TPF45000-385
POWER SUPPLY
OPERATION MANUAL
15
3 February 2022
PMBus COMMAND SET
OPERATION MODE
This command is used to set the way you control the output of the TPF45000-385. Setting the Operation Mode to “
Remote
Mode
”
allow you to control the output using the “OPERATION ON/OFF” command via the I
2
C
only.
In the “
Local Mode
”
you can control the output using the “PSON” pins on the Signals connector only.
The default is the “
Local Mode
”.
Command code
Type
Data sent
D8h
R/W Byte
00h=Remote
D8h
R/W Byte
80h=Local
OPERATION (ON/OFF)
If the TPF45000-385 is turned OFF with the “
OPERATION OFF
” command, it can be turned ON with the “
OPERATION
ON
” command.
Command code
Type
Data sent
01h
R/W Byte
00h=OFF
01h
R/W Byte
80h=ON
Note:
This command will not work in the
“
Local Mode
”.
CLEAR_FAULTS
This command is used to clear the “STATUS REGISTERS” after any fault occurs.
If the CLEAR_FAULTS command is not sent after any fault occurs, the “STATUS REGISTERS” will not be cleared.
ALERT signal will remain “LOW” until a “CLEAR_FAULTS” command is sent.
If a Fault or Warning is still present after “CLEAR_FAULTS” is sent, “STATUS REGISTERS” will be updated and the
ALERT signal will be “LOW” again.
Command code
Type
#Data bytes
03h
Send Byte
0
