4 / 5-cell battery protection IC

S-82B4/5 Series S-82C4/5 Series

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Temperature protection ensures safety of battery-powered devices

  • Charge-discharge operations are performed within an appropriate temperature range
    to enable the configuration of safer protection circuits.
  • Its low current consumption of 0.1μA max. during power saving
    helps reduce standby current during warehousing and long-term storage.
  • Few external parts and a small package
    shrink the size of the protection circuit board.

Small, 4 / 5-cell battery protection IC with temperature protection function

S-82B4/5 Series, S-82C4/5 Series

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Improves safety through a temperature protection function
and shrinks protection circuit board size! 4 / 5-cell battery protection IC

Charge-discharge operation within appropriate temperature range

Charge-discharge operation within appropriate temperature range

The S-82C4/C5 Series provides a temperature protection function and the connection of a single NTC enables 2-temperature (high and low temperature) monitoring during charging and discharging.

4-temperature monitoring enabled

  • High temperature charge-discharge inhibition temperature
  • High temperature charge inhibition temperature
  • Low temperature charge inhibition temperature
  • Low temperature charge-discharge inhibition temperature

The intermittent operation of the temperature detection circuit permits low current consumption even when using a 10kΩ NTC.

Contributing to lowering standby current during warehousing and long-term storage

Contributing to lowering standby current during warehousing and long-term storage

The S-82B4/5 and 82C4/5 Series activate their power-saving functions through input of an external signal to the PSI pin to lower current consumption to 0.1µA max. (low current consumption mode).

Engage this mode prior to shipment to prevent loss of battery pack capacity from standby current during warehousing.

This also helps lowering standby current during long-term storage of devices.

Shrinking size of protection circuit boards

Shrinking size of protection circuit boards

The S-82B4/5 and 82C4/5 Series have been tailored to the protection of 4-cell and 5-cell battery packs and have 25 to 40% fewer external parts than our previous products.

Use of a 16-pin TSSOP (6.4 × 5.1 × t1.1 (max.) mm), the industry’s smallest class of package*, has reduced the size of the protection circuit board.

As a 4 / 5-cell battery protection IC.
Based on our research as of July 2022

Application

 

Battery Protection ICs Lineup

Specifications

Product name S-82B4A S-82B5A S-82C4A S-82C5A
  For general-use
Number of cells 4-cell 5-cell 4-cell 5-cell
Function Power saving Temperature protection,
Power saving
Overcharge detection voltage (Accuracy) 3.90V to 4.50V (±20mV)
Overdischarge detection voltage (Accuracy) 2.00V to 3.20V (±50mV)
Discharge overcurrent 1 detection voltage (Accuracy) 0.010V to 0.200V (±5mV)
Discharge overcurrent 2 detection voltage (Accuracy) 0.020V to 0.300V (±10mV)
Current comsuption during operation 4.0μA typ., 8.0μA max.
(Ta = +25°C)
5.0μA typ., 10.0μA max.
(Ta = +25°C)
Current comsuption during power-down 0.1μA max. (Ta = +25°C)
Current comsuption during power-saving 0.1μA max. (Ta = +25°C)
Packages 16-Pin TSSOP
Operation temperature range Ta= -40°C to +85°C
Datasheet

Datasheet

Datasheet

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S-82B4/5 Series

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S-82C4/5 Series

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