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 

MCP73871

Package Types

MCP73871

20-Lead QFN

20 19 18 17 16

OUT 1

VPCC 2

SEL 3

PROG2 4

15 VBAT

EP

14 VBAT

21

13 PROG1

12 PROG3

THERM 5

11 VSS

6 7 8 9 10

Typical Application Circuit

Ac-dc Adapter

or

USB Port

10 µF

MCP73871 Typical Application

18, 19

IN

2

VPCC

470Ω

6

PG

470Ω 7 STAT2

Low Hi

Low Hi

Low Hi

Low Hi

470Ω

8 STAT1

LBO

3

SEL

4

PROG2

9 TE

17

CE

1, 20

OUT

4.7 µF

VBAT 14, 15, 16

4.7 µF

THERM 5 NTC

10 kΩ

PROG1 13 RPROG1

PROG3 12 RPROG3

VSS 10, 11, EP

System

Load

Single-Cell

Li-Ion Battery

DS22090B-page 2

© 2009 Microchip Technology Inc.

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