nRF52840 LPCOMP power consumption?

[dark0]

I've build a custom board with the nRF52840. 

I've noticed that the current consumption of the LPCOMP is not ~0.5uA, as specified in the datasheet, but in my case, when I activate this peripheral, it is about 20uA. 

When I stop the comparator, by commenting the line `nrf_lpcomp_task_trigger(NRF_LPCOMP_TASK_START);` in nrfx_lpcomp_enable(), my board consumes only 5uA. With the LPCOMP started, I measure 25uA. 

Is it any current consumption issue with this peripheral ? 

Thanks.

Darko

[Prakash Rajiah]

Hi Darko. 

I am still seeing the same issue as well. It looks nordic refers that the LPCOMP will take 20uA in system ON mode and 0.5uA on System OFF mode , which is not good at all. 

https://devzone.nordicsemi.com/f/nordic-q-a/42874/nrf52840-sleep-system-on-wake-on-lpcomp---unexpectedly-high-power-consumption/167585#167585