S-8250AAB-I6T1U Datasheet, PDF (22/36 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC

BATTERY PROTECTION IC WITH DISCHARGE CONTROL FUNCTION FOR 1-CELL PACK
S-8250A Series
3. Charge overcurrent detection
VCU
VCL (VCU − VHC)
Battery voltage
VDU (VDL + VHD)
VDL
Rev.1.3_02
VDD
DO pin voltage
VSS
VDD
CO pin voltage
VSS
VEB_−
VDD
VM pin voltage
VC^VIOSSV
VEB_−
Charger connection
Load connection
Status^*1
Charge overcurrent detection
delay time (tCIOV)
(1)
(2)
Overdischarge detection
delay time (tDL)
Charge overcurrent detection
delay time (tCIOV)
(1)
(3)
(1)
(2)
*1. (1): Normal status
(2): Charge overcurrent status
(3): Overdischarge status
Remark The charger is assumed to charge with a constant current.
Figure 13
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