https://devzone.nordicsemi.com/f/nordic-q-a/117986/pmic1300-turn-buck1-on-off-in-firmwareI have a device with 3 major components: Fanstel nrf52840 PMIC1300 spi display (Waveshare 2.13inch E-Ink Display) PMIC: BUCK1: power Fanstel BUCK2: power display I&#39;m not using the LDO&#39;s I would like to control power to the displayen-USTelligent Community 13Mon, 13 Jan 2025 12:27:24 GMThttps://devzone.nordicsemi.com/thread/518144?ContentTypeID=1Mon, 13 Jan 2025 12:27:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d8c21dab-f372-424d-b5a2-227c67b52904runsiv<p>No problem, happy to help</p> <p>Regards</p> <p>Runar</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/518117?ContentTypeID=1Mon, 13 Jan 2025 10:22:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5e27b525-5b91-41b4-9dc3-6730bc769015mej7000<p>Perfect! Thanks!!</p> <p><br /><pre class="ui-code" data-mode="text"> if(regulator_is_enabled(buck1)){ regulator_disable(buck1); } else{ regulator_enable(buck1); }</pre></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/518091?ContentTypeID=1Mon, 13 Jan 2025 07:47:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6cee554f-b026-42c8-b3d8-38db5d15fbe6runsiv<p>Hi</p> <p>You can use the <a href="https://github.com/nrfconnect/sdk-zephyr/blob/main/drivers/regulator/regulator_npm1300.c">regulator api</a> for this <a href="https://github.com/nrfconnect/sdk-zephyr/blob/main/drivers/regulator/regulator_common.c">zephyr api&nbsp;<br /></a></p> <p>And then you can do something like this</p> <p><code>static const struct device *buck1 = DEVICE_DT_GET(DT_NODELABEL(npm1300_ek_buck1));</code><br /><code>...</code><br /><code>regulator_enable(buck1);</code><br /><code>regulator_disable(buck1);</code></p> <p><code>Regards</code></p> <p><code>Runar</code></p><div style="clear:both;"></div>