SC8201 datasheet(7/9 Pages) SILAN

7 / 9 page

SC8201

Over Current State

→Normal State

HANGZHOU MICROELECTRONICS CO.,LTD

REV:1.3

2008.06.25

Http://www.silan.com.cn

Page 7 of 10

Charger connection

VOCU

VOCR

VODR

VODL

VDD

CSI

VDD

VSS

VDD

VSS

VCH

VOI2

TOI1

TOI2

Load connection

STATE DIAGRAM OF OPERATION

Abnormal charge

Current condition

(OC=0)

(F)

Over charge condition, (OC=0)

(A)

Normal condition

(OD=OC=1)@

VODL<VDD<VOCU

VCH<VCSI<VOI1

(J)

Overdischarge

condition, (OD=0)

(L)

Power down condition

(P)

Charger detect @

Overcharge

Over current Ⅰ,Ⅱ

Or short, (OD=0)

(S)

VCSI<VCH(-0.6V)

t>TOC(100ms)

(T)

VCSI>VCH(-0.6V)

(H)

VCSI>VOI1(0.15V)

VDD<VOCU(4.35V)

(E)

VDD>VOCU(4.35V)

t>TOC(100ms)

(G)

VDD<VOCR(4.15V)

OD=0

VCSI is shorted to VDD (pull-

up to VDD) via resistor

RCSID (300k)

(I)

VDD<VODL(2.4V)

t>TOD(10ms)

( R )

VCSI<VCH(-0.6v)

(N)

VDD>VODR(3.0v)

(K)

VCSI>VOI2

(M)

VCH<VCSI<VOI2

(Q)

VDD>VODL

(B)

VCSI>VOI1(0.15V)

t>tOI1(10ms)

( C )

VCSI>VOI2

t>TOI2(5 s)

(D)

Load

resistor

>500kΩ

OD=0

IDD≤IPD(0.3 A)

VCSI is shorted to VDD

(pull-up to VDD) via resistor

RCSID (300k)

OD=0

SC8201 operation status diagram

Release overdischarge

Trickle charging by

automatic charging

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