Enabling PM_DEVICE raises idle current consumption on LPUART

[henk9876]

I need both zephyr power device management and the low power features of LPUART in my project.

However, enabling PM_DEVICE raises idle current consumption by quite a bit.

Testing with the lpuart sample on NCS 2.9.0 on the nRF9160-DK, measuring with PPK2, I get 5uA without PM_DEVICE, but around 20uA with PM_DEVICE enabled. On the nRF52840-DK results are similar.

[Einar Thorsrud]

Hi,I wonder if what you are seeing is related to the issue discussed here?