracy overcurrent protection with less effect from temperature change. The alarm function enables the voltage detection immediately before the overcharge detection. 

Features：

• High-accuracy voltage detection circuit

 Overcharge detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Overcharge release voltage 3.100 V to 4.800 V*1 Accuracy ±50 mV

 Alarm detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Alarm hysteresis voltage 0 V, 0.010 V, 0.020 V Accuracy ±5 mV

 Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV

 Overdischarge release voltage 2.000 V to 3.400 V*2 Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage 3 mV to 100 mV (0.5 mV step) Accuracy ±1 mV

 Discharge overcurrent 2 detection voltage 10 mV to 100 mV (1 mV step) Accuracy ±2 mV

 Load short-circuiting detection voltage 20 mV to 100 mV (1 mV step) Accuracy ±4.5 mV

 Charge overcurrent detection voltage −100 mV to −3 mV (0.5 mV step) Accuracy ±1 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (VRIOV) = VDD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Alarm function

 AO pin output logic: Active "H", active "L"

 AO pin output form: CMOS output, Nch open-drain output

 Connection when AO pin = "L": VSS pin, VM pin

 Charge control function: Available, unavailable

• High-withstand voltage: VM pin, CO pin and AO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.5 μA typ., 5.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications：

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC with Alarm Function for 1-Cell Pack S-82L1A Series

Describe:

The S-82L1A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. The alarm function enables the voltage detection immediately before the overcharge detection. 

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage 4.200 V to 4.600 V (5 mV step) Accuracy ±12 mV

 Overcharge release voltage 4.000 V to 4.600 V*1 Accuracy ±50 mV

 Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV

 Overdischarge release voltage 2.000 V to 3.400 V*2 Accuracy ±100 mV

 Alarm status detection voltage 4.200 V to 4.600 V (5 mV step) Accuracy ±12 mV

 Discharge overcurrent detection voltage 0.003 V to 0.100 V (1 mV step) Accuracy ±3 mV

 Load short-circuiting detection voltage 0.010 V to 0.100 V (5 mV step) Accuracy ±7 mV

 Charge overcurrent detection voltage −0.100 V to −0.003 V (1 mV step) Accuracy ±3 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: VRIOV = VDD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Alarm function

 AO pin output logic: Active "L"

 AO pin output form: CMOS output, Nch open-drain output

 Connection when AO pin = "L": VSS pin, VM pin

• High-withstand voltage: VM pin, CO pin and AO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 800 nA typ., 1500 nA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 500 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free 

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack 

Battery Protection IC with Alarm Function for 1-Cell Pack S-82T1A Series

Describe:

      This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. By using an external overcurrent detection resistor, This IC realizes high-accuracy overcurrent protection with less effect from temperature change. The alarm function enables the voltage detection immediately before the overcharge detection.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Overcharge release voltage 3.100 V to 4.800 V*1 Accuracy ±50 mV

 Alarm detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Alarm hysteresis voltage 0 V, 0.010 V, 0.020 V Accuracy ±5 mV

 Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV

 Overdischarge release voltage 2.000 V to 3.400 V*2 Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage 3 mV to 100 mV (0.5 mV step) Accuracy ±1.5 mV

 Discharge overcurrent 2 detection voltage 10 mV to 100 mV (1 mV step) Accuracy ±3 mV

 Load short-circuiting detection voltage 20 mV to 100 mV (1 mV step) Accuracy ±5 mV

 Charge overcurrent detection voltage −100 mV to −3 mV (0.5 mV step) Accuracy ±1.5 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (VRIOV) = VDD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Alarm function

 AO pin output logic: Active "H", active "L"

 AO pin output form: CMOS output, Nch open-drain output

 Connection when AO pin = "L": VSS pin, VM pin

 Charge control function: Available, unavailable

• High-withstand voltage: VM pin, CO pin and AO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.5 μA typ., 5.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

 Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC with Alarm Function for 1-Cell Pack S-82V1A Series

Describe:

