s-8204a Seiko Instruments Inc., s-8204a Datasheet - Page 20

• Manufacturer Part Number: s-8204a
• Description: Battery Protection Ic For 3-series Or 4-series Cell Pack
• Manufacturer: Seiko Instruments Inc.

20
BATTERY PROTECTION IC FOR 3-SERIES OR 4-SERIES CELL PACK
S-8204A Series
3. Charge Overcurrent Detection
*1. < 1 > : Normal status
Remark The charger is assumed to charge with a constant current. V
VINI pin voltage
Battery voltage
DOP pin voltage
COP pin voltage
VMP pin voltage
Charger connection
Status
< 2 > : Charge overcurrent status
< 3 > : Overdischarge status
*1
the charger.
(n = 1 to 4)
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DIOV1
CIOV
SS
EB+
EB+
DD
SS
CUn
CLn
DUn
DLn
DD
SS
SS
DD
<3>
Charge overcurrent detection
delay time (t
V
HD
<1>
V
HC
CIOV
Seiko Instruments Inc.
)
High-Z
<2>
Figure 11
Charge overcurrent detection
<1>
delay time (t
EB+
indicates the open voltage of
CIOV
)
High-Z
<2>
Rev.1.3
<1>
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