S8254A View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

S8254A

BATTERY PROTECTION IC FOR 3-SERIAL- OR 4-SERIAL-CELL PACK

Unspecified 

BATTERY PROTECTION IC FOR 3-SERIAL- OR 4-SERIAL-CELL PACK

S-8254A Series

Rev.5.2_01

2. Overcurrent detection

VCUn

VCLn

VHC

Battery voltage

VDUn

VDLn

(n = 1 to 4)

VHD

VDD

DOP pin voltage

VSS

VEB

COP pin voltage

VSS

High-Z

High-Z

High-Z

VDD

VIOV3

VMP pin voltage

VSS

VDD

VINI pin voltage

VIOV2

VIOV1

VSS

Load connection

Overcurrent 1 detection

delay time (tIOV1)

Status*1

<1>

<2>

*1. < 1 > : Normal status

< 2 > : Overcurrent status

Overcurrent 2 detection Overcurrent 3 detection

delay time (tIOV2)

delay time (tIOV3)

<1>

<2>

<1> <2>

<1>

Remark The charger is assumed to charge with a constant current. VEB indicates the open voltage of

the charger.

Figure 10

18

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