Datasheet

bq24616
www.ti.com SLUSA49B –APRIL 2010– REVISED OCTOBER 2011
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, V
VCC
< V
SRN
, V
VCC
> V
UVLO
(SLEEP) 15 μA
ACN, SRP, SRN, VFB), V
FB
≤ V
FB_REG
I
BAT
V
VCC
> V
SRN
, V
VCC
> V
UVLO
CE = LOW 5 µA
Battery discharge current (sum of
currents into BTST, PH, SRP, SRN,
V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
CE = HIGH, charge
5 µA
VFB), V
FB
≤ V
FB_REG
done
V
VCC
> V
SRN
, V
VCC
> V
UVLO
CE = LOW (IC quiescent
1 1.5
current)
Adapter supply current (current into V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
, CE = HIGH, charge
I
AC
2 5 mA
VCC,ACP,ACN pin) done
V
VCC
> V
SRN
, V
VCC
> V
VCCLOW
, CE = HIGH, charging,
25
Qg_total = 20 nC
CHARGE VOLTAGE REGULATION
V
T3
< V
TS
< V
T1
2.1
V
FB_REG
Feedback regulation voltage V
T4
< V
TS
< V
T3
2.05 V
V
T5
< V
TS
< V
T4
2.025
T
J
= 0 to 85°C –0.5% –0.5%
Charge voltage regulation accuracy
T
J
= –40 to 125°C –0.7% –0.7%
I
VFB
Leakage current into V
FB
pin V
FB
= 2.1 V, 2.05 V, 2.025 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
Charge-current set factor (amps of
K
ISET1
R
SENSE
= 10 mΩ 5 A/V
charge 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 into ISET1 pin V
ISET1
= 2 V 100 nA
CURRENT REGULATION – PRECHARGE
V
ISET2
ISET2 voltage range 2 V
Precharge current-set factor (amps of
K
ISET2
R
SENSE
= 10 mΩ 1 A/V
precharge current per volt on ISET2 pin)
V
IREG_PRECH
= 20 mV –4% 4%
Precharge current-regulation accuracy V
IREG_PRECH
= 5 mV –25% 25%
V
IREG_PRECH
= 1.5 mV (V
SRN
< 3.1 V) –55% 55%
I
ISET2
Leakage current into ISET2 pin V
ISET2
= 2V 100 nA
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