S-8232

S-8232 Series www.sii-ic.com © Seiko Instruments Inc., 1999-2015 BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Rev.6.2_00 The S-8232 series is a lithium-ion / lithium-polymer rechargeable battery protection IC incorporating highaccuracy voltage detection circuit and delay circuit. The S-8232 series is suitable for 2-cell serial lithium-ion / lithium-polymer battery packs.  Features (1) Internal high-accuracy voltage detection circuit Overcharge detection voltage 3.85 V ± 25 mV to 4.60 V ± 25 mV Applicable in 5 mV step Overcharge release voltage 3.60 V ± 50 mV to 4.60 V ± 50 mV Applicable in 5 mV step (The overcharge release voltage can be selected within the range where a difference from overcharge detection voltage is 0 V to 0.3 V.) Overdischarge detection voltage 1.70 V ± 80 mV to 2.60 V ± 80 mV Applicable in 50 mV step Overdischarge release voltage 1.70 V ± 100 mV to 3.80 V ± 100 mV Applicable in 50 mV step (The overdischarge release voltage can be selected within the range where a difference from overdischarge detection voltage is 0 V to 1.2 V.) Overcurrent detection voltage 1 0.07 V ± 20 mV to 0.30 V ± 20 mV Applicable in 5 mV step (2) High input-voltage device : Absolute maximum ratings 18 V. (3) Wide operating voltage range : 2.0 V to 16 V (4) The delay time for every detection can be set via an external capacitor. (Each delay time for Overcharge detection, Overdischarge detection, Overcurrent detection are “Proportion of hundred to ten to...