Datasheet

( )
SET PRECHG
SET
O(PRECHG)
K x V
( ) ( )
I =
R
( )
æ ö
ç ÷
m
ç ÷
è ø
ISET
ISET
ISET
O(OUT)
V
( )
I = K + 10 A
( ) x
R
( )
( )
SET SET
SET
O(OUT)
K x V
( ) ( )
I =
R
( )
(1)
(4)
bq24010, bq24012
bq24013, bq24014, bq24018
www.ti.com SLUS530K –SEPTEMBER 2002–REVISED JANUARY 2014
ELECTRICAL CHARACTERISTICS (continued)
over 0°C ≤ T
J
≤ 125°C and recommended supply voltage, (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
A
= 25°C –0.5% 0.5%
Voltage regulation accuracy
–1% 1%
V
(DO)
Dropout voltage (V
(IN)
– V
(OUT)
) V
O(REG)
+ V
(DO–MAX)
) ≤ V
CC
, I
O(OUT)
= 1A 650 790 mV
CURRENT REGULATION
V
CC
≥ 4.5 V, V
IN
≥ 4.5 V, V
I(BAT)
> V
(LOWV)
,
100 1000
V
IN
– V
I(BAT)
> V
(DO–MAX)
I
O(OUT)
(1)
Output current range mA
See note
(2)
25 100
bq24010,
bq24012,
Voltage on ISET pin, V
CC
≥ 4.5 V,
2.45 2.50 2.55 V
bq24013,
V
(SET)
Output current set voltage V
IN
≥ 4.5 V, V
I(BAT)
> V
(LOWV)
,
bq24014
V
IN
– V
I(BAT)
> V
(DO–MAX)
, V
O(REG)
= 4.2 V
bq24018 2.548 2.6 2.652 V
50 mA ≤ I
O(OUT)
≤ 1000 mA, V
(LOWV)
< V
(OUT)
< V
(RCH)
315 335 355
25 mA ≤ I
O(OUT)
< 50 mA, V
(LOWV)
< V
(OUT)
< V
(RCH)
315 372 430
K
(SET)
Output current ISET factor 10 mA ≤ I
O(OUT)
< 100 mA, V
(OUT)
< V
(LOWV)
350 1000
2.5 mA ≤ I
O(OUT)
< 10 mA, V
(OUT)
< V
(LOWV)
450
2.5 mA ≤ I
O(OUT)
< I
(PGM)
, V
(OUT)
< V
(RCH)
355
(3)
PRE-CHARGE AND SHORT-CIRCUIT CURRENT REGULATION
Pre-charge to fast-charge transition
V
(LOWV)
Voltage on BAT pin 2.80 2.95 3.10 V
threshold
Pre-charge to short-charge transition
V
(SC)
Voltage on BAT pin 1 1.4 1.8 V
threshold
I
O(PRECHG)
(4)
Pre-charge range V
(SC)
< V
I(BAT)
< V
(LOWV)
, t < t
(PRECHG)
10 100 mV
V
(PRECHG)
Pre-charge set voltage Voltage on ISET pin, V
(SC)
< V
I(BAT)
< V
(LOWV)
225 250 280 mV
I
SC
Short circuit current V
(SC)
> V
I(BAT)
660 900 1200 μA
(2) Specified by design. Not production tested.
(3) 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.
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