s-8233bcft-tb-g Seiko Instruments Inc., s-8233bcft-tb-g Datasheet - Page 16

• Manufacturer Part Number: s-8233bcft-tb-g
• Description: Battery Protection Ic For 3-serial-cell Pack
• Manufacturer: Seiko Instruments Inc.

16
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Timing Charts
1. Over charge detection
2. Over discharge detection
*1.
Remark The charger is assumed to charge with a constant current. V
DOP
terminal
VMP
terminal
*1.
Remark The charger is assumed to charge with a constant current. V
DOP
terminal
COP
terminal
Battery
voltage
COP
terminal
VMP
terminal
Battery
voltage
<1>
<1>
Normal mode,
Normal mode,
Charger
connected
Load
connected
Mode
Charger
connected
Load
connected
Mode
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
CHA
CC
IOV1
SS
CC
SS
SS
CU
CD
DU
DD
SS
CHA
CC
IOV1
SS
CU
CD
DU
DD
CC
SS
*1
*1
<1>
<2>
<1>
<2>
Delay
Over charge mode,
Over charge mode,
Delay
V1 battery
<3>
High-Z
<2>
V1 battery
<1>
<3>
Delay
<3>
Over discharge mode,
Over discharge mode,
Seiko Instruments Inc.
<1>
<3>
Figure 6
Delay
Figure 7
<1>
High-Z
<2>
CHA
CHA
Delay
<4>
indicates the open voltage of the charger.
V2 battery
indicates the open voltage of the charger.
V2 battery
Over current mode
<4>
Over current mode
<3>
<1>
Delay
Delay
<1>
High-Z
High-Z
<2>
<1>
V3 battery
<1>
Delay
Delay
V3 battery
<3>
<3>
Delay
Rev.4.3
<2>
High-Z
&
<1>
<3> <3>
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