MCP73871 データシートの表示（PDF） - Microchip Technology

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MCP73871

Stand-Alone System Load Sharing and Li-Ion / Li-Polymer Battery Charge Management Controller

Microchip Technology 

Functional Block Diagram

Direction

Control

IN

0.2Ω

G=0.001

CURRENT

LIMIT

Direction

Control

VREF

VPCC

PG

STAT1

STAT2

TE

CE

VSS

VREF

G=0.001

G=0.001

G=0.001

+

-

CURRENT

LIMIT

VREF/2

CA

CHRG

VREF

PRECONDITION

VREF

VREF

VA

UVLO,

REFERENCE,

CHARGE

CONTROL,

TIMER,

AND

STATUS

LOGIC

TERM

HTVT

LTVT

VREF

VREF

VREF

MCP73871

OUT

0.2Ω

Ideal

Diode,

Synchronous

Switch

VBAT

PROG1

PROG3

SEL

PROG2

VBAT_SENSE

50 µA

THERM

© 2009 Microchip Technology Inc.

DS22090B-page 3

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