https://devzone.nordicsemi.com/f/nordic-q-a/21388/sd-card-and-sleepHello, I use SDK 13 on nRF52832 with a SD card (nRF port of fatfs lib). I have a long sleep and i want to minimise current. With SD card, it&#39;s okay i switch off SD card power, set SPI in high z and current is 80 &#181;A Without SD card, the sameen-USTelligent Community 13Tue, 18 Apr 2017 12:10:13 GMThttps://devzone.nordicsemi.com/thread/83818?ContentTypeID=1Tue, 18 Apr 2017 12:10:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7bdd88a7-ffd6-4f6f-87db-12ce32c09433bjorn-spockeli<p>Which specific SD card are you using? I am a bit confused, you&#39;re seeing an increased current consumption if you do now have the SD card inserted/connected?</p><div style="clear:both;"></div>