S-8233BBFT-TB-G データシートの表示（PDF） - Seiko Instruments Inc
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S-8233BBFT-TB-G Datasheet PDF : 26 Pages
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BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Timing Charts
1. Over charge detection
VCU
Battery
volta ge
VCD
VDU
VDD
VCC
DOP
terminal
VSS
V1 battery
V2 battery
V3 battery
COP
terminal
VMP
terminal
VSS
V CHA
VCC
V IOV1
VSS
C harg er
conne cted
Load
connected
Mode*1
Hi -z
Delay
c
d
Hi-z
Hi-z
Delay
c
d
De lay
c
Delay
c
*1. cNormal mode, dOver charge mode, eOver discharge mode, fOver current mode
Remark The charger is assumed to charge with a constant current. VCHA indicates the open voltage of the charger.
Figure 6
2. Over discharge detection
Rev.4.2_00
Hi-z
Delay
e d&e e
VCU
Battery VCD
voltage VDU
VDD
VCC
DOP
termina l
VSS
V1 battery
V2 battery
V3 battery
CO P
terminal
Hi-z
VSS
VMP
terminal
VCHA
VCC
VIOV1
VSS
Charger
connected
Load
connected
De lay
Delay
Delay
De lay
Delay
Mode*1
c
e
c
e
c
e
c dc
e
c
*1. cNormal mode, dOver charge mode, eOver discharge mode, fOver current mode
Remark The charger is assumed to charge with a constant current. VCHA indicates the open voltage of the charger.
Figure 7
16
Seiko Instruments Inc.
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