LX2206 Datasheet, PDF (5/14 Pages) Microsemi Corporation – Dual Level Lithium Ion Battery Charger

LX2206
TM
®
Dual Level Lithium Ion Battery Charger
PRODUCTION DATA SHEET
START
CONTROL LOGIC DIAGRAM
RETURN TO START IF
VIN > VBAT, UVLO, SD, CHANGE STATE.
YES
SD
NO
VIN > VBAT
NO
YES
YES
UVLO
NO
VOLTAGE
M O N IT O R IN G
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.
TEMP < 130
NO
YES
ICC < IMAX
NO
YES
REDUCE
CHARGE
CURRENT
REDUCE
CHARGE
CURRENT
NO
VBAT> VCV
YES
CONSTANT VOLTAGE
CHARGE MODE
TEMP < 130
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 © 2005
Rev. 1.2, 2006-12-22
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Page 5