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NetHAT temperature question
#1
Hello,
I'm using NetHAT module with STM32MP157C-DK2 board which has a port compatible with raspberry pi shields.
After a few minutes plugging in the module, it accumulates considerable heat even though it doesn't perform anything. I don't know how to describe it but it's  quiet hot.
The temperature is localized over the netx52 chip and also over the GPIO pins at a lesser extent.
The demo seems to works fine other than the fact that I got a bus error after a few seconds because I haven't configured a master yet.

Since I'm not using a RaspberryPi I was just wondering if this was normal behaviour, or could it be caused by bad gpio configuration of my board

Thanks
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#2
Hi there,

the technical paper about netX52 chip you will find here: https://kb.hilscher.com/pages/viewpage.a...d=84879912

It is consumung 1.5W of power during normal operation. And yes it is getting quite hot since the chip container the 2 PHYs for the two Ethernet ports. These two consume the most of the power. The Tj junction temperature is 125°C and without heat sink you can operate it in ambient air temperature of up to +70°C.

So no worries.

Thx
Armin
You never fail until you stop trying.“, Albert Einstein (1879 - 1955)

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