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S-8204B Datasheet Battery Protection Ic

Manufacturer: Seiko Instruments

Overview: S-8204B Series www.sii-ic.com © Seiko Instruments Inc., 2008-2015 BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK Rev.3.7_00 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*1 lithium-ion rechargeable battery pack. *1. Refer to the application note for connection examples of protection circuit for 6-series or more cells. In case of protecting 5-series cell lithium-ion rechargeable battery pack, contact our sales office.

Key Features

  • High-accuracy voltage detection function for each cell Overcharge detection voltage n (n = 1 to 4) Overcharge release voltage n (n = 1 to 4) 3.65 V to 4.6 V (50 mV step) 3.5 V to 4.6 V.
  • 1 Accuracy ±25 mV Accuracy ±50 mV Overdischarge detection voltage n (n = 1 to 4) Overdischarge release voltage n (n = 1 to 4) 2.0 V to 3.0 V (100 mV step) 2.0 V to 3.4 V.
  • 2 Accuracy ±80 mV Accuracy ±100 mV.
  • Discharge overcurrent detection in 3-step Discharge overcurrent detectio.

S-8204B Distributor