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Wednesday - July 13, 2022

New S-82B4/B5 & S-82C4/C5 Series Battery Protection ICs From Ablic

ABLIC, a group company of MinebeaMitsumi Inc. today launched the S-82B4/B5 Series and the S-82C4/C5 Series of 4-/5-serial cell battery protection ICs with a temperature protection function(*1), the smallest number of external components in the industry(*2) and the industry’s smallest class of packages(*3).

The new series of battery protection ICs launched today provide the following features:

  • Temperature protection in addition to regular overcharge, overdischarge and overcurrent protection to enable the configuration of safer protection circuits (S-82C4/C5 Series)
  • Power saving function that prevents loss of battery pack capacity from standby current during warehousing (all series)
  • Few external parts and industry’s smallest class of packages reduce protection circuit board size (all series).

(*1) S-82C4/C5 Series  (*2) Based on our research as of July 2022  (*3) For 4-cell/5-cell ICs. Based on our research as of July 2022

Example of protection circuits using the S-82B5 Series
Example of protection circuits using the S-82C5 Series


  • Temperature protection function enables 4-point temperature monitoring (S-82C4/C5 Series)
  • Power-saving function prevents loss of capacity from standby current
  • Few external parts and the industry’s smallest class of packages have reduced the size of the protection circuit board!


  • Lithium-ion rechargeable battery packs
  • lithium polymer rechargeable battery packs

For original press release visit the MinebeaMitsumi website.

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