S-8211E

S-8211E Series www.sii-ic.com © Seiko Instruments Inc., 2009-2015 BATTERY PROTECTION IC FOR 1-CELL PACK Rev.2.4_00 The S-8211E Series has high-accuracy voltage detections circuit and delay circuits. The S-8211E Series is suitable for monitoring overcharge and overdischarge of 1-cell lithium ion / lithium polymer rechargeable battery pack.  Features (1) High-accuracy voltage detection circuit Overcharge detection voltage 3.6 V to 4.5 V (5 mV step) Accuracy ±25 mV (+25°C) Overcharge release voltage 3.5 V to 4.4 V*1 Accuracy ±30 mV (−5°C to +55°C) Accuracy ±50 mV Overdischarge detection voltage Overdischarge release voltage 2.0 V to 3.0 V (10 mV step) 2.0 V to 3.4 V*2 Accuracy ±50 mV Accuracy ±100 mV (2) Detection delay times are generated by an internal circuit (external capacitors are unnecessary) Accuracy ±20% (3) Wide operating temperature range −40°C to +85°C (4) Low current consumption During operation 3.0 μA typ., 5.5 μA max. (+25°C) During overdischarge 2.0 μA typ., 3.5 μA max. (+25°C) (5) Output logic of CO pin is selectable. (6) Lead-free, Sn 100%, halogen-free*3 Active “H”, Active “L” *1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.4 V in 50 mV step.) *2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage (Overdischarge hysteresis voltage can be selected...