BQ25872 Datasheet, PDF (49/68 Pages) Texas Instruments – Battery Switch Charger

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bq25872
SLUSCQ6 – OCTOBER 2016
8.5.26 REG1D and REG1E (IBAT_ADC)
Figure 45. REG1D and REG1E (IBAT_ADC)
REG1D
REG1E
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 27. REG1D and REG1E (IBAT_ADC)
Register Bit Field
REG1D
REG1E
7 IBAT_POL
6 IBAT_ADC[14]
5 IBAT_ADC[13]
4 IBAT_ADC[12]
3 IBAT_ADC[11]
2 IBAT_ADC[10]
1 IBAT_ADC[9]
0 IBAT_ADC[8]
7 IBAT_ADC[7]
6 IBAT_ADC[6]
5 IBAT_ADC[5]
4 IBAT_ADC[4]
3 IBAT_ADC[3]
2 IBAT_ADC[2]
1 IBAT_ADC[1]
0 IBAT_ADC[0]
Reset
Type
Description
REG_RST Watchdog
EN
Indicates polarity of battery current.
R
Y
N
Y
0 - positive voltage (default)
1 - negative voltage
R
Y
N
Y
16384 mV Voltage representation of ADC
R
Y
N
Y
8192 mV
conversion of VBUS voltage.
Range: 0 A to 7.104 A
R
Y
N
Y
4096 mV Default: 0 A(0000000000000000)
R
Y
N
Y
2048 mV
R
Y
N
Y
1024 mV
R
Y
N
Y
512 mV
R
Y
N
Y
256 mV
R
Y
N
Y
128 mV
R
Y
N
Y
64 mV
R
Y
N
Y
32 mV
R
Y
N
Y
16 mV
R
Y
N
Y
8 mV
R
Y
N
Y
4 mV
R
Y
N
Y
2 mV
R
Y
N
Y
1 mV
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