Hloov hom hwj huam mov (TSOS MOB), Kuj hu ua hloov hom hwj huam mov los yog hloov converter, Yog ib tug high-frequency hluav taws xob zog conversion ntaus thiab ib hom hwj huam mov. Its function is to convert a precise voltage into the voltage or current required by the user through different forms of architecture. The input of a switching power supply is mostly an AC power supply (such as mains power) or a DC power supply, while the output is mostly a device that requires a DC power supply, such as a personal computer, and the switching power supply converts the voltage and current between the two.