March 03, 2021, 08:25:52 am

High Power POE

Started by ingkarlgauss, January 04, 2021, 10:26:58 am

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ingkarlgauss

Hi, I am testing the ESP32-POE and I am astonished how the POE components get hot. Does someone have come with a solution for this? Thanks.

LubOlimex

Some extra heat is expected considering the sizes of the board and components and that 50V go in Si3402 and only 5V go out.

Check the datasheet of the component that gets hot and consider if the temperature is within specification.

For example, Si3402-B has thermal shutdown set at 160 degrees Celsius.

Maybe place some piece of aluminium for passive cooling, or small fan for active cooling.

Technical support and documentation manager at Olimex

ingkarlgauss

Thanks for your answer Mr. Lub. I see your point. Nice evening, all the best.