BQ25872 Datasheet, PDF (9/68 Pages) Texas Instruments – Battery Switch Charger

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bq25872
SLUSCQ6 – OCTOBER 2016
Electrical Characteristics (continued)
Unless otherwise noted, the specification in the following table applies over operating ambient temperature range –40 °C ≤ T_A
≤ 85 °C. Typical values are for T_A = 25 °C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
IBAT REG range
Programmable range
0
6.35
A
I_{BAT_REG}
I_{BAT_OCP}
IBAT REG step
IBAT REG accuracy
IBAT OCP rising
threshold
IBAT OCP falling
threshold
R_sense = 10 mΩ
IBAT_REG = 2 A, R_sense = 10 mΩ
IBAT_REG = 5 A, R_sense = 10 mΩ
Percentage of IBAT_REG threshold,
IBAT_REG = 6 A
Percentage of IBAT_REG threshold,
IBAT_REG = 6 A
–6.5%
–4%
50
105%
102.5%
mA
6.5%
2%
VBAT REG range
Programmable range
4.2
4.975
V
VBAT REG step size
12.5
mV
V_{BAT_REG}
V_{BAT_OVP}
VBAT REG accuracy
VBAT OVP rising
threshold
VBAT OVP falling
threshold
VBAT_REG = 4.35 V
VBAT_REG = 4.40 V
Percentage of VBAT_REG threshold,
VBAT_REG = 4.40 V
Percentage of VBAT_REG threshold,
VBAT_REG = 4.40 V
–1.5%
–1.5%
104%
102%
1.0%
1.0%
VOUT REG range
Programmable range
4.2
4.975
V
V_{OUT_REG}
VOUT REG step size
VOUT REG accuracy
VOUT_REG = 4.35 V
VOUT_REG = 4.40 V
–0.5%
–0.5%
25
mV
0.5%
0.5%
V_{OUT_OVP}
VOUT OVP rising
threshold
VOUT OVP falling
threshold
Percentage of VOUT_REG threshold,
VOUT_REG = 4.40 V
Percentage of VOUT_REG threshold,
VOUT_REG = 4.40 V
104%
102%
TS_BUS pin voltage
range
Programmable range
0.2
1.4
V
TS_{BUS_FLT}
TS_BUS step size
TS_BUS comparator
accuracy
TS_BUS = 0.4 V
TS_BUS = 0.7 V
–4.0%
–4.0%
25
mV
4.0%
4.0%
TS_BUS hysteresis
1%
TS_BAT pin voltage
range
Programmable range
0.2
1.4
V
TS_{BAT_FLT}
TS_BAT step size
TS_BAT comparator
accuracy
TS_BAT = 0.4 V
TS_BAT = 0.6 V
–2.5%
–2.5%
25
mV
2.5%
2.5%
TS_BAT hysteresis
1%
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