BATTERY PROTECTION IC
S-8211E Series
www.sii-ic.com © Seiko Instruments Inc., 2009-2015
BATTERY PROTECTION IC FOR 1-CELL PACK
Rev.2.4_00
Th...
Description
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...
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