Abstract: Disclosed is a millimeter wave-based switching power supply, including an input voltage circuit, an upper bridge inductor-inductor-capacitor (LLC) circuit and a lower bridge LLC circuit of a primary winding of a transformer, a millimeter wave switch control chip, and an output voltage circuit, where the upper bridge LLC circuit includes a first capacitor C1, an inductor L1, and an input end and an output end of the millimeter wave switch control chip; and the lower bridge LLC circuit includes a second capacitor C2, the inductor L1, and the output end and an earthing terminal of the millimeter wave switch control chip. By taking millimeter waves as a short distance transmission mode of carrier waves, either wireless transmission or signal isolation can be achieved through an antenna without an optocoupler and an extra isolation layer, so that high signal transmission speed, small delay and high efficiency can be guaranteed.

Abstract: Disclosed is a millimeter wave-based switching power supply, including an input voltage circuit, an upper bridge inductor-inductor-capacitor (LLC) circuit and a lower bridge LLC circuit of a primary winding of a transformer, a millimeter wave switch control chip, and an output voltage circuit, where the upper bridge LLC circuit includes a first capacitor C1, an inductor L1, and an input end and an output end of the millimeter wave switch control chip; and the lower bridge LLC circuit includes a second capacitor C2, the inductor L1, and the output end and an earthing terminal of the millimeter wave switch control chip. By taking millimeter waves as a short distance transmission mode of carrier waves, either wireless transmission or signal isolation can be achieved through an antenna without an optocoupler and an extra isolation layer, so that high signal transmission speed, small delay and high efficiency can be guaranteed.