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. By using an external overcurrent detection resistor, This IC realizes high-accuracy overcurrent protection with less effect from temperature change. The alarm function enables the voltage detection immediately before the overcharge detection.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Overcharge release voltage 3.100 V to 4.800 V*1 Accuracy ±50 mV

 Alarm detection voltage 3.500 V to 4.800 V (5 mV step) Accuracy ±12 mV

 Alarm hysteresis voltage 0 V, 0.010 V, 0.020 V Accuracy ±5 mV

 Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV

 Overdischarge release voltage 2.000 V to 3.400 V*2 Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage 3 mV to 100 mV (0.25 mV step) Accuracy ±0.75 mV

 Discharge overcurrent 2 detection voltage 6 mV to 100 mV (0.5 mV step) Accuracy ±1.5 mV

 Load short-circuiting detection voltage 20 mV to 100 mV (1 mV step) Accuracy ±4 mV

 Charge overcurrent detection voltage −100 mV to −3 mV (0.25 mV step) Accuracy ±0.75 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (VRIOV) = VDD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Alarm function

 AO pin output logic: Active "H", active "L"

 AO pin output form: CMOS output, Nch open-drain output

 Connection when AO pin = "L": VSS pin, VM pin

 Charge control function: Available, unavailable

• High-withstand voltage: VM pin, CO pin and AO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.5 μA typ., 5.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications:

Lithium-ion rechargeable battery pack

Lithium polymer rechargeable battery pack

Battery Protection IC for 4-serial to 5-serial Cell Pack S-82C4A/5A Series

Describe:

This IC is a protection IC for lithium-ion rechargeable batteries, which includes temperature protection circuits, high-accuracy voltage detection circuits, and delay circuits. Temperature protection is possible by connecting an NTC thermistor to the dedicated connection pin. It is suitable for protecting 4-serial or 5-serial cell lithium-ion rechargeable battery packs from overcharge, overdischarge, and overcurrent. 

Features:

• High-accuracy voltage detection for each cell

Overcharge detection voltage n 3.900 V to 4.500 V (25 mV step) Accuracy ±20 mV

Overcharge release voltage n 3.500 V to 4.500 V*1 Accuracy ±50 mV

Overdischarge detection voltage n 2.000 V to 3.200 V (100 mV step) Accuracy ±50 mV

Overdischarge release voltage n 2.000 V to 3.400 V*2 Accuracy ±100 mV

• Three-level discharge overcurrent detection

Discharge overcurrent 1 detection voltage 10 mV to 200 mV (5 mV step) Accuracy ±5 mV

Discharge overcurrent 2 detection voltage 20 mV to 300 mV (5 mV step) Accuracy ±10 mV

Load short-circuiting detection voltage 50 mV to 400 mV (10 mV step) Accuracy ±20 mV

• Charge overcurrent detection

Charge overcurrent detection voltage −200 mV to −10 mV (5 mV step) Accuracy ±5 mV

• Discharge overcurrent 1 detection delay time is settable by an external capacitor (The other delay time are internally fixed)

• Power saving control by a control pin

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Release condition of discharge overcurrent status: Load disconnection, charger connection

• Output voltage of CO and DO pin is limited to VC2 pin voltage. (S-82C5A Series)

• Detecting temperature is possible with connecting an NTC thermistor at four different points of high-and-low temperatures during charging and of high-and-low temperatures during charge-discharge.

High temperature charge-discharge inhibition temperature +40°C to +85°C (1°C step) Accuracy ±3°C*3

High temperature charge inhibition temperature +40°C to +85°C (1°C step) Accuracy ±3°C*3

Low temperature charge inhibition temperature −40°C to +10°C (1°C step) Accuracy ±3°C*3

Low temperature charge-discharge inhibition temperature −40°C to +10°C (1°C step) Accuracy ±3°C*3

• High-withstand voltage: Absolute maximum rating 28.0 V

• Wide operating voltage range: 5.0 V to 24.0 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

During operation: 5.0 μA typ., 10 μA max. (Ta = +25°C)

During power-down: 0.1 μA max. (Ta = +25°C)

