LX2207ILD データシートの表示（PDF） - Microsemi Corporation
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LX2207ILD Datasheet PDF : 14 Pages
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LX2207
Three Level Lithium Ion Battery Charger
®
TM
PRODUCTION DATA SHEET
CONTROL LOGIC DIAGRAM
START
RETURN TO START IF
VIN > VBAT, UVLO, SD, CHANGE STATE.
YES
SD
NO
VIN > VBAT NO
YES
YES
UVLO
NO
VOLTAGE
MONITORING
MODE (STATE).
SLEEP
VBAT<97% NO
YES
VBAT>60%
YES
NO CONDITION
CHARGE
MODE
CONSTANT CURRENT
CHARGE MODE
IMAX DETERMINED BY THE
STATE OF H/L, RHCP, RLCP
and 20%.
TEMP < 140
NO
YES
REDUCE
CHARGE
CURRENT
ICC < IMAX
NO
YES
REDUCE
CHARGE
CURRENT
NO VBAT> VCV
YES
CONSTANT VOLTAGE
CHARGE MODE
TEMP < 140
NO
YES
ICC< IMAX
NO
YES
REDUCE
CHARGE
CURRENT
REDUCE
CHARGE
CURRENT
NO IBAT<ITAPER
YES
ITAPER DETERMINED BY
RHCP.
RETURN TO THE TOP
OF THE CHART.
Copyright © 2007
Rev. 1.0a, 2007-10-08
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
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