BQ25890_16 Datasheet, PDF (48/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
9.4.11 REG0A
Figure 36. REG0A
7
6
5
4
3
2
1
0
1
1
1
0
0
1
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 19. REG0A
Bit
Field
7
BOOSTV[3]
6
BOOSTV[2]
5
BOOSTV[1]
4
BOOSTV[0]
3
Reserved
2
BOOST_LIM[2]
1
BOOST_LIM[1]
0
BOOST_LIM[0]
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
by Softwareby
by Watchdog
by Softwareby
by Watchdog
by Softwareby
by Softwareby
by Watchdog
by Software
by Watchdog
by Software
by Watchdog
by Software
by Watchdog
by Software
by Watchdog
Description
512mV
256mV
128mV
64mV
Boost Mode Voltage Regulation
Offset: 4.55V
Range: 4.55V – 5.51V
Default:4.998V(0111)
Reserved (default = 0)
000: 0.5A
001: 0.75A
010: 1.2A
011: 1.4A
100: 1.65A
101: 1.875A
110: 2.15A
111: 2.45A
Boost Mode Current Limit
Default: 1.4A (011)
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0
1
R/W
48
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