BQ25872 Datasheet, PDF (51/68 Pages) Texas Instruments – Battery Switch Charger

www.ti.com
bq25872
SLUSCQ6 – OCTOBER 2016
8.5.28 REG21 and REG22 (TS_BAT_ADC)
Figure 47. REG21 and REG22 (TS_BAT_ADC)
REG21
REG22
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 29. REG21 and REG22 (TS_BAT_ADC)
Register Bit Field
Reset
Type
Description
REG_RST Watchdog
EN
7 TS_BAT_POL
Indicates polarity of TS_BAT voltage. Always
R
Y
N
Y
positive.
0 - positive voltage
1 - negative voltage
6 TS_BAT_ADC [14]
R
Y
N
Y
16384 mV Voltage representation of ADC
5 TS_BAT_ADC [13]
R
REG21
Y
N
Y
8192 mV
conversion of TS_BAT voltage.
Range: 0 V to 2.420 V
4 TS_BAT_ADC [12]
R
Y
N
Y
4096 mV Default: 0 V (0000000000000000)
3 TS_BAT_ADC [11]
R
Y
N
Y
2048 mV
2 TS_BAT_ADC [10]
R
Y
N
Y
1024 mV
1 TS_BAT_ADC [9]
R
Y
N
Y
512 mV
0 TS_BAT_ADC [8]
R
Y
N
Y
256 mV
7 TS_BAT_ADC [7]
R
Y
N
Y
128 mV
6 TS_BAT_ADC [6]
R
Y
N
Y
64 mV
5 TS_BAT_ADC [5]
R
Y
N
Y
32 mV
4 TS_BAT_ADC [4]
R
Y
N
Y
16 mV
REG22
3 TS_BAT_ADC [3]
R
Y
N
Y
8 mV
2 TS_BAT_ADC [2]
R
Y
N
Y
4 mV
1 TS_BAT_ADC [1]
R
Y
N
Y
2 mV
0 TS_BAT_ADC [0]
R
Y
N
Y
1 mV
8.5.29 REG 23 (TDIE_ADC)
Figure 48. REG23 (TDIE_ADC)
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Bit Field
7 DIE_TEMP_ADC [7]
6 DIE_TEMP_ADC [6]
5 DIE_TEMP_ADC [5]
4 DIE_TEMP_ADC [4]
3 DIE_TEMP_ADC [3]
2 DIE_TEMP_ADC [2]
1 DIE_TEMP_ADC [1]
0 DIE_TEMP_ADC [0]
Type
R
R
R
R
R
R
R
R
Table 30. REG23 (TDIE_ADC)
Reset
Description
REG_RST Watchdog
EN
Y
N
Y
128°C
Temperature representation of ADC
Y
N
Y
64°C
conversion of die junction temperature.
Range: 25°C to 150°C
Y
N
Y
32°C
Default: 0°C (0000000000000000)
Y
N
Y
16°C
Y
N
Y
8°C
Y
N
Y
4°C
Y
N
Y
2°C
Y
N
Y
1°C
Copyright © 2016, Texas Instruments Incorporated
Product Folder Links: bq25872
Submit Documentation Feedback
51