Tech Xplore on MSN

Simplified power factor correction: Sensorless control could enable smaller, more reliable electronic adapters

Single-phase power factor correction (PFC) circuits—a kind of front-end AC/DC converters—are ubiquitous in a variety of ...
EDN

Power Tips #107: AC/DC power-supply startup considerations for PMDC motor loads

Permanent magnet DC (PMDC) motors offer smaller solution size and increased efficiency in applications such as portable vacuums and cordless electric power tools. When designing an isolated power ...
SlashGear

Do Batteries Use AC Or DC Current? (And Why Does It Matter?)

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...
EDN

An Overview of AC/DC Power Supplies

AC/DC power supplies are used in several electronic devices, encompassing computers, smartphones, radios, and TVs. AC/DC power supplies come in many dimensions and configurations, tailored to suit the ...
Electronic Design

What’s the Difference in Switching Design Between AC and DC Power Relays?

Power relays are specifically designed to handle either AC or DC. It’s important to know the fundamental differences between them before building them into a system. Introduction to AC and DC Power ...
Electronic Design

Power Supply Controls AC-DC and DC-DC Conversion with Single MCU

A new reference design developed by ROHM Semiconductor uses a single microcontroller (MCU) to control both sides of the AC-DC power supply — the power-factor-correction (PFC) AC-DC converter stage and ...