S-8200A

S-8200A Series www.sii-ic.com © Seiko Instruments Inc., 2010-2014 BATTERY PROTECTION IC FOR 1-CELL PACK Rev.4.0_00 The S-8200A Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes high-accuracy voltage detection circuits and delay circuits. The S-8200A Series is suitable for protecting 1-cell lithium-ion / lithium polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent.  Features High-accuracy voltage detection circuit Overcharge detection voltage 3.5 V to 4.5 V (5 mV step) Accuracy ±20 mV (Ta = +25°C) Overcharge release voltage 3.1 V to 4.5 V*1 Accuracy ±25 mV (Ta = −10°C to +60°C) Accuracy ±30 mV Overdischarge detection voltage Overdischarge release voltage 2.0 V to 3.4 V (10 mV step) 2.0 V to 3.4 V*2 Accuracy ±35 mV Accuracy ±50 mV Discharge overcurrent detection voltage 0.05 V to 0.20 V (10 mV step) Accuracy ±10 mV Charge overcurrent detection voltage −0.20 V to −0.05 V (25 mV step) Accuracy ±15 mV Detection delay times are generated only by an internal circuit (external capacitors are unnecessary). Accuracy ±20% High-withstand voltage device is used for charger connection pins (VM pin and CO pin: Absolute maximum rating = 28 V) 0 V battery charge function "available" / "unavailable" is selectable. Power-down function "available" / "unavailable" is selectable. Wide operation temperature range Ta = −40°C to +85°C Low current consumption During operation 2.8 μA ...