S-8233B Seiko Instruments, S-8233B Datasheet - Page 10

• Manufacturer Part Number: S-8233B
• Description: Battery Protection IC for 3-Serial Cell Pack
• Manufacturer: Seiko Instruments

10
BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK
S-8233B Series
Caution At the Measurement circuit from 1 to 10.
V1
V3
V2
V1
V2
V3
I5
If the device’s CTL logic is “normal”(S-8233BA, S-8233BC) then set the CTL voltage at
V
If the device’s CTL logic is “reverse” (S-8233BB, S-8233BD) then set the CTL voltage at
V
I1
I2
I3
SS
CC
Measurement circuit 1
Measurement circuit 3
(V4=0 V).
V5
(V4=V1+V2+V3).
CD3
VCC
CD1
VC1
CD2
VC2
VSS
VCC
CD1
VC1
CD2
VC2
CD3
VSS
DOP
DOP
S-8233B
S-8233B
COP
COP
1MΩ
COVT
S1
COVT
VMP
CCT
CDT
CTL
CTL
CCT
VMP
CDT
V4
V4
Seiko Instruments Inc.
Figure 3 (1/2)
V7
V6
V1
V2
V3
V1
V2
V3
Measurement circuit 2
Measurement circuit 4
V5
VCC
CD1
VC1
CD2
VC2
CD3
VSS
S1
S2
VCC
CD1
VC1
CD2
VC2
CD3
VSS
DOP
I7
I6
DOP
S-8233B
S-8233B
COP
COP
1MΩ
COVT
COVT
VMP
CCT
CDT
CTL
VMP
CCT
CTL
CDT
V5
V4
Rev.4.0
V4
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