BATTERY PROTECTION IC FOR 1-CELL PACK
S-8211C Series
Rev.5.0_00
(3) Charge Overcurrent Detection
VCU
VCL (VCU − VHC)
Battery voltage
VDU(VDL + VHD)
VDL
VDD
DO pin voltage
VSS
VDD
CO pin voltage
VSS
VEB−
VDD
VM pin voltage
VSS
VCIOV
VEB−
Charger connection
Load connection
Overdischarge detection
Charge overcurrent detection
delay time (tCIOV
Charge overcurrent detection
)
delay time (tCIOV
)
(2)
(2)
(1)
(1)
(3)
(1)
Mode*1
*1. (1) : Normal mode
(2) : Charge overcurrent mode
(3) : Overdischarge mode
Remark The charger is assumed to charge with a constant current.
Figure 13
Seiko Instruments Inc.
25
SII [ SEIKO INSTRUMENTS INC ]
