SMPS is the abbreviation of switching mode power supply, a kind of high-frequency power conversion device and a power supply device. Its function is to convert a level of voltage to the voltage or ...

Download this article in PDF format. If you search the internet for “transformer equivalent circuits,” you’ll get five pages of over 100 small circuit diagrams. Figures 1 and 2 show two typical ...

Editor's Note: Here's another take on the transformerless AC line power supply, which finds use in some well-insulated, low-power devices. Our technical reviewer pointed out that C ac should be an ...

A recently granted patent (Publication Number: US11777412B2) describes a switching power supply apparatus that includes a switching circuit and an even number of transformers. The switching circuit ...

Low-power circuits commonly use transformerless power supplies. However, the use of earth grounds in many of these circuits creates a serious problem that is often ignored. The very popular Microchip ...

Piezoelectric transformers and power converters represent a frontier in power electronics, harnessing the direct electromechanical coupling of piezoelectric materials to transform electrical energy ...