BQ25890H Datasheet, PDF (47/66 Pages) Texas Instruments – I2C Controlled Single Cell 5-A Fast Charger

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BQ25890H
SLUSCC5 – SEPTEMBER 2016
8.4.13 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 20. 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 – Normal
1- Watchdog timer expiration
Boost Mode Fault Status
0 – Normal
1 – VBUS overloaded in OTG, or VBUS OVP, or battery is too low in
boost mode
Charge Fault Status
00 – Normal
01 – Input fault (VBUS > V_ACOV or VBAT < VBUS < V_VBUSMIN(typical 3.8V)
)
10 - Thermal shutdown
11 – Charge Safety Timer Expiration
Battery Fault Status
0 – Normal
1 – BATOVP (VBAT > V_BATOVP)
NTC Fault Status
Buck Mode:
000 – Normal
010 – TS Warm
011 – TS Cool
101 – TS Cold
110 – TS Hot
Boost Mode:
000 – Normal
101 – TS Cold
110 – TS Hot
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