S-8233C_1 Datasheet, PDF (16/27 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK

BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
Rev.4.1_00
Operation Timing Charts
1. Over charge detection
V_CU
Battery VCD
voltage _VDU
V_DD
VC C
CSO
terminal
VS S
VCC
DSO
terminal
V_{S S}
V_CC
ISO
terminal
V_{S S}
V_CC
DOP
terminal
V_SS
COP
terminal
V_{S S}
VMP
terminal
V_CHA
VCC
V_{I OV 1}
V_{S S}
Charger
connected
Load
connected
Mode^{* 1}
V1 battery
V2 battery
V3 battery
Hi-z
Hi-z
Hi-z
Hi-z
Delay
Delay
Delay
Delay
Delay
&
*1. Normal mode, Over charge mode, Over discharge mode, Over current mode
Remark The charger is assumed to charge with a constant current. V_CHA indicates the open voltage of the charger.
Figure 6
16
Seiko Instruments Inc.