BQ25872 Datasheet, PDF (50/68 Pages) Texas Instruments – Battery Switch Charger

bq25872
SLUSCQ6 – OCTOBER 2016
www.ti.com
8.5.27 REG1F and REG20 (TS_BUS_ADC)
Figure 46. REG1F and REG20 (TS_BUS_ADC)
REG1F
REG20
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 28. REG1F and REG20 (TS__BUS_ADC)
Register Bit Field
Reset
Type
Description
REG_RST Watchdog
EN
Indicates polarity of TS_BUS voltage. Always
7 TS_BUS_POL
R
Y
N
Y
positive.
0 - positive voltage
1 - negative voltage
6 TS_BUS_ADC [14]
R
Y
N
Y
16384 mV Voltage representation of ADC
5 TS_BUS_ADC [13]
R
REG1F
Y
N
Y
8192 mV
conversion of TS_BUS voltage.
Range: 0 V to 2.420 V
4 TS_BUS_ADC [12]
R
Y
N
Y
4096 mV Default: 0 V (0000000000000000)
3 TS_BUS_ADC [11]
R
Y
N
Y
2048 mV
2 TS_BUS_ADC [10]
R
Y
N
Y
1024 mV
1 TS_BUS_ADC [9]
R
Y
N
Y
512 mV
0 TS_BUS_ADC [8]
R
Y
N
Y
256 mV
7 TS_BUS_ADC [7]
R
Y
N
Y
128 mV
6 TS_BUS_ADC [6]
R
Y
N
Y
64 mV
5 TS_BUS_ADC [5]
R
Y
N
Y
32 mV
4 TS_BUS_ADC [4]
R
Y
N
Y
16 mV
REG20
3 TS_BUS_ADC [3]
R
Y
N
Y
8 mV
2 TS_BUS_ADC [2]
R
Y
N
Y
4 mV
1 TS_BUS_ADC [1]
R
Y
N
Y
2 mV
0 TS_BUS_ADC [0]
R
Y
N
Y
1 mV
50
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