BATTERY PROTECTION IC
S-8232 Series
www.sii-ic.com © Seiko Instruments Inc., 1999-2015
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
Rev.6.2_...
Description
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...
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