We have a product that was built on NRF SDK 1.6.1, which is zephyr 2.6 as far as I can tell. We have ported it to zephyr SDK 3.7 (not NRF SDK) because there have been many improvements in zephyr. On the new zephyr version, the current draw of our device is up to 10mA higher than the old version. We needed to redo our device tree since the zephyr device tree design has changed, so it is possible there is a difference in it.
There are many things that have changed between the zephyr versions, so it is hard for us to determine what is causing the increased current draw. Are there any changes between the zephyr versions that are known to cause increased power consumption? Are there any good places to look where we needed to update our code that would increase the power consumption?
