S-8233C_1 Datasheet, PDF (17/27 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK

Rev.4.1_00
2. Over discharge detection
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233C Series
V_CU
Battery ^VCD
voltage ^VDU
V_DD
V_{C C}
CSO
terminal
V_SS
V_CC
DSO
terminal
V_{S S}
V_CC
ISO
terminal
VS S
V_{C C}
DOP
terminal
VSS
COP
terminal
V_{S S}
VMP
V_CHA
V_CC
terminal V_IOV1
V_SS
Charger
connected
Load
connected
Mode*1
V1 battery
Delay
Delay
V2 battery
V3 battery
Hi-z
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 7
Seiko Instruments Inc.
17