QDrives , 07-21-2024, 07:52 PM
First of - why do you want to add a keep out below your DC-DC converter?https://www.signalintegrityjournal.com/blogs/17-practical-emc/post/2694-dc-dc-converters-solid-return-plane-or-cutouts-under-switch-node-and-inductorhttps://www.monolithicpower.com/en/learning/resources/switch-node-layout-considerations-for-emchttps://www.monolithicpower.com/learning/resources/when-is-it-beneficial-to-place-a-copper-layer-beneath-dc-dc-power-suppliesAs for the leep-out: no, you cannot state to which layers the keep-out applies.You can place polygon pour cutouts on layers.You can place a room and add some special rules, like "routing layers".