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BQ25890_16 Datasheet, PDF (50/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode | |||
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bq25890, bq25892
SLUSC86B â MARCH 2015 â REVISED MAY 2016
www.ti.com
9.4.13 REG0C
Figure 38. REG0C
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 21. REG0C
Bit
Field
7
WATCHDOG_FAULT
6
BOOST_FAULT
5
CHRG_FAULT[1]
4
CHRG_FAULT[0]
3
BAT_FAULT
2
NTC_FAULT[2]
1
NTC_FAULT[1]
0
NTC_FAULT[0]
Type
R
Reset
N/A
R
N/A
R
N/A
R
N/A
R
N/A
R
N/A
R
N/A
R
N/A
Description
Watchdog Fault Status
Status 0 â Normal
1- Watchdog timer expiration
Boost Mode Fault Status
0 â Normal
1 â VBUS overloaded in OTG, or VBUS OVP, or battery is too low in
boost mode
Charge Fault Status
00 â Normal
01 â Input fault (VBUS > VACOV or VBAT < VBUS < VVBUSMIN(typical 3.8V)
)
10 - Thermal shutdown
11 â Charge Safety Timer Expiration
Battery Fault Status
0 â Normal
1 â BATOVP (VBAT > VBATOVP)
NTC Fault Status
Buck Mode:
000 â Normal
010 â TS Warm
011 â TS Cool
101 â TS Cold
110 â TS Hot
Boost Mode:
000 â Normal
101 â TS Cold
110 â TS Hot
50
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