BQ24075RGTRG4 查看數據表（PDF） - Teccor Electronics
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BQ24075RGTRG4
Teccor Electronics
BQ24075RGTRG4 Datasheet PDF : 53 Pages
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bq24072, bq24073, bq24074, bq24075, bq24079
SLUS810L – SEPTEMBER 2008 – REVISED JUNE 2018
www.ti.com
8.6 Electrical Characteristics
Over junction temperature range (0° ≤ TJ ≤ 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
55
80
130 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: 5 V → 11 V
VIN: 7 V → 5V
VIN: 11 V → 5 V
(’72, ’73, ’75, '79)
(’74)
(’72, ’73, ’75, '79)
(’74)
Time measured from VIN: 11 V → 5 V with 1 μs
fall-time to PGOOD = LO
6.4
6.6
6.8
V
10.2
10.5
10.8
110
mV
175
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, TJ = 85°C
EN1= HI, EN2=HI, VIN = 6 V, TJ= 85°C
EN1= HI, EN2=HI, VIN = 10 V, TJ= 85°C
CE = LO, VIN = 6 V, no load on OUT pin,
VBAT > VBAT(REG), (EN1, EN2) ≠ (HI, HI)
6.5 μA
50
μA
200
1.5 mA
VDO(IN-OUT)
VDO(BAT-OUT)
VIN – VOUT
VBAT – VOUT
VO(REG)
OUT pin voltage regulation (bq24072)
OUT pin voltage regulation (bq24073, bq24074)
OUT pin voltage regulation (bq24075, bq24079)
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 = 1 A, VBAT = 4.2 V
IOUT = 1 A, VIN = 0 V, VBAT > 3 V
VIN > VOUT + VDO(IN-OUT), VBAT < 3.2 V
VIN > VOUT + VDO(IN-OUT), VBAT ≥ 3.2 V
VIN > VOUT + VDO(IN-OUT)
VIN > VOUT + VDO(IN-OUT)
EN1 = LO, EN2 = LO
EN1 = HI, EN2 = LO
EN2 = HI, EN1 = LO
ILIM = 500 mA to 1.5 A
ILIM = 200 mA to 500 mA
EN2 = HI, EN1 = LO, RILIM = 8 kΩ to 1.1 kΩ
EN2 = LO, EN1 = X
3.3
VBAT +
150mV
4.3
5.4
90
450
1500
1330
200
4.35
300
50
3.4
VBAT +
225mV
4.4
5.5
95
475
KILIM/RILIM
1610
1525
4.5
475 mV
100 mV
3.5
VBAT +
270mV
V
4.5
5.6
100
mA
500
A
1720
AΩ
1720
1500 mA
4.63
V
VDPPM
Output voltage threshold when charging current is
reduced
(’72, ’73, ’74)
(’75, '79)
VO(REG) –
180mV
VO(REG) –
100mV
VO(REG) –
30mV
V
4.2
4.3
4.4
V
VBSUP1
Enter battery supplement mode
VBAT = 3.6 V, RILIM = 1.5 kΩ, RLOAD = 10 Ω → 2 Ω
VOUT ≤ VBAT
–40mV
V
VBSUP2
VO(SC1)
VO(SC2)
tDGL(SC2)
tREC(SC2)
Exit battery supplement mode
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
VBAT = 3.6 V, RILIM = 1.5 kΩ, RLOAD = 2 Ω → 10 Ω
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
10
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