https://devzone.nordicsemi.com/f/nordic-q-a/101140/high-current-in-ble-connected-modeHi, i use SDK17.02,and my boards is NRF52833 ， I found that when the Bluetooth connection, the machine current has 220ua, what is the problem? my connecte interval is 7.5MS. SDH config as:en-USTelligent Community 13Sun, 25 Jun 2023 02:10:30 GMThttps://devzone.nordicsemi.com/thread/432807?ContentTypeID=1Sun, 25 Jun 2023 02:10:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:effe7c5b-cb76-4460-bd1e-af121f1fc9a3summer<p>hi , I&#39;ve solved the problem, i config the softdevice clock as NRF_CLOCK_LE_SRC_RC</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/432661?ContentTypeID=1Fri, 23 Jun 2023 11:09:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c4c365d9-3f2c-419c-8bde-ece86209b312Jared<p>Hi,</p> <p>I have some questions:</p> <ol> <li>How are you measuring the current?</li> <li>What TX power are you using?</li> <li>What supply voltage are you using?</li> <li>Is DC/DC enabled?</li> <li>Are you using a custom board or development kit?</li> </ol> <p>regards</p> <p>Jared&nbsp;</p><div style="clear:both;"></div>