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S8253C Datasheet(PDF) 21 Page - Seiko Instruments Inc

Part # S8253C
Description  BATTERY PROTECTION IC FOR 2-SERIES OR 3-SERIES-CELL PACK
PDF  33 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8253C Datasheet(HTML) 21 Page - Seiko Instruments Inc

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BATTERY PROTECTION IC FOR 2-SERIES OR 3-SERIES-CELL PACK
Rev.2.1_00
S-8253C/D Series
Seiko Instruments Inc.
21
2. Overcurrent Detection
VCUn
VDUn
VDLn
(n = 1 to 3)
VCLn
Battery
voltage
VHC
VHD
VDD
DOP
pin voltage
VSS
High-Z
VEB+
VSS
COP
pin voltage
High-Z
High-Z
VMP
pin voltage
Load
connection
Status
*1
Overcurrent detection
delay time 1 ( tIOV1 )
< 1 >
< 2 >
< 1 >
< 1 >
Overcurrent detection
delay time 2 ( tIOV2 )
Overcurrent detection
delay time 3 ( tIOV3)
< 2 >
< 1 >
< 2 >
VDD
VIOV1
VIOV2
VIOV3
VSS
*1.
< 1 > : Normal status
< 2 > : Overcurrent status
Remark The charger is assumed to charge with a constant current. VEB+ indicates the open voltage of the
charger.
Figure 12



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