A tiny DC to DC buck converter board is useful for many applications, especially if it could deliver currents up to 3A (2A continuously without heatsink). In this article, we will learn to build a small, efficient, and cheap buck converter circuit.
Full Article: https://www.pcbway.com/blog/technology/DC_to_DC_Buck_Converter_Adjustable__97__Efficient__3A.html
MP2315 Library: https://componentsearchengine.com/part.php?partID=930350
Altium Plugin: https://www.samacsys.com/altium-designer-library-instructions