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I’d be curious to see if they could read the PMIC temperature using our utility. From the latest BSP they should be able to issue a "sensors" command from the prompt and have it return the telemetry data (also the XADC data). If it is in a chamber or something, reading that temp should give us a relative temperature of what the “board” is seeing. Obviously I’d like to see a manual, thermocouple measurement of the device but I doubt they have that. The vivado report I’m sure makes assumptions about the operating environment as well as the size, type and airflow associated with the thermal solution. If these assumptions vary widely from reality that could be all of the error right there. Any chance we know what their actual thermal solution looks like vs what Vivado assumes it to be?