LTC3882-1
88
Rev A
For more information
STATUS_INPUT
The STATUS_INPUT command returns one byte of V
IN
(VINSNS) status information.
STATUS_INPUT Message Contents:
BIT
MEANING
7
V
IN
overvoltage fault.
6
Not supported (LTC3882-1 returns 0).
5
V
IN
undervoltage warning.
4
Not supported (LTC3882-1 returns 0).
3
Unit off for insufficient V
IN
.
2:0
Not supported (LTC3882-1 returns 0).
ALERT
can be asserted if bit 7 is set. Bit 7 may be cleared by writing it to a 1, in lieu of a CLEAR_FAULTS command.
This command has one data byte.
STATUS_TEMPERATURE
The STATUS_TEMPERATURE command returns one byte of sensed external temperature status information.
STATUS_TEMPERATURE Message Contents:
BIT
MEANING
7
External overtemperature fault.
6
External overtemperature warning.
5
Not supported (LTC3882-1 returns 0).
4
External undertemperature fault.
3:0
Not supported (LTC3882-1 returns 0).
ALERT
can be asserted if any supported bits are set. Any supported bit may be cleared by writing a 1 to that bit position in STATUS_TEMPERATURE, in lieu
of a CLEAR_FAULTS command.
This command has one data byte.
STATUS_CML
The STATUS_CML command returns one byte of status information on received commands, internal memory and logic.
STATUS_CML Message Contents:
BIT
MEANING
7
Invalid or unsupported command received.
6
Invalid or unsupported data received.
5
Packet error check failed.
4
Memory fault detected.
3
Processor fault detected.
2
Reserved (LTC3882-1 returns 0).
1
Other communication fault.
0
Other memory or logic fault.
ALERT
can be asserted if any supported bits are set. Any supported bit may be cleared by writing a 1 to that bit position in STATUS_CML, in lieu of a
CLEAR_FAULTS command.
This command has one data byte.
PMBus COMMAND DETAILS
(Status Reporting)