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bq24075TRGTT Datasheet(PDF) 4 Page - Texas Instruments

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Part # bq24075TRGTT
Description  1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

bq24075TRGTT Datasheet(HTML) 4 Page - Texas Instruments

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bq24075T
bq24079T
SLUS937 – DECEMBER 2009
www.ti.com
ELECTRICAL CHARACTERISTICS
Over junction temperature range (0°C < TJ < 125°C) and the recommended supply voltage range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
VUVLO
Under-voltage lock-out
VIN: 0V → 4V
3.2
3.3
3.4
V
VHYS-UVLO
Hysteresis on UVLO
VIN: 4V → 0V
200
300
mV
(Input power detected if VIN > VBAT + VIN-DT)
VIN-DT
Input power detection threshold
55
80
140
mV
VBAT = 3.6V, VIN: 3.5V → 4V
VHYS-INDT
Hysteresis on VIN-DT
VBAT = 3.6V, VIN: 4V → 3.5V
20
mV
Time measured from VIN: 0V → 5V,
tDGL(PGOOD)
Deglitch time, input power detected status
1.2
ms
1
μs rise-time to PGOOD = LO
VOVP
Input over-voltage protection threshold
VIN: 5V
→ 7V
6.4
6.6
6.8
V
VHYS-OVP
Hysteresis on OVP
VIN: 7V
→ 5V
240
mV
tBLK(OVP)
Input over-voltage blanking time
50
μs
Time measured from VIN: 11V → 5V 1μs
tREC(OVP)
Input over-voltage recovery time
1.2
ms
fall-time to PGOOD = LO
ILIM, ISET SHORT CIRCUIT TEST
ISC
Current source
1.3
mA
VSC
520
mV
QUIESCENT CURRENT
CE = LO or HI, input power not detected, no
IBAT(PDWN)
Sleep current into BAT pin
6.5
μA
load on OUT pin
EN1= HI, EN2=HI, VIN ≤ 6V
50
IIN(STDBY)
Standby current into IN pin
μA
EN1= HI, EN2=HI, VIN > 6V
200
CE = LO, VIN = 6V, no load on OUT pin,
ICC
Active supply current, IN pin
1.5
mA
VBAT > VBAT(REG), (EN1,EN2)≠(HI,HI)
POWER PATH
VDO(IN-OUT)
VIN – VOUT
VIN = 4.3V, IIN = 1A, VBAT = 4.2V
300
475
mV
VDO(BAT-OUT)
VBAT – VOUT
IOUT = 1A, VIN = 0V, VBAT > 3V
50
100
mV
VO(REG)
OUT pin voltage regulation
VIN > VOUT + VDO(IN-OUT)
5.4
5.5
5.6
V
EN1 = LO, EN2 = LO
90
95
100
mA
IIN-MAX
Maximum input current
EN1 = HI, EN2 = LO
450
475
500
mA
EN2 = HI, EN1 = LO
KILIM/RIL IM
A
ILIM
≥ 500mA
1500
1600
1700
KILIM
Maximum input current factor
A
200mA < ILIM < 500mA
1330
1512
1700
IIN-MAX
Programmable input current limit range
EN2 = HI, EN1 = LO, RILIM = 8kΩ to 1.1kΩ
200
1500
mA
Input voltage threshold when input current is
VIN-LOW
EN2 = LO, EN1 = X
4.35
4.5
4.63
V
reduced
Output voltage threshold when charging current
VDPM
4.2
4.3
4.4
V
is reduced
VOUT falling, Supplement mode entered
VBAT
VBSUP1
Enter battery supplement mode
V
when VOUT < VBSUP1
40mV
VOUT rising, Supplement mode exited
VBAT
VBSUP2
Exit battery supplement mode
V
when VOUT > VBSUP2
20mV
Output short-circuit detection threshold,
VO(SC1)
0.8
0.9
1.0
V
power-on
Output short-circuit detection threshold,
VO(SC2)
supplement mode VBAT – VOUT > VO(SC2)
200
250
300
mV
indicates short-circuit
tDGL(SC2)
Deglitch time, supplement mode short circuit
250
μs
tREC(SC2)
Recovery time, supplement mode short circuit
60
ms
BATTERY CHARGER
IBAT(SC)
Source current for BAT pin short-circuit detection
4
7.5
11
mA
VBAT(SC)
BAT pin short-circuit detection threshold
1.6
1.8
2.0
V
bq24075T
4.16
4.20
4.24
VBAT(REG)
Battery charge voltage
V
bq24079T
4.059
4.100
4.141
VLOWV
Pre-charge to fast-charge transition threshold
2.9
3
3.1
V
4
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Product Folder Link(s): bq24075T bq24079T


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