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S-8204B - BATTERY PROTECTION IC

Description

Connection pin of charge control FET gate (Pch open-drain output) Voltage detection pin between VDD pin and VMP pin Connection pin of discharge control FET gate (CMOS output) Voltage detection pin between VSS pin and VINI pin, discharge overcurrent 1 / 2 detection pin, load short-circuit detection p

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.

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Full PDF Text Transcription

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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.
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