| 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 |
| VIN-DT |
Input power detection threshold |
(Input power detected if VIN > VBAT + VIN-DT)
VBAT = 3.6V, VIN: 3.5V → 4V |
55 |
80 |
140 |
mV |
| VHYS-INDT |
Hysteresis on VIN-DT |
VBAT = 3.6V, VIN: 4V → 3.5V |
20 |
|
|
mV |
| tDGL(PGOOD) |
Deglitch time, input power detected status |
Time measured from VIN: 0V → 5V,
1μs rise-time to PGOOD = LO |
|
1.2 |
|
ms |
| VOVP |
Input overvoltage 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 |
| tREC(OVP) |
Input over-voltage recovery time |
Time measured from VIN: 11V → 5V 1μs
fall-time to PGOOD = LO |
|
1.2 |
|
ms |
| ILIM, ISET SHORT CIRCUIT TEST |
|
| ISC |
Current source |
|
|
1.3 |
|
mA |
| VSC |
|
|
|
520 |
|
mV |
| QUIESCENT CURRENT |
|
| IBAT(PDWN) |
Sleep current into BAT pin |
CE = LO or HI, input power not detected, no load on OUT pin |
|
|
6.5 |
μA |
| IIN(STDBY) |
Standby current into IN pin |
EN1= HI, EN2=HI, VIN ≤ 6V |
|
|
50 |
μA |
| EN1= HI, EN2=HI, VIN > 6V |
|
|
200 |
| ICC |
Active supply current, IN pin |
CE = LO, VIN = 6V, no load on OUT pin,
VBAT > VBAT(REG), (EN1,EN2)≠(HI,HI) |
|
|
1.5 |
mA |
| 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 (BQ24072T) |
VIN > VOUT + VDO(IN-OUT) , VBAT< 3.2 V |
3.3 |
3.4 |
3.5 |
V |
| VIN > VOUT + VDO(IN-OUT) , VBAT ≥ 3.2 V |
VBAT +
150 mV |
VBAT +
225 mV |
VBAT +
270 mV |
| OUT pin voltage regulation (BQ24075T, BQ24079T) |
VIN > VOUT + VDO(IN-OUT) |
5.4 |
5.5 |
5.6 |
| IIN-MAX |
Maximum input current |
EN1 = LO, EN2 = LO |
90 |
95 |
100 |
mA |
| EN1 = HI, EN2 = LO |
450 |
475 |
500 |
mA |
| EN2 = HI, EN1 = LO |
KILIM/RIL IM |
A |
| KILIM |
Maximum input current factor |
ILIM ≥ 500mA |
1500 |
1600 |
1700 |
AΩ |
| 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 |
| VIN-DPM |
Input voltage threshold when input current is reduced |
EN2 = LO, EN1 = X |
4.35 |
4.5 |
4.63 |
V |
| VDPPM |
Output voltage threshold when charging current is reduced |
BQ24072T |
VO(REG)
–180 mV |
VO(REG)
–100 mV |
VO(REG)
–30 mV |
V |
| BQ24075T, BQ24079T |
4.2 |
4.3 |
4.4 |
| VBSUP1 |
Enter battery supplement mode |
VOUT falling, Supplement mode entered when VOUT < VBSUP1 |
|
VBAT – 40mV |
|
V |
| VBSUP2 |
Exit battery supplement mode |
VOUT rising, Supplement mode exited when VOUT > VBSUP2 |
|
VBAT – 20mV |
|
V |
| VO(SC1) |
Output short-circuit detection threshold, power-on |
|
0.8 |
0.9 |
1.0 |
V |
| VO(SC2) |
Output short-circuit detection threshold, supplement mode VBAT – VOUT > VO(SC2) indicates short-circuit |
|
200 |
250 |
300 |
mV |
| 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 |
| VBAT(REG) |
Battery charge voltage |
BQ24072T, BQ24075T |
4.16 |
4.20 |
4.24 |
V |
| BQ24079T |
4.059 |
4.100 |
4.141 |
| VLOWV |
Pre-charge to fast-charge transition threshold |
|
2.9 |
3 |
3.1 |
V |
| tDGL1(LOWV) |
Deglitch time on pre-charge to fast-charge transition |
|
|
25 |
|
ms |
