s-8243b Seiko Instruments Inc., s-8243b Datasheet - Page 2

• Manufacturer Part Number: s-8243b
• Description: Battry Protection Ic For 3-serial Or 4-serial Cell Pack
• Manufacturer: Seiko Instruments Inc.

2
BATTERY PROTECTION IC FOR 3-SERIAL OR 4-SERIAL CELL PACK
S-8243A/B Series
1. S-8243A Series
Block Diagrams
Remark1. Diodes in the figure are parasitic diodes.
2. Numerical values are typical values.
COP
DOP
VMP
VDD
VC3
VSS
VC1
VC2
660 kΩ
660 kΩ
440 kΩ
Battery protection
Seiko Instruments Inc.
Figure 1
Delay
Delay
Delay
Delay
DOP,COP,
RVCM,RVSM
control
Battery
selection
Voltage
regulator
Battery monitor amp
5 MΩ
5 MΩ
1.4 MΩ
1.4 MΩ
1.4 MΩ
1.4 MΩ
1.4 MΩ
1.4 MΩ
1 MΩ
1 MΩ
200 nA
VREG
VREG
VREG
VBATOUT
CDT
VREG
CTL1
CTL2
CTL3
CCT
CTL4
Rev.2.5
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