Data Sheet

bq24072 , bq24073 , bq24074 , bq24075 , bq24079
SLUS810K –SEPTEMBER 2008–REVISED MARCH 2015 www.ti.com
8.6 Electrical Characteristics
Over junction temperature range (0° ≤ T
J
≤ 125°C) and the recommended supply voltage range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT
UVLO Undervoltage lock-out V
IN
: 0 V → 4 V 3.2 3.3 3.4 V
V
hys
Hysteresis on UVLO V
IN
: 4 V → 0 V 200 300 mV
Input power detected when V
IN
> V
BAT
+ V
IN(DT)
V
IN(DT)
Input power detection threshold 55 80 130 mV
V
BAT
= 3.6 V, VIN: 3.5 V → 4 V
V
hys
Hysteresis on V
IN(DT)
V
BAT
= 3.6 V, V
IN
: 4 V → 3.5 V 20 mV
Time measured from V
IN
: 0 V → 5 V 1 μs
t
DGL(PGOOD)
Deglitch time, input power detected status 1.2 ms
rise-time to PGOOD = LO
V
IN
: 5 V → 7 V (’72, ’73, ’75, '79) 6.4 6.6 6.8
V
OVP
Input overvoltage protection threshold V
V
IN
: 5 V → 11 V (’74) 10.2 10.5 10.8
V
IN
: 7 V → 5V (’72, ’73, ’75, '79) 110
V
hys
Hysteresis on OVP mV
V
IN
: 11 V → 5 V (’74) 175
t
DGL(OVP)
Input overvoltage blanking time (OVP fault deglitch) 50 μs
Time measured from V
IN
: 11 V → 5 V with 1 μs
t
REC
Input overvoltage recovery time 1.2 ms
fall-time to PGOOD = LO
ILIM, ISET SHORT-CIRCUIT DETECTION (CHECKED DURING STARTUP)
I
SC
Current source V
IN
> UVLO and V
IN
> V
BAT
+ V
IN(DT)
1.3 mA
V
SC
V
IN
> UVLO and V
IN
> V
BAT
+ V
IN(DT)
520 mV
QUIESCENT CURRENT
CE = LO or HI, input power not detected,
I
BAT(PDWN)
Sleep current into BAT pin 6.5 μA
No load on OUT pin, T
J
= 85°C
EN1= HI, EN2=HI, V
IN
= 6 V, T
J
= 85°C 50
I
IN
Standby current into IN pin μA
EN1= HI, EN2=HI, V
IN
= 10 V, T
J
= 85°C 200
CE = LO, V
IN
= 6 V, no load on OUT pin,
I
CC
Active supply current, IN pin 1.5 mA
V
BAT
> V
BAT(REG)
, (EN1, EN2) ≠ (HI, HI)
POWER PATH
V
DO(IN-OUT)
V
IN
– V
OUT
V
IN
= 4.3 V, I
IN
= 1 A, V
BAT
= 4.2 V 300 475 mV
V
DO(BAT-OUT)
V
BAT
– V
OUT
I
OUT
= 1 A, V
IN
= 0 V, V
BAT
> 3 V 50 100 mV
V
IN
> V
OUT
+ V
DO(IN-OUT)
, V
BAT
< 3.2 V 3.3 3.4 3.5
OUT pin voltage regulation (bq24072)
V
BAT
+ V
BAT
+ V
BAT
+
V
IN
> V
OUT
+ V
DO(IN-OUT)
, V
BAT
≥ 3.2 V
150mV 225mV 270mV
V
O(REG)
V
OUT pin voltage regulation (bq24073, bq24074) V
IN
> V
OUT
+ V
DO(IN-OUT)
4.3 4.4 4.5
OUT pin voltage regulation (bq24075, bq24079) V
IN
> V
OUT
+ V
DO(IN-OUT)
5.4 5.5 5.6
EN1 = LO, EN2 = LO 90 95 100
mA
I
IN
max Maximum input current EN1 = HI, EN2 = LO 450 475 500
EN2 = HI, EN1 = LO K
ILIM
/R
ILIM
A
I
LIM
= 500 mA to 1.5 A 1500 1610 1720
K
ILIM
Maximum input current factor AΩ
I
LIM
= 200 mA to 500 mA 1330 1525 1720
I
IN
max Programmable input current limit range EN2 = HI, EN1 = LO, R
ILIM
= 8 kΩ to 1.1 kΩ 200 1500 mA
Input voltage threshold when input current is
V
IN-DPM
EN2 = LO, EN1 = X 4.35 4.5 4.63 V
reduced
V
O(REG)
– V
O(REG)
– V
O(REG)
–
(’72, ’73, ’74) V
Output voltage threshold when charging current is
180mV 100mV 30mV
V
DPPM
reduced
(’75, '79) 4.2 4.3 4.4 V
V
OUT
≤ V
BAT
V
BSUP1
Enter battery supplement mode V
BAT
= 3.6 V, R
ILIM
= 1.5 kΩ, R
LOAD
= 10 Ω → 2 Ω V
–40mV
V
OUT
≥
V
BSUP2
Exit battery supplement mode V
BAT
= 3.6 V, R
ILIM
= 1.5 kΩ, R
LOAD
= 2 Ω → 10 Ω V
V
BAT
–20mV
V
O(SC1)
Output short-circuit detection threshold, power-on V
IN
> V
UVLO
and V
IN
> V
BAT
+ V
IN(DT)
0.8 0.9 1 V
Output short-circuit detection threshold, supplement
V
O(SC2)
V
IN
> V
UVLO
and V
IN
> V
BAT
+ V
IN(DT)
200 250 300 mV
mode V
BAT
– V
OUT
> V
O(SC2)
indicates short-circuit
t
DGL(SC2)
Deglitch time, supplement mode short circuit 250 μs
t
REC(SC2)
Recovery time, supplement mode short circuit 60 ms
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