Increased power consumption when upgrading IDF-version

[olav_l]

Hi! We have been using ESP-IDF v3.3 until now, and I am currently working on upgrading to v5.3. During testing, I noticed that our device has a higher power consumption with the new IDF version. Even with an empty main function, the consumption is about 4% higher with v5.3 than with v3.3.

What could be the reason for this? Are there any menuconfig options I have missed that could help?

[aliarifat794]

Check the CPU frequency setting in menuconfig and adjust it if necessary. https://docs.espressif.com/projects/esp ... onfig.html

[olav_l]

Thanks for the reply!

In both cases, the default CPU frequency is 80 MHz. We are also using dynamic frequency scaling, and the increase in power consumption is there for all values of min_freq_mhz that I have tried.