Datasheet

bq24630
SLUS894A –JANUARY 2010– REVISED OCTOBER 2011 www.ti.com
RECOMMENDED OPERATING CONDITIONS
VALUE UNIT
Voltage range VCC, ACP, ACN, SRP, SRN, BATDRV, ACDRV, CE, STAT1, STAT2, PG –0.3 to 28 V
PH –2 to 30 V
VFB –0.3 to 14 V
REGN, LODRV, ACSET, TS, TTC –0.3 to 6.5 V
BTST, HIDRV with respect to GND –0.3 to 34 V
ISET1, ISET2 –0.3 to 3.3 V
VREF 3.3 V
Maximum difference voltage ACP–ACN, SRP–SRN –0.2 to 0.2 V
T
J
Junction temperature range 0 to 125 °C
T
stg
Storage temperature range –55 to 155 °C
ELECTRICAL CHARACTERISTICS
5 V ≤ V
VCC
≤ 28 V, 0°C < T
J
< 125°C, typical values are at T
A
= 25°C, with respect to GND unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OPERATING CONDITIONS
V
VCC_OP
VCC input voltage operating range 5 28 V
QUIESCENT CURRENTS
Total battery discharge current (sum of
currents into VCC, BTST, PH, ACP, ACN, V
VCC
< V
SRN
, V
VCC
> V
UVLO
(SLEEP) 15
μA
SRP, SRN, VFB), VFB ≤ 2.1 V
I
BAT
Battery discharge current (sum of currents V
VCC
> V
SRN
, V
VCC
> V
UVLO
CE = LOW 5
into BTST, PH, SRP, SRN, VFB), VFB ≤
V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
CE = HIGH, charge done 5 µA
2.1 V
V
VCC
> V
SRN
, V
VCC
> V
UVLO
CE = LOW 1 1.5
Adapter supply current (current into V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
, CE = HIGH, charge done 2 5
I
AC
mA
VCC,ACP,ACN pin)
V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
, CE = HIGH, charging,
12
Qg_total = 20 nC, V
VCC
= 20 V
V
FB
Feedback regulation voltage 1.8 V
T
J
= 0°C to 125°C –0.5% 0.5%
Charge voltage regulation accuracy
T
J
= –40°C to 125°C –0.7% 0.7%
Input leakage current into VFB pin VFB = 1.8 V 100 nA
CURRENT REGULATION – FAST CHARGE
V
ISET1
ISET1 voltage range 2 V
V
IREG_CHG
SRP–SRN current sense voltage range V
IREG_CHG
= V
SRP
– V
SRN
100 mV
Charger current set factor amps of charge
K
(ISET1)
R
SENSE
= 10 mΩ 5 A/V
current per volt on ISET1 pin)
V
IREG_CHG
= 40 mV –3% 3%
V
IREG_CHG
= 20 mV –4% 4%
Charge current regulation accuracy
V
IREG_CHG
= 5 mV –25% 25%
V
IREG_CHG
= 1.5 mV (V
SRN
> 3.1 V) –40% 40%
I
ISET1
Leakage current in to ISET1 Pin V
ISET1
= 2 V 100 nA
CURRENT REGULATION – PRECHARGE
Precharge current R
SENSE
= 10 mΩ, VFB < V
LOWV
50 125 200 mA
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