ISL6291 데이터 시트보기 (PDF) - Renesas Electronics

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ISL6291

Li-ion/Li Polymer Linear Battery Charger

Renesas Electronics 

ISL6291

Block Diagrams

VIN x3

x3 VBAT

V2P8

IREF

IMIN

TOEN

TEMP

REF

VPOR

VCH

VMIN

VRECHRG

IR

Current

Source

100000:1

current

mirror

ISEN

Inputok

+

- VPOR

+

+

-

80mV

+

C- A

CHRG

TEMP

MON

+

VA -

VCH

ISEN2

T rickle/CC

IMIN

+

-

MIN_I

V2P8

VTMIN

-

+

-

+

VTMAX

U.T .

O.T .

Minbat

+

-

VMIN

LOGIC

Charge

S Q SET

RQ

CLR

Fault

S Q SET

RQ

CLR

COUNTER

OSC

VRECHRG

+

Recharge -

CHRG

FAULT

SHDN

Inputok

STATUS

FAULT

EN

TIME

GND

FN9102 Rev 2.00

May 2, 2005

Page 3 of 11

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