Datasheet

bq24230
bq24232
www.ti.com SLUS821E –OCTOBER 2008–REVISED JANUARY 2014
Recommended Operating Conditions
MIN MAX UNIT
IN voltage range 4.35 26 V
V
I
'230 4.35 6.4 V
IN operating voltage range
'232 4.35 10.2
I
IN
Input current, IN pin 500 mA
I
OUT
Current, OUT pin 1500 mA
I
BAT
Current, BAT pin (discharging) 1500 mA
I
CHG
Current, BAT pin (charging) 500 mA
T
J
Junction temperature –40 125 °C
R
ILIM
Maximum input current programming resistor 3.1 7.8 kΩ
R
ISET
Fast-charge current programming resistor 1.8 36 kΩ
R
TMR
Timer programming resistor 18 72 kΩ
R
ITERM
Termination programming resistor '232 0 15 kΩ
Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT
UVLO Undervoltage lockout V
IN
: 0 V → 4 V 3.2 3.3 3.4 V
V
hys(UVLO)
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(INDT)
Hysteresis on V
IN(DT)
VBAT = 3.6 V, V
IN
: 4 V → 3.5 V 20 mV
Time measured from V
IN
: 0 V → 5 V 1-μs
Deglitch time, input power
t
DGL(PGOOD)
2 ms
detected status
rise time to PGOOD = LO
('230) V
IN
: 5 V → 7 V 6.4 6.6 6.8
Input overvoltage protection
V
OVP
V
threshold
('232) V
IN
: 5 V → 11 V 10.2 10.5 10.8
V
hys(OVP)
Hysteresis on OVP ('230) V
IN
: 7 V → 5V 110 mV
('232) V
IN
: 11 V → 5 V 175
t
DGL(OVP)
Input overvoltage blanking time 50 μs
Time measured from V
IN
: 11 V → 5 V 1 μs
t
REC(OVP)
Input overvoltage recovery time 2 ms
fall time to PGOOD = LO
ILIM, TEST ISET SHORT CIRCUIT
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 μA
I
IN(STDBY)
Standby current into IN pin
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
= 500 mA, V
BAT
= 4.2 V 150.0 237.5 mV
V
DO(BAT-OUT)
V
BAT
– V
OUT
I
OUT
= 500 mA, V
IN
= 0 V, V
BAT
> 3 V 62.5 mV
V
O(REG)
OUT pin voltage regulation V
IN
> V
OUT
+ V
DO (IN-OUT)
4.3 4.4 4.5 V
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
K
ILIM
Maximum input current factor I
LIM
= 200 mA to 500 mA 1380 1530 1680 AΩ
Programmable input current limit
I
IN
max EN2 = HI, EN1 = LO, R
ILIM
= 2.75 kΩ to 8.4 kΩ 200 500 mA
range
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