MCP73833 Просмотр технического описания (PDF) - Microchip Technology

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производитель

MCP73833

Stand-Alone Linear Li-Ion / Li-Polymer Charge Management Controller

Microchip Technology 

MCP73833/4

Typical Application

VIN

1 µF

Functional Block Diagram

1A Li-Ion Battery Charger

1,2 VDD

VBAT 9,10

1 µF

470Ω

470Ω

470Ω

3 STAT1 THERM 8

4 STAT2 PROG 6

7 PG

VSS 5

MCP73833

1 kΩ

+ Single

-

Li-Ion

Cell

T 10 kΩ

VDD

PROG

10 µA

Direction

Control

6 µA

G=0.001

G=0.001

1 kΩ

Reference

Generator

VREF (1.21V)

6 µA

310 kΩ

72.7 kΩ

50 µA

175 kΩ

54 kΩ

VSS

THERM

121 kΩ

470.6kΩ

1 MΩ

121 kΩ

6 kΩ

157.3 kΩ

+

- SHDN

+

- LDO

+

- UVLO

+

- HTVT

+

- LTVT

CURRENT

+ LIMIT

-

111 kΩ

+

-

PRECONDITION

+ CA

-

10 kΩ

470.6 kΩ

+

-

TERMINATIO N

+

-

CHARG E

48 kΩ

+ VA

-

Charge

Control,

Timer,

and

Status

Logic

VBAT

STAT1

STAT2

PG (TE)

DS22005B-page 2

© 2009 Microchip Technology Inc.

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