bq24010, bq24012
bq24013, bq24014, bq24018
SLUS530K – SEPTEMBER 2002 – REVISED JANUARY 2014
ELECTRICAL CHARACTERISTICS (continued)
over 0°C
≤
T
J
≤
125°C and recommended supply voltage, (unless otherwise noted)
PARAMETER
Voltage regulation accuracy
V
(DO)
Dropout voltage (V
(IN)
– V
(OUT)
)
T
A
= 25°C
V
O(REG)
+ V
(DO–MAX)
)
≤
V
CC
, I
O(OUT)
= 1A
V
CC
≥
4.5 V, V
IN
≥
4.5 V, V
I(BAT)
> V
(LOWV)
,
V
IN
– V
I(BAT)
> V
(DO–MAX)
See note
(2)
TEST CONDITIONS
MIN
–0.5%
–1%
TYP
MAX
0.5%
1%
UNIT
650
790
mV
CURRENT REGULATION
I
O(OUT)
(1)
Output current range
100
25
bq24010,
bq24012,
bq24013,
bq24014
bq24018
1000
100
mA
V
(SET)
Output current set voltage
Voltage on ISET pin, V
CC
≥
4.5 V,
V
IN
≥
4.5 V, V
I(BAT)
> V
(LOWV)
,
V
IN
– V
I(BAT)
> V
(DO–MAX)
, V
O(REG)
= 4.2 V
2.45
2.50
2.55
V
2.548
315
315
350
2.6
335
372
2.652
355
430
1000
V
50 mA
≤
I
O(OUT)
≤
1000 mA, V
(LOWV)
< V
(OUT)
< V
(RCH)
25 mA
≤
I
O(OUT)
< 50 mA, V
(LOWV)
< V
(OUT)
< V
(RCH)
K
(SET)
Output current ISET factor
10 mA
≤
I
O(OUT)
< 100 mA, V
(OUT)
< V
(LOWV)
2.5 mA
≤
I
O(OUT)
< 10 mA, V
(OUT)
< V
(LOWV)
2.5 mA
≤
I
O(OUT)
< I
(PGM)
, V
(OUT)
< V
(RCH)
PRE-CHARGE AND SHORT-CIRCUIT CURRENT REGULATION
V
(LOWV)
V
(SC)
I
O(PRECHG)
V
(PRECHG)
I
SC
(4)
450
355
(3)
Pre-charge to fast-charge transition
threshold
Pre-charge to short-charge transition
threshold
Pre-charge range
Pre-charge set voltage
Short circuit current
Voltage on BAT pin
Voltage on BAT pin
V
(SC)
< V
I(BAT)
< V
(LOWV)
, t < t
(PRECHG)
Voltage on ISET pin, V
(SC)
< V
I(BAT)
< V
(LOWV)
V
(SC)
> V
I(BAT)
2.80
1
10
225
660
2.95
1.4
3.10
1.8
100
V
V
mV
mV
μA
250
900
280
1200
I
O(OUT)
=
(1)
(2)
(3)
(
K(
SET
) x V(
SET
)
)
R(
SET
)
æ
V(
ISET
)
ö
I
O(OUT)
= K(
ISET
) x
ç
+ 10
m
A
÷
ç
R(
ISET
)
÷
è
ø
I
O(PRECHG)
Specified by design. Not production tested.
The ISET pin may be used as a current monitor during voltage regulation by applying the following equation:
This equation is also used for calculating the termination point.
(
K(
SET
) x V(
PRECHG
)
)
=
R(
SET
)
(4)
Copyright © 2002–2014, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Links:
bq24010, bq24012 bq24013, bq24014, bq24018
TI [ TEXAS INSTRUMENTS ]
