BQ25700A Datasheet, PDF (46/82 Pages) Texas Instruments – SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor

bq25700A
SLUSCQ8 – MAY 2017
www.ti.com
Table 22. ChargerStatus Register (SMBus address = 20h) Field Descriptions (continued)
SMBus
BIT
FIELD
4
SYSOVP_STAT
3
Reserved
2
Fault Latchoff
1
Fault_OTG_OVP
0
Fault_OTG_UCP
TYPE
R
R
R
R
R
RESET
0b
0b
0b
0b
0b
DESCRIPTION
SYSOVP Status and Clear
When the SYSOVP occurs, this bit is HIGH. During the SYSOVP,
the converter is disabled.
After the SYSOVP is removed, the user must write a 0 to this bit or
unplug the adapter to clear the SYSOVP condition to enable the
converter again.
0b: Not in SYSOVP <default at POR>
1b: In SYSOVP. When SYSOVP is removed, write 0 to clear the
SYSOVP latch.
Reserved
The faults are latched until a read from host.
0b: No fault
1b: Latch off (REG0x30[3])
The faults are latched until a read from host.
0b: No fault
1b: OTG OVP
The faults are latched until a read from host.
0b: No fault
1b: OTG OCP
46
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