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LTM4677 Datasheet(PDF) 89 Page - Analog Devices

Part # LTM4677
Description  Dual Loop 8-Phase Step-Down DC/DC Controller with Digital Power System Management
PDF  110 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4677 Datasheet(HTML) 89 Page - Analog Devices

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LTC3888-1
89
Rev. 0
For more information www.analog.com
PMBus COMMAND DETAILS (External Temperature and Limits)
MFR_TEMP_1_GAIN
The MFR_TEMP_1_GAIN command sets the slope, in mV/°C, used in the calculation of external temperature based on
monitor ADC conversions of the shared TEMP/FAULT bus (TSNS pins).
This command has two data bytes in Linear_5s_11s format.
MFR_TEMP_1_OFFSET
The MFR_TEMP_1_OFFSET command sets the 0°C offset, in mV, used in the calculation of external temperature based
on monitor ADC conversions of the shared TEMP/FAULT bus (TSNS pins).
This command has two data bytes in Linear_5s_11s format.
OT_FAULT_LIMIT
The OT_FAULT_LIMIT command sets the value of sensed external temperature, in degrees Celsius, which causes an
overtemperature fault.
This command has two data bytes in Linear_5s_11s format.
OT_WARN_LIMIT
The OT_WARN_LIMIT command sets the value of sensed external temperature, in degrees Celsius, which causes an
overtemperature warning. If the OT_WARN_LIMIT is exceeded, the device:
• Sets the TEMPERATURE Bit in the STATUS_BYTE
• Sets the Overtemperature Warning Bit in the STATUS_TEMPERATURE Command
• Notifies the Host by Asserting ALERT, Unless Masked
This command has two data bytes in Linear_5s_11s format.
EXTERNAL TEMPERATURE AND LIMITS
COMMAND NAME
CMD
CODE DESCRIPTION
TYPE
PAGED
DATA
FORMAT UNITS NVM
DEFAULT
VALUE
MFR_TEMP_1_GAIN
0xF8 Slope for external temperature calculations.
R/W Word
Y
L11
mV/°C
l
8mV/°C
0xD200
MFR_TEMP_1_OFFSET
0xF9 0°C offset for external temperature
calculations.
R/W Word
Y
L11
mV
l
600mV
0x0258
OT_FAULT_LIMIT
0x4F External overtemperature fault limit.
R/W Word
Y
L11
°C
l
100.0°C
0xEB20
OT_WARN_LIMIT
0x51 External overtemperature warning limit.
R/W Word
Y
L11
°C
l
85.0°C
0xEAA8
Related commands: STATUS_TEMPERATURE, SMBALERT_MASK, READ_TEMPERATURE_1,MFR_TEMPERATURE1_PEAK, OT_FAULT_RESPONSE



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