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BQ24075-Q1 Datasheet, PDF (4/36 Pages) Texas Instruments – 1.5A USB-FRIENDLY Li-Ion BATTERY CHARGER AND POWER-PATH MANAGEMENT IC
bq24075-Q1
SLUSAU3B – FEBRUARY 2012 – REVISED MARCH 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
Over ambient temperature range (-40C° ≤ TA ≤ 125°C) and the recommended supply voltage range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
INPUT
UVLO
Vhys
VIN(DT)
Vhys
tDGL(PGOOD)
Undervoltage lock-out
Hysteresis on UVLO
Input power detection threshold
Hysteresis on VIN(DT)
Deglitch time, input power detected status
VIN: 0 V → 4 V
VIN: 4 V → 0 V
Input power detected when VIN > VBAT + VIN(DT)
VBAT = 3.6 V, VIN: 3.5 V → 4 V
VBAT = 3.6 V, VIN: 4 V → 3.5 V
Time measured from VIN: 0 V → 5 V 1 μs
rise-time to PGOOD = LO
3.2
3.3
3.4
V
200
300 mV
50
80
135 mV
20
mV
1.2
ms
VOVP
Vhys
tDGL(OVP)
tREC
Input overvoltage protection threshold
Hysteresis on OVP
Input overvoltage blanking time (OVP fault deglitch)
Input overvoltage recovery time
VIN: 5 V → 7 V
VIN: 7 V → 5V
Time measured from VIN: 11 V → 5 V with 1 μs
fall-time to PGOOD = LO
6.4
6.6
6.8
V
110
mV
50
μs
1.2
ms
ILIM, ISET SHORT CIRCUIT DETECTION (CHECKED DURING STARTUP)
ISC
Current source
VSC
QUIESCENT CURRENT
VIN > UVLO and VIN > VBAT + VIN(DT)
VIN > UVLO and VIN > VBAT + VIN(DT)
1.3
mA
520
mV
IBAT(PDWN)
Sleep current into BAT pin
IIN
Standby current into IN pin
ICC
Active supply current, IN pin
POWER PATH
CE = LO or HI, input power not detected,
No load on OUT pin, Ta = 125°C
EN1= HI, EN2=HI, VIN = 6 V, Ta= 125°C
EN1= HI, EN2=HI, VIN = 10 V, Ta= 125°C
CE = LO, VIN = 6 V, no load on OUT pin,
VBAT > VBAT(REG), (EN1, EN2) ≠ (HI, HI)
12 μA
65
μA
200
1.5 mA
VDO(IN-OUT)
VDO(BAT-OUT)
VO(REG)
VIN – VOUT
VBAT – VOUT
OUT pin voltage regulation
IINmax
Maximum input current
KILIM
IINmax
VIN-DPM
Maximum input current factor
Programmable input current limit range
Input voltage threshold when input current is
reduced
VIN = 4.3 V, IIN = 1A, VBAT = 4.2V
IOUT = 1 A, VIN = 0 V, VBAT > 3 V
VIN > VOUT + VDO(IN-OUT)
EN1 = LO, EN2 = LO
EN1 = HI, EN2 = LO
EN2 = HI, EN1 = LO
ILIM = 500mA to 1.5A
ILIM = 200mA to 500mA
EN2 = HI, EN1 = LO, RILIM = 8 kΩ to 1.1 kΩ
EN2 = LO, EN1 = X
5.4
85
440
1500
1300
200
4.35
300
50
5.5
95
475
KILIM/RILIM
1610
1525
4.5
475 mV
100 mV
5.65
V
100
mA
500
A
1720
AΩ
1770
1500 mA
4.63
V
VDPPM
Output voltage threshold when charging current is
reduced
4.2
4.3
4.4
V
VBSUP1
Enter battery supplement mode
VBAT = 3.6V, RILIM = 1.5kΩ, RLOAD = 10Ω → 2Ω
VOUT ≤ VBAT
–40mV
V
VBSUP2
VO(SC1)
VO(SC2)
tDGL(SC2)
tREC(SC2)
Exit battery supplement mode
VBAT = 3.6V, RILIM = 1.5kΩ, RLOAD = 2Ω → 10Ω
Output short-circuit detection threshold, power-on
Output short-circuit detection threshold, supplement
mode VBAT – VOUT > VO(SC2) indicates short-circuit
Deglitch time, supplement mode short circuit
Recovery time, supplement mode short circuit
VIN > VUVLO and VIN > VBAT + VIN(DT)
VIN > VUVLO and VIN > VBAT + VIN(DT)
VOUT ≥
VBAT–20mV
0.8
0.9
200
250
250
60
V
1
V
300 mV
μs
ms
4
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