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Cotek AD-1500 - Supported Pmbus Commands

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23
The detail exponent and resolution of main parameter is summarized as below:
Exponent Resolution
For commands that report the output voltage, the module supports the linear data
format consisting of a two bytes value with a 16-bit, unsigned mantissa, and a fixed
exponent of -12. The format of the two data bytes as shown below:
The equation can be written as:
Vout = Mantissa x 2-12
2-6. Supported PMBus Commands
Cmd
Code
Command
Name
Type
#
bytes
Default
Comments
0x01
OPERATION
R/W-E
1
0x00
0x80: Turn ON, 0x00: Turn OFF
0x10
WRITE_
PROTECT
R/W-E
1
0x80
Write protected at power up by default
0x80: Disable all writes except
WRITE_PROTECT
0x00: Enable writes to all commands
Needs to be 0x00 to enable write