BQ25890_16 Datasheet, PDF (49/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

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bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
9.4.12 REG0B
Figure 37. REG0B
7
6
5
4
3
2
1
0
x
x
x
x
x
x
x
x
R
R
R
R
R
R
R
R
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 20. REG0B
Bit
Field
7
VBUS_STAT[2]
6
VBUS_STAT[1]
5
VBUS_STAT[0]
4
CHRG_STAT[1]
3
CHRG_STAT[0]
2
PG_STAT
1
Reserved
0
VSYS_STAT
Type
R
R
Reset
N/A
N/A
R
N/A
R
N/A
R
N/A
R
N/A
R
N/A
Description
VBUS Status register
bq25890
000: No Input 001: USB Host SDP
010: USB CDP (1.5A)
011: USB DCP (3.25A)
100: Adjustable High Voltage DCP (MaxCharge) (1.5A)
101: Unknown Adapter (500mA)
110: Non-Standard Adapter (1A/2A/2.1A/2.4A)
111: OTG
bq25892
000: No Input
001: USB Host SDP
010: Adapter (3.25A)
111: OTG
Note: Software current limit is reported in IINLIM register
Charging Status
00 – Not Charging
01 – Pre-charge ( < V_BATLOWV)
10 – Fast Charging
11 – Charge Termination Done
Power Good Status
0 – Not Power Good
1 – Power Good
Reserved: Always reads 0
VSYS Regulation Status
0 – Not in VSYSMIN regulation (BAT > VSYSMIN)
1 – In VSYSMIN regulation (BAT < VSYSMIN)
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