During power-saving: 0.1 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

Applications:

• Lithium-ion rechargeable battery packs 

Battery Protection IC with Power-saving Function for 1-Cell Pack S-82B1B Series

Describe:

The S-82B1B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

Features:

• High-accuracy voltage detection circuit

Overcharge detection voltage 3.500 V to 4.600 V (5 mV step)                       Accuracy +20 mV

Overcharge release voltage 3.100 V to 4.600 V^*1                                            Accuracy +50 mV

Overdischarge detection voltage 2.000 V to 3.000 V (10 mV step)                Accuracy +50 mV

Overdischarge release voltage 2.000 V to 3.400 V^*2                                       Accuracy +100 mV

Discharge overcurrent detection voltage 1 0.010 V to 0.100 V (1 mV step)   Accuracy +3 mV

Discharge overcurrent detection voltage 2 0.030 V to 0.200 V (1 mV step)   Accuracy +5 mV

Load short-circuiting detection voltage 0.050 V to 0.500 V (5 mV step)        Accuracy +20 mV

Charge overcurrent detection voltage -0.100 V to -0.010 V (1 mV step)       Accuracy +3 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Power-saving function

PS pin control logic is selectable: Active "H", active "L"

PS pin internal resistance connection is selectable: Pull-up, pull-down

PS pin internal resistance value is selectable: 1.0 MΩ, 2.0 MΩ, 3.0 MΩ, 4.0 MΩ, 5.0 MΩ

• 0 V battery charge function is selectable: Available, unavailable

• Power-down function

• Release condition of discharge overcurrent status is selectable: Load disconnection, charger connection

• Release voltage of discharge overcurrent status is selectable:

 Discharge overcurrent detection voltage 1 (V_DIOV1),

 Discharge overcurrent release voltage (V_RIOV) = V_DD×0.8 (typ.)

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = -40°C to +85°C

• Low current consumption

During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

During power-down: 50 nA max. (Ta = +25°C)

During power-saving: 50 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage - Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 2-Serial-Cell Pack S-82A2A/B/C Series

Describe:

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 2-serial-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.

Use of an external overcurrent detection resistor enables this IC to provide high-accuracy overcurrent protection with less impact from temperature changes.

The S-82A2A/C Series has an input pin for charge-discharge control signal (CTL pin), allowing for charge-discharge control with an external signal. The S-82A2B Series has an input pin for power-saving signal (PS pin), allowing for reduction of current consumption by using an external signal to start the power-saving function.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage n                        3.500 V to 4.800 V (5 mV step)               Accuracy ±15 mV

 Overcharge release voltage n                            3.100 V to 4.800 V^*1                                Accuracy ±50 mV

 Overdischarge detection voltage n                   2.000 V to 3.000 V (10 mV step)              Accuracy ±50 mV

 Overdischarge release voltage n                       2.000 V to 3.400 V^*2                                 Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage       3 mV to 100 mV (0.5 mV step)                 Accuracy ±1.0 mV

 Discharge overcurrent 2 detection voltage       10 mV to 100 mV (1 mV step)                  Accuracy ±3 mV

 Load short-circuiting detection voltage           20 mV to 100 mV (1 mV step)                   Accuracy ±5 mV

 Charge overcurrent detection voltage             −100 mV to −3 mV (0.5 mV step)              Accuracy ±1.0 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Charge-discharge control function (S-82A2A/C Series)

 CTL pin control logic: Active "H", active "L"

 CTL pin internal resistance connection: Pull-up, pull-down

 CTL pin internal resistance value: 1 MΩ to 10 MΩ (1 MΩ step)

• Power-saving function (S-82A2B Series)

 PS pin control logic: Active "H", active "L"

 PS pin internal resistance value: 1 MΩ to 10 MΩ (1 MΩ step)

• 0 V battery charge: Enabled, inhibited

• Power-down function: S-82A2A/C Series: Available, unavailable

 S-82A2B Series: Available

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 3.0 μA typ., 6.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 1.0 μA max. (Ta = +25°C)

 During power-saving (S-82A2B Series): 50 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Remark n = 1, 2

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack 

Battery Protection IC for 2-serial-cell PacK S-82C2B/C Series

Describes:

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 2-serial-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. 

