What is a switch mode power supply and how does it work in electronics? A Switch Mode Power Supply (SMPS) is an electronic power supply that incorporates a switching regulator to efficiently convert electrical power. It is widely used in various applications, from consumer electronics to industrial equipment, due to its high efficiency and compact size. #switch mode power supply https://www.quora.com/What-is-a-switch-mode-power-supply-and-how-does-it-work-in-electronics/answer/Connectwell-Global?prompt_topic_bio=1