LX2203A データシートの表示（PDF） - Microsemi Corporation
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LX2203A Datasheet PDF : 11 Pages
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LX2203A
TM
®
Li-Ion Battery Charger
PRODUCTION DATA SHEET
THEORY OF OPERATION
LX2203 CONTROL FLOW DIAGRAM
START
Return to START
if EN changes state or
VIN is removed.
EN = 1
NO
YES
SLEEP
VIN>
NO
VUVLO
YES
VIN>
NO
VBAT
YES
CONSTANT VOLTAGE
CHARGE MODE
NO CONDITION
VBAT>60%
CHARGE
MODE
YES
TEMP < 150
NO
YES
CONSTANT CURRENT
CHARGE MODE
TEMP < 150
NO
YES
REDUCE
CHARGE
CURRENT
NO
IBAT<IMIN
YES
VOLTAGE
MONITORING
MODE (STATE).
NO
VBAT> VCV
YES
VBAT<97% NO
YES
RETURN TO THE TOP
OF THE CHART.
Figure 2 – Control Flow Diagram
Copyright © 2004
Rev. 1.0a, 2005-10-21
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
REDUCE
CHARGE
CURRENT
Page 6
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