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage n                          3.500 V to 4.800 V (5 mV step)           Accuracy ±20 mV

 Overcharge release voltage n                              3.100 V to 4.800 V^*1                           Accuracy ±50 mV

 Overdischarge detection voltage n                      2.000 V to 3.000 V (10 mV step)        Accuracy ±50 mV

 Overdischarge release voltage n                          2.000 V to 3.400 V^*2                          Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage          3 mV to 400 mV (1 mV step)             Accuracy ±3.0 mV

 Discharge overcurrent 2 detection voltage          10 mV to 400 mV (1 mV step)           Accuracy ±5 mV

 Load short-circuiting detection voltage               20 mV to 800 mV (5 mV step)           Accuracy ±10 mV

 Charge overcurrent detection voltage                 −400 mV to −3 mV (1 mV step)         Accuracy ±3.0 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Charge-discharge control function (S-82C2B Series)

 CTL pin control logic: Active "H", active "L"

 CTL pin internal resistance connection: Pull-up, pull-down

 CTL pin internal resistance value: 1 MΩ to 10 MΩ (1 MΩ step)

• Power-saving function (S-82C2C Series)

 PS pin control logic: Active "H", active "L"

 PS pin internal resistance value: 1 MΩ to 10 MΩ (1 MΩ step)

• 0 V battery charge: Enabled, inhibited

• Power-down function: 

  S-82C2B Series: Available, unavailable

  S-82C2C Series: Available

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 3.0 μA typ., 6.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 1.0 μA max. (Ta = +25°C)

 During power-saving (S-82C2C Series): 50 nA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Remark n = 1, 2

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1-Cell Pack S-82P1B Series

Describes:

The S-82P1B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. By using an external overcurrent detection resistor, the S-82P1B Series realizes high-accuracy overcurrent protection with less effect from temperature change. 

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage                       3.500 V to 4.800 V (5 mV step)             Accuracy ±15 mV

 Overcharge release voltage                           3.100 V to 4.800 V^*1                             Accuracy ±50 mV

 Overdischarge detection voltage                   2.000 V to 3.000 V (10 mV step)           Accuracy ±50 mV

 Overdischarge release voltage                       2.000 V to 3.400 V^*2                             Accuracy ±75 mV

 Discharge overcurrent detection voltage 1   3 mV to 100 mV (0.25 mV step)            Accuracy ±0.75 mV

 Discharge overcurrent detection voltage 2   6 mV to 100 mV (0.5 mV step)              Accuracy ±2 mV

 Load short-circuiting detection voltage        20 mV to 100 mV (1 mV step)               Accuracy ±5 mV

 Charge overcurrent detection voltage          −100 mV to −3 mV (0.25 mV step)        Accuracy ±0.75 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (V_RIOV) = V_DD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Describes:

This IC is used for secondary protection of lithium-ion rechargeable batteries, and incorporates high-accuracy voltage detection circuits and delay circuits.Short-circuiting between the VC1 and VC2 pins makes it possible to serially connect three cells. Since this IC also comes with a constant voltage output circuit, it can be used as a constant-voltage power supply for an external RTC (Real-Time clock IC).

Features:

• High-accuracy voltage detection circuit for each cell

Overcharge detection voltage n                      3.600 V to 4.800 V (5 mV step)          Accuracy ±15 mV (Ta = +25°C)

                                                                                                                                    Accuracy ±25 mV (Ta = −10°C to +60°C)

Overcharge release voltage n^*1                      3.600 V to 4.800 V                              Accuracy ±50 mV

VRTC pin shutdown voltage n                         2.500 V to 2.800 V (100 mV step)      Accuracy ±50 mV

• Delay times for overcharge detection are generated only by an internal circuit (external capacitors are unnecessary)

Overcharge detection delay time, VRTC pin shutdown delay time: 1 s, 2 s, 4 s, 6 s

• Overcharge timer reset function: Available, unavailable

• CO pin output voltage is limited to 7.5 V max.

