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LTM4683
PMBus COMMAND DETAILS
MFR_COMMON
The MFR_COMMON command contains bits that are common to all ADI digital power and telemetry products.
BIT
MEANING
7
Module Not Driving ALERT Low
6
LTM4683 Not Busy
5
Calculations Not Pending
4
LTM4683 Outputs Not in Transition
3
NVM Initialized
2
Reserved
1
SHARE_CLK Timeout
0
WP Pin Status
This read-only command has one data byte.

TELEMETRY

COMMAND NAME
READ_VIN
READ_IIN
READ_VOUT
READ_IOUT
READ_TEMPERATURE_1
READ_TEMPERATURE_2
READ_FREQUENCY
READ_POUT
READ_PIN
MFR_PIN_ACCURACY
MFR_IOUT_PEAK
MFR_VOUT_PEAK
MFR_VIN_PEAK
MFR_TEMPERATURE_1_PEAK
MFR_READ_IIN_PEAK
MFR_READ_ICHIP
MFR_TEMPERATURE_2_PEAK
MFR_ADC_CONTROL
118
CMD
CODE DESCRIPTION
0x88
Measured input supply voltage
0x89
Measured input supply current
0x8B
Measured output voltage
0x8C
Measured output current
0x8D
Power stage temperature sensor. This is
the value used for all temperature-related
processing, including IOUT_CAL_GAIN.
0x8E
Internal junction temperature. Does not affect
any other controller commands.
0x95
Measured PWM switching frequency.
0x96
Calculated output power
0x97
Calculated input power
0xAC
Returns the accuracy of the READ_PIN command
0xD7
Report the maximum measured value of READ_
IOUT since the last MFR_CLEAR_PEAKS.
0xDD The maximum measured value of READ_VOUT
since the last MFR_CLEAR_PEAKS.
0xDE
The maximum measured value of READ_VIN
since the last MFR_CLEAR_PEAKS.
0xDF
The maximum measured value of external
Temperature (READ_TEMPERATURE_1) since
the last MFR_CLEAR_PEAKS.
0xE1
The maximum measured value of the READ_IIN
command since the last MFR_CLEAR_PEAKS.
0xE4
Measured current used by the LTM4683.
0xF4
Peak internal die temperature since the last
MFR_CLEAR_PEAKS.
0xD8
ADC telemetry parameter selected for repeated
fast ADC read back.
For more information
TYPE
PAGED FORMAT UNITS
R Word
N
R Word
N
R Word
Y
R Word
Y
R Word
Y
R Word
N
R Word
Y
R Word
Y
R Word
N
R Byte
N
R Word
Y
R Word
Y
R Word
N
R Word
Y
R Word
N
R Word
N
R Word
N
R/W Byte
N
www.analog.com
DEFAULT
NVM
VALUE
L11
V
NA
L11
A
NA
L16
V
NA
L11
A
NA
L11
C
NA
L11
C
NA
L11
Hz
NA
L11
W
NA
L11
W
NA
%
5.0%
L11
A
NA
L16
V
NA
L11
V
NA
L11
C
NA
L11
A
NA
L11
A
NA
L11
C
NA
N
Reg
NA
Rev. 0

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