Working temperature and WiFi transmission

Die_32_
Posts: 58
Joined: Wed May 05, 2021 2:42 pm

Working temperature and WiFi transmission

Postby Die_32_ » Tue May 11, 2021 8:20 am

Hi,

Does the ESP32-WROOM-32UE has a kind of thermal shutdown for the Wifi transmission ?

It seems that if ambient temperature is greater than 85 °C it stops the Wifi transmission, until it reachs (more or less) 25 °C ambient temperature.

Does it has a kind of thermal protection ?

Thanks

ESP_Sprite
Posts: 8884
Joined: Thu Nov 26, 2015 4:08 am

Re: Working temperature and WiFi transmission

Postby ESP_Sprite » Tue May 11, 2021 8:27 am

Do you specifically have the high-temperature version of that chip? The 'normal' version is only specified up till 85C. (Also, what do you mean with 'stops the wifi transmission'? What does the software do at that point?)

Die_32_
Posts: 58
Joined: Wed May 05, 2021 2:42 pm

Re: Working temperature and WiFi transmission

Postby Die_32_ » Tue May 11, 2021 9:31 am

(Also, what do you mean with 'stops the wifi transmission'? What does the software do at that point?)
It seems that the module itself stops the Wifi transmission, until it cool down itself.

Could it be ?

WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: Working temperature and WiFi transmission

Postby WiFive » Tue May 11, 2021 11:07 pm

What does the log say

Die_32_
Posts: 58
Joined: Wed May 05, 2021 2:42 pm

Re: Working temperature and WiFi transmission

Postby Die_32_ » Wed May 12, 2021 7:28 am

I do not have any logs, I'm actually wondering if there is this kind of themperature protection on the ESP32 ?

ESP_Sprite
Posts: 8884
Joined: Thu Nov 26, 2015 4:08 am

Re: Working temperature and WiFi transmission

Postby ESP_Sprite » Thu May 13, 2021 1:39 am

No, there is not, hence us asking for the logs

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