• VRTC pin output voltage: 1.800 V to 3.300 V (100 mV step) Accuracy ±2% (Ta = +25°C)

• VRTC pin output current: 2 mA max.

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

During operation (VCU − 1.0 V for each cell): 4.0 μA max.

During VRTC pin shutdown (VRSD − 1.0 V for each cell): 1.0 μA max.

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

(Overcharge hysteresis voltage can be selected from a range of 0 mV to 400 mV in 50 mV step.)

Remark 1. The order of battery connection of this IC is limited. Customers who desire a product that does not limit the

order of battery connection should consider the S-82K3/K4 Series of products instead.

2. n = 1, 2, 3, 4

Application:

• Lithium-ion rechargeable battery packs (for secondary protection) 

Battery Protection IC for 3-serial or 4-serial Cell Pack with Constant Voltage Output Pin for Real-time Clock Enabling Any Order of Battery Connection (Secondary Protection) S-82K3/K4 Series

Describes:

This IC is used for secondary protection of lithium-ion rechargeable batteries, and incorporates high-accuracy voltage detection circuits and delay circuits. The S-82K3 Series enable connection of 3-serial cell, and the S-82K4 Series enable connection of 4-serial cell. This IC provides a wake-up function to prevent the fuse from blowing during battery connection, and allows the lithium battery to be connected in any order. Since this IC also comes with a constant voltage output circuit, it can be used as a constant-voltage power supply for an external RTC (Real-Time clock IC).

Features:

• High-accuracy voltage detection circuit for each cell

Overcharge detection voltage n                            3.600 V to 4.800 V (5 mV step)             Accuracy ±15 mV (Ta = +25°C)

                                                                                                                                             Accuracy ±20 mV (Ta = −10°C to +60°C)

Overcharge release voltage n^*1                           3.600 V to 4.800 V                                   Accuracy ±50 mV

VRTC pin shutdown voltage n                              2.500 V to 2.800 V (100 mV step)           Accuracy ±50 mV

• The wake-up function monitoring battery connection prevents CO pin output errors during battery connection

• Delay times for overcharge detection are generated only by an internal circuit (external capacitors are unnecessary)

Overcharge detection delay time, VRTC pin shutdown delay time: 1s, 2s, 4s, 6s

• Overcharge timer reset function: Available, unavailable

• CO pin output voltage is limited to 7.5 V max.

• VRTC pin output voltage: 1.800 V to 3.300 V (100 mV step) Accuracy ±2% (Ta = +25°C)

• VRTC pin output current: 2 mA max.

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

During operation (VCU − 1.0 V for each cell): 4.0 μA max.

During VRTC pin shutdown (VRSD − 1.0 V for each cell): 1.0 μA max.

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

(Overcharge hysteresis voltage can be selected from a range of 0 mV to 400 mV in 50 mV step.)

Remark n = 1, 2, 3, 4

Application:

• Lithium-ion rechargeable battery packs (for secondary protection)

Battery Protection IC for 1-Cell Pack S-82Y1B Series

Describes:

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent. Use of an external overcurrent detection resistor enables this IC to provide high-accuracy overcurrent protection with less impact from temperature changes.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage                           3.500 V to 4.800 V (5 mV step)          Accuracy ±15 mV

 Overcharge release voltage                               3.100 V to 4.800 V_*1                         Accuracy ±50 mV

 Overdischarge detection voltage                      2.000 V to 3.000 V (10 mV step)        Accuracy ±50 mV

 Overdischarge release voltage                          2.000 V to 3.400 V_*2                          Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage       3 mV to 50 mV (0.25 mV step)          Accuracy ±0.5 mV

 Discharge overcurrent 2 detection voltage       6 mV to 100 mV (0.5 mV step)          Accuracy ±1.5 mV

 Load short-circuiting detection voltage            15 mV to 100 mV (1 mV step)            Accuracy ±3.0 mV

 Charge overcurrent detection voltage               −50 mV to −3 mV (0.25 mV step)      Accuracy ±0.5 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (V_RIOV) = V_DD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack

Battery Protection IC for 1-Cell Pack S-82K1B Series

Describes:

The S-82K1B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy

voltage detection circuits and delay circuits. It is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable

battery packs from overcharge, overdischarge, and overcurrent.

