S-8204B

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.  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 detection voltage 1 0.05 V to 0.30 V (50 mV step) Accuracy ±15 mV Discharge overcurrent detection voltage 2 0.5 V (fixed) Accuracy ±100 mV Load short-circuit de...