BQ25890_16 Datasheet, PDF (53/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

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bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
9.4.18 REG11
Figure 43. REG11
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
Table 26. REG11
Bit
Field
7
VBUS_GD
6
VBUSV[6]
5
VBUSV[5]
4
VBUSV[4]
3
VBUSV[3]
2
VBUSV[2]
1
VBUSV[1]
0
VBUSV[0]
Type
R
R
R
R
R
R
R
R
Reset
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Description
VBUS Good Status
0 – Not VBUS attached
1 – VBUS Attached
6400mV
3200mV
1600mV
800mV
400mV
ADC conversion of VBUS voltage (V_BUS)
Offset: 2.6V
Range 2.6V (0000000) – 15.3V (1111111)
Default: 2.6V (0000000)
200mV
100mV
9.4.19 REG12
Figure 44. REG12
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
Unused
6
ICHGR[6]
5
ICHGR[5]
4
ICHGR[4]
3
ICHGR[3]
2
ICHGR[2]
1
ICHGR[1]
0
ICHGR[0]
Table 27. REG12
Type
R
R
R
R
R
R
R
R
Reset
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Description
Always reads 0
3200mV
1600mV
800mV
400mV
200mV
100mV
ADC conversion of Charge Current (I_BAT) when V_BAT >
V_BATSHORT
Offset: 0mA
Range 0mA (0000000) – 6350mA (1111111)
Default: 0mA (0000000)
Note:
This register returns 0000000 for V_BAT < V_BATSHORT
50mV
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