S-8242B Datasheet, PDF (15/30 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK

Rev.1.4_00
BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK
S-8242B Series
2. Overcurrent Detection
Battery
voltage
VCUn
VCLn
VDUn
VDLn
(n= 1, 2)
VDD
DO pin
voltage
VSS
VDD
CO pin
voltage
VSS
VDD
VM pin
voltage
Charger
connection
VIOV2
VIOV1
VSS
Overcurrent detection
delay time 1 (tIOV1)
Overcurrent detection
delay time 2 (tIOV2)
Mode^*1
(1)
(2)
(1)
*1. (1) : Normal mode
(2) : Overcurrent mode
(2)
(1)
Remark The charger is assumed to charge with a constant current.
Figure 11
Seiko Instruments Inc.
15