By using an external overcurrent detection resistor, the S-82K1B Series realizes high-accuracy overcurrent protection with

less effect from temperature change.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage                             3.500 V to 4.600 V (5 mV step)            Accuracy ±15 mV

 Overcharge release voltage                                 3.100 V to 4.600 V^*1                            Accuracy ±50 mV

 Overdischarge detection voltage                         2.000 V to 3.000 V (10 mV step)          Accuracy ±50 mV

 Overdischarge release voltage                             2.000 V to 3.400 V^*2                            Accuracy ±75 mV

 Discharge overcurrent detection voltage 1          0.003 V to 0.100 V (0.5 mV step)         Accuracy ±1.0 mV

 Discharge overcurrent detection voltage 2          0.010 V to 0.100 V (1 mV step)            Accuracy ±3 mV

 Load short-circuiting detection voltage                0.020 V to 0.100 V (1 mV step)            Accuracy ±5 mV

 Charge overcurrent detection voltage                  −0.100 V to −0.003 V (0.5 mV step)    Accuracy ±1.0 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• Discharge overcurrent control function

 Release condition of discharge overcurrent status: Load disconnection

 Release voltage of discharge overcurrent status: V_RIOV = V_DD × 0.8 (typ.)

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 2.0 μA typ., 4.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 0.5 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack 

Battery Protection IC for 2-serial-cell PacK S-82C2A Series

Describes:

This IC is a protection IC for lithium-ion / lithium polymer rechargeable batteries, which includes high-accuracy voltage

detection circuits and delay circuits. It is suitable for protecting 2-serial-cell lithium-ion / lithium polymer rechargeable battery

packs from overcharge, overdischarge, and overcurrent.

Features:

• High-accuracy voltage detection circuit

 Overcharge detection voltage n 3.500 V to 4.800 V (5 mV step) Accuracy ±20 mV

 Overcharge release voltage n 3.100 V to 4.800 V*1 Accuracy ±50 mV

 Overdischarge detection voltage n 2.000 V to 3.000 V (10 mV step) Accuracy ±50 mV

 Overdischarge release voltage n 2.000 V to 3.400 V*2 Accuracy ±75 mV

 Discharge overcurrent 1 detection voltage 3 mV to 400 mV (1 mV step) Accuracy ±3 mV

 Discharge overcurrent 2 detection voltage 10 mV to 400 mV (1 mV step) Accuracy ±5 mV

 Load short-circuiting detection voltage 20 mV to 800 mV (5 mV step) Accuracy ±10 mV

 Charge overcurrent detection voltage −400 mV to −3 mV (1 mV step) Accuracy ±3 mV

• Detection delay times are generated only by an internal circuit (external capacitors are unnecessary).

• 0 V battery charge: Enabled, inhibited

• Power-down function: Available, unavailable

• Release condition of discharge overcurrent status: Load disconnection, charger connection

• Release voltage of discharge overcurrent status: Discharge overcurrent release voltage (VRIOV),

 discharge overcurrent 1 detection voltage (VDIOV1)

• High-withstand voltage: VM pin and CO pin: Absolute maximum rating 28 V

• Wide operation temperature range: Ta = −40°C to +85°C

• Low current consumption

 During operation: 3.0 μA typ., 6.0 μA max. (Ta = +25°C)

 During power-down: 50 nA max. (Ta = +25°C)

 During overdischarge: 2.0 μA max. (Ta = +25°C)

• Lead-free (Sn 100%), halogen-free

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

 (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.)

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

 (Overdischarge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 100 mV step.)

Remark n = 1, 2

Applications:

• Lithium-ion rechargeable battery pack

• Lithium polymer rechargeable battery pack