| tDGL2(LOWV) |
Deglitch time on fast-charge to pre-charge transition |
|
|
25 |
|
ms |
| ICHG |
Battery fast charge current range |
VBAT(REG) > VBAT > VLOWV, VIN = 5V, CE = LO,
EN1= LO, EN2 = HI |
300 |
|
1500 |
mA |
| ICHG |
Battery fast charge current |
CE = LO, EN1= LO, EN2 = HI, VBAT > VLOWV,
VIN = 5V, IIN-MAX > ICHG, no load on OUT pin, thermal loop not active, DPM loop not active |
KISET/RISET |
A |
| KISET |
Fast charge current factor |
|
797 |
890 |
975 |
AΩ |
| IPRECHG |
Pre-charge current |
|
KPRECHG /RISET |
A |
| kPRECHG |
Pre-charge current factor |
|
70 |
88 |
106 |
|
| ITERM |
Charge current value for termination detection threshold |
CE = LO, (EN1,EN2)≠(LO,LO),
VBAT > VRCH, t < tMAXCH, VIN = 5V, DPM loop not active, thermal loop not active |
0.09×ICHG |
0.1×ICHG |
0.11×ICHG |
|
CE = LO, (EN1,EN2)=(LO,LO),
VBAT > VRCH, t < tMAXCH, VIN = 5V, DPM loop not active, thermal loop not active |
0.027×ICHG |
0.033×ICHG |
0.040×ICHG |
|
| tDGL(TERM) |
Deglitch time, termination detected |
|
|
25 |
|
ms |
| VRCH |
Recharge detection threshold |
|
VBAT(REG)
–140mV |
VBAT(REG)
–100mV |
VBAT(REG)
–60mV |
V |
| tDGL(RCH) |
Deglitch time, recharge threshold detected |
|
|
62.5 |
|
ms |
| tDGL(NO-IN) |
Delay time, input power loss to charger turn-off |
VBAT = 3.6V. Time measured from VIN:
5V → 3.3V 1μs fall-time |
|
20 |
|
ms |
| IBAT(DET) |
Sink current for battery detection |
|
5 |
7.5 |
10 |
mA |
| tDET |
Battery detection timer |
|
|
250 |
|
ms |
| BATTERY CHARGING TIMERS |
| tPRECHG |
Pre-charge safety timer value |
TMR = floating |
1440 |
1800 |
2160 |
s |
| tMAXCH |
Charge safety timer value |
TMR = floating |
14400 |
18000 |
21600 |
s |
| tPRECHG |
Pre-charge safety timer value(externally set) |
18kΩ < RTMR < 72kΩ |
RTMR x KTMR |
s |
| tMAXCH |
Charge safety timer value (externally set) |
18kΩ < RTMR < 72kΩ |
10 x RTMR x KTMR |
s |
| KTMR |
Timer factor |
|
35 |
45 |
55 |
s / kΩ |
| BATTERY – PACK NTC MONITOR |
| VHOT |
High temperature trip point |
Battery charging |
12 |
12.5 |
13 |
% of VIN |
| VHYS(HOT) |
Hysteresis on high trip point |
Battery charging |
|
1 |
|
% of VIN |
| VCOLD |
Low temperature trip point |
Battery charging |
24.5 |
25 |
25.5 |
% of VIN |
| VHYS(COLD) |
Hysteresis on low trip point |
Battery charging |
|
1 |
|
% of VIN |
| tDGL(TS) |
Deglitch time, pack temperature fault detection |
Battery charging |
|
50 |
|
ms |
| THERMAL REGULATION |
|
| TJ(REG) |
Temperature Regulation Limit |
|
|
125 |
|
°C |
| TJ(OFF) |
Thermal shutdown temperature |
|
|
155 |
|
°C |
| TJ(OFF-HYS) |
Thermal shutdown hysteresis |
|
|
20 |
|
°C |
| LOGIC LEVELS ON EN1, EN2, CE, SYSOFF, TD |
| VIL |
Logic LOW input voltage |
|
0 |
|
0.4 |
V |
| VIH |
Logic HIGH input voltage |
|
1.4 |
|
6.0 |
V |
| IIL |
|
|
|
|
1 |
μA |
| IIH |
|
|
|
|
10 |
μA |
| LOGIC LEVELS ON PGOOD, CHG |
| VOL |
Output LOW voltage |
ISINK = 5 mA |
|
|
0.4 |
V |