https://devzone.nordicsemi.com/f/nordic-q-a/70832/nrf52810-high-sleep-current-systemon-modeI&#39;m developing a beacon application using the Fanstel BT832AF, which uses the nRF52810 internally. This unit is mounted to a custom board, but before raising a private ticket I wanted to see if the community had seen similar. Using the PPK-II&#39;s Ampereen-USTelligent Community 13Tue, 26 Jan 2021 19:08:15 GMThttps://devzone.nordicsemi.com/thread/291373?ContentTypeID=1Tue, 26 Jan 2021 19:08:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3ebb7520-5803-4e62-8231-80493903be25Atoo508<p>Thanks, I gave this a try and was able to pin-point the issue. It turns out I&#39;d left a stray GPIO output config way at the top of main, and this alone was consuming the 350uA.&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/290860?ContentTypeID=1Sat, 23 Jan 2021 20:40:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:694d83fd-4480-4cae-aebb-522c1182c4a4Nguyen Hoan Hoang<p>First is to try idle without initializing anything at all. &nbsp;Then init each periph one by one until you find the one that cause it.&nbsp;</p><div style="clear:both;"></div>