BQ25872 Datasheet, PDF (10/68 Pages) Texas Instruments – Battery Switch Charger

bq25872
SLUSCQ6 – OCTOBER 2016
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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
INTEGRATED ADC: temperature range: 0°C ≤ T_A ≤ 85°C
ADC_RES
Resolution
t_{ADC_CONV}
ADC individual
measurement and
conversion time
10 bits
30
µs
t_{ADC_INT}
ADC samples interval in
averaging mode
300
µs
RANGE_IBAT
IBAT current
measurement range
0
7.504
A
RES_IBAT
ACC_IBAT
RANGE_IBUS
IBAT current LSB
IBAT accuracy
IBUS current
measurement range
IBAT = 6 A
–2%
0
8
mA
2%
7.504
A
RES_IBUS
ACC_IBUS
ACC_IBUS
RANGE_VBUS
IBUS current LSB
IBUS accuracy
IBUS accuracy
VBUS voltage
measurement range
IBUS = 1.6 A
IBUS = 5 A
–5%
–4.5%
2.048
8
mA
5%
4.5%
6.140
V
RES_VBUS
ACC_VBUS
RANGE_VUSB
VBUS voltage LSB
VBUS accuracy
VUSB voltage
measurement range
VBUS = 4.5 V
–20
2.048
4
mV
20 mV
6.140
V
RES_VUSB
ACC_VUSB
RANGE_VBAT
VUSB voltage LSB
VUSB accuracy
VBAT voltage
measurement range
VUSB = 4.5 V
–20
2.048
4
mV
20 mV
6.140
V
RES_VBAT
ACC_VBAT
RANGE_VOUT
VBAT voltage LSB
VBAT accuracy
VOUT voltage
measurement range
VBAT = 4.4 V
-12
2.048
4
mV
12 mV
6.140
V
RES_VOUT
ACC_VOUT
RANGE_VDROP
VOUT voltage LSB
VOUT accuracy
VDROP voltage
measurement range
VOUT = 4.4 V
4
mV
-12
12 mV
0
1000 mV
RES_VDROP
ACC_VDROP
RANGE_{TS_BUS}
VDROP voltage LSB
VDROP accuracy
TS_BUS voltage
measurement range
VDROP = 200 mV
1
mV
-10
10 mV
0
2.420
V
RES_{TS_BUS}
ACC_{TS_BUS}
RANGE_{TS_BAT}
TS_BUS voltage LSB
TS_BUS accuracy
TS_BAT voltage
measurement range
TS_BUS = 400 mV
-13.4
0
4
mV
13.4 mV
2.420
V
RES_{TS_BAT}
ACC_{TS_BAT}
TS_BAT voltage LSB
TS_BAT accuracy
TS_BAT = 400 mV
-13.4
4
mV
13.4 mV
10
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