LX2201CLQ データシートの表示（PDF） - Microsemi Corporation

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コンポーネント説明

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LX2201CLQ

USB Li-Ion Battery Charger

Microsemi Corporation 

LX2201

TM

®

USB Li-Ion Battery Charger

PRODUCTION DATA SHEET

APPLICATION CIRCUITS

LX2201 CONTROL FLOW DIAGRAM

START

RETURN TO START IF

VIN > VBAT OR VIDX CHANGE STATE.

VDD > VBAT NO

YES

VID0 = 1 NO

YES

VID0 = 1

NO

YES

NO CONDITION

VBAT>60%

CHARGE

MODE

YES

VID0 = 1

NO

YES

D IS C H A R G E

MODE

S W IT C H

OFF

CONSTANT CURRENT

CHARGE MODE

IUSB DETERMINED BY THE

STATE OF VID1.

TEMP < 140

NO

YES

IIN < IUSB

NO

YES

REDUCE

CHARGE

CURRENT

REDUCE

CHARGE

CURRENT

NO

VBAT> VCV

TEMP < 140

NO

YES

IIN < IUSB

NO

YES

NO

IBAT<IMIN

YES

REDUCE

CHARGE

CURRENT

REDUCE

CHARGE

CURRENT

YES

CONSTANT VOLTAGE

CHARGE MODE

VOLTAGE

M O N IT O R IN G

MODE (STATE).

VBAT<97%

NO

YES

RETURN TO THE TOP

OF THE CHART.

Figure 2 – Control Flow Diagram

Copyright © 2000

Rev. 1.2b, 2005-04-13

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 5

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