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LTC2972 Datasheet(PDF) 75 Page - Linear Technology

Part # LTC2972
Description  2-Channel PMBus Power System Manager Featuring Programmable Power Good Outputs
PDF  112 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2972 Datasheet(HTML) 75 Page - Linear Technology

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LTC2972
75
2972fa
For more information www.linear.com/LTC2972
READ_VIN
This command returns the most recent ADC measured value of the input voltage at the VIN_SNS pin.
READ_IIN
This command returns the most recent ADC measured value of the input current derived from the voltage difference
between the IIN_SNSP and IIN_SNSM pins. The READ_IIN value reported is automatically corrected to account for
the range selected by Mfr_ein_config_iin_range[1:0].
READ_PIN
This command returns the most recent ADC measured value of the input power in watts. This is the product of READ_IIN
and READ_VIN.
READ_VOUT
This command returns the most recent ADC measured value of the channel’s output voltage.
TELEMETRY
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE PAGED FORMAT UNITS EEPROM
DEFAULT
VALUE
REF
PAGE
READ_VIN
0x88 Input supply voltage.
R Word
N
L11
V
NA
75
READ_IIN
0x89 DC/DC converter input current.
R Word
Y
L11
A
NA
75
READ_PIN
0x97 DC/DC converter input power.
R Word
Y
L11
W
NA
75
READ_VOUT
0x8B DC/DC converter output voltage.
R Word
Y
L16
V
NA
75
READ_IOUT
0x8C DC/DC converter output current.
R Word
Y
L11
A
NA
76
READ_TEMPERATURE_1
0x8D External diode junction temperature. This is the value
used for all temperature related processing, including
IOUT_CAL_GAIN.
R Word
Y
L11
°C
NA
76
READ_TEMPERATURE_2
0x8E Internal junction temperature.
R Word
N
L11
°C
NA
76
READ_POUT
0x96 DC/DC converter output power.
R Word
Y
L11
W
NA
77
MFR_READ_IOUT
0xBB Alternate data format for READ_IOUT. One LSB =
2.5mA.
R Word
Y
CF
2.5mA
NA
77
MFR_IIN_PEAK
0xC4 Maximum measured value of READ_IIN
R Word
Y
L11
A
NA
76
MFR_IIN_MIN
0xC5 Minimum measured value of READ_IIN.
R Word
Y
L11
A
NA
76
MFR_PIN_PEAK
0xC6 Maximum measured value of READ_PIN.
R Word
Y
L11
W
NA
76
MFR_PIN_MIN
0xC7 Minimum measured value of READ_PIN.
R Word
Y
L11
W
NA
76
MFR_IOUT_SENSE_VOLTAGE 0xFA Absolute value of VISENSEP – VISENSEM. One LSB =
3.05µV or 91.5µV.
R Word
Y
CF
µV
NA
78
MFR_VIN_PEAK
0xDE Maximum measured value of READ_VIN.
R Word
N
L11
V
NA
78
MFR_VOUT_PEAK
0xDD Maximum measured value of READ_VOUT.
R Word
Y
L16
V
NA
78
MFR_IOUT_PEAK
0xD7 Maximum measured value of READ_IOUT.
R Word
Y
L11
A
NA
78
MFR_TEMPERATURE_1_PEAK 0xDF Maximum measured value of READ_TEMPERATURE_1. R Word
Y
L11
°C
NA
78
MFR_VIN_MIN
0xFC Minimum measured value of READ_VIN.
R Word
N
L11
V
NA
78
MFR_VOUT_MIN
0xFB Minimum measured value of READ_VOUT.
R Word
Y
L16
V
NA
78
MFR_IOUT_MIN
0xD8 Minimum measured value of READ_IOUT.
R Word
Y
L11
A
NA
79
MFR_TEMPERATURE_1_MIN 0xFD Minimum measured value of READ_TEMPERATURE_1. R Word
Y
L11
°C
NA
79
PMBus COMMAND DESCRIPTION



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