BQ25872 Datasheet, PDF (34/68 Pages) Texas Instruments – Battery Switch Charger

bq25872
SLUSCQ6 – OCTOBER 2016
www.ti.com
8.5.6 REG04 (EVENT_2)
Figure 25. REG04 (EVENT_2)
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 7. REG04 (EVENT_2)
Bit Field
Reset
Type
Description
REG_RST Watchdog EN
7 Reserved
R
N/A
N/A
N/A Reserved bit. Always reads 0.
6 ADC_DONE.
Indicates if ADC conversion is complete for the required
parameters in 1-shot mode only. This bit will change to '0'
when an ADC conversion is is requested in 1-shot mode,
R
Y
N
Y
and it will change back to '1' when the conversion is
complete. During continuous conversion mode, this bit will
be '0'.
0 – conversion not complete (default)
1 – conversion complete
5 VDROP_ALM
Indicates if VDROP_ALM threshold is reached
R
Y
N
Y
0 – no fault (default)
1 – VDROP_ALM fault
Indicates if VDROP_OVP threshold is reached. Battery
4 VDROP_OVP_FLT
R
Y
N
Y
switch is disabled.
0 – no fault (default)
1 – VDROP_OVP fault
Indicates if VBUS is detected. \INT toggles when VBUS is
3 VBUS_INSERT
R
Y
N
Y
inserted but does not toggle when VBUS is removed.
0 – VBUS not inserted (default)
1 – VBUS inserted
2 BAT_INSERT
Indicates if battery is detected. \INT toggles when battery is
R
Y
N
Y
inserted but does not toggle when battery is removed.
0 – Battery not inserted (default)
1 – Battery inserted
1 TSHUT_FLT
IC thermal shutdown indictator. Battery switch is disabled.
R/W
Y
N
Y
0 – no fault (default)
1 – IC thermal shutdown fault
IBUS over current fault. This bit is set when IBUS exceeds
0 IBUS_OCP_FLT
R/W
Y
N
Y
IBUS_OCP register. Battery switch is disabled.
0 – no fault (default)
1 – IBUS over current fault
34
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