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ISL9219 Datasheet(PDF) 11 Page - Renesas Technology Corp

Part # ISL9219
Description  Li-ion Battery Charger
PDF  12 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL9219 Datasheet(HTML) 11 Page - Renesas Technology Corp

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ISL9219
FN6606 Rev 2.00
Page 11 of 12
April 7, 2010
POWER
UP
POR
Y
N
CV CHARGE
STAT1= L
STAT2 = L
PG = VIN
ACFLT = L
Y
N
INITIALIZATION
RESET
COUNTER
VOUT>VMIN
Y
IOUT = ISET
Y
N
Y
N
POR
Y
N
IOUT < IMIN ?
AC_IN = HI?
USBI = HI?
IOUT = 500mA
IOUT = 100mA
N
VOUT =
4.2V?
CHARGE
COMPLETE
STAT1 = L
STAT2 = H
PG = VIN
ACFLT = L
Y
N
TRICKLE CHARGE
STAT1 = L
STAT2 = L
PG = VIN
ACFLT = L
VIN>VPOR?
ANYTIME WHEN
VIN < 4.4V
ACFLT = H
Y
TIMEOUT ?
TIMEOUT ?
FAULT
STAT1 = H
STAT2 = L
CHARGE COMPLETE
STAT1 = L
STAT2 = H
CHARGER OFF
POR OR
EN TOGGLED
OTP
N
N
TRICKLE
TIMEOUT ?
Y
CV CHARGE
STAT1= L
STAT2 = L
PG = VIN
ACFLT = L
TIMEOUT?
Y
N
VIN>VOUT +VOS?
Y
N
EN = LO ?
Y
N
SUSPEND
STAT1 = H
STAT2 = H
ANYTIME
WHEN
BATT IS
REMOVED
VIN<VOVP?
Y
ACFLT = H
N
RE-CHARGE
STAT1 = L
STAT2 = H
CHARGER ON
TIMER RESET
VOUT <
VRECH?
N
Y
TIMEOUT ?
N
Y
EN = H
FIGURE 3. STATE DIAGRAM



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