BQ25872 Datasheet, PDF (42/68 Pages) Texas Instruments – Battery Switch Charger

bq25872
SLUSCQ6 – OCTOBER 2016
www.ti.com
8.5.16 REG0E (VBAT_REG)
Figure 35. REG0E (VBAT_REG)
7
6
5
4
3
2
1
0
0
0
0
0
1
0
0
0
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 17. REG0E (VBAT_REG)
Bit Field
7 Reserved
6 VBAT_REG[6]
5 VBAT_REG[5]
4 VBAT_REG[4]
3 VBAT_REG[3]
2 VBAT_REG[2]
1 VBAT_REG[1]
0 VBAT_REG[0]
Reset
Type
Description
REG_RST Watchdog
EN
R
Y
N
Y
Reserved bit. Always read 0.
R/W
Y
N
Y
800 mV Battery voltage regulation threshold
R/W
Y
N
Y
400 mV
Offset: 4.2 V
Range: 4.2 V to 4.975 V
R/W
Y
N
Y
200 mV Default: 4.3 V (00001000)
R/W
Y
N
Y
100 mV
R/W
Y
N
Y
50 mV
R/W
Y
N
Y
25 mV
R/W
Y
N
Y
12.5 mV
8.5.17 REG0F (IBAT_REG)
Figure 36. REG0F (IBAT_REG)
7
6
5
4
3
2
1
0
0
0
1
0
1
0
0
0
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Bit Field
7 Reserved
6 IBAT_REG[6]
5 IBAT_REG[5]
4 IBAT_REG[4]
3 IBAT_REG[3]
2 IBAT_REG[2]
1 IBAT_REG[1]
0 IBAT_REG[0]
Table 18. REG0F (IBAT_REG)
Reset
Type _{REG_R Watchd}
ST
og
EN
Description
R
Y
N
Y Reserved bit. Always read 0.
R/W
Y
N
Y 3200 mA Battery current regulation threshold
R/W
Y
N
Y
1600 mA
Offset: 0 A
Range: 0 A to 6.35 A
R/W
Y
N
Y 800 mA Default: 2 A (00101000)
R/W
Y
N
Y 400 mA
R/W
Y
N
Y 200 mA
R/W
Y
N
Y 100 mA
R/W
Y
N
Y 50 mA
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