Why rigid control of power grid frequency should be a thing of the past

Explore how flexible grid frequency management can enhance reliability, affordability, and clean energy integration in modern ...
Electronic Design

Power-Supply Architecture Fuses Digital and Analog Control

The digital control of switching power supplies is firmly established in everything from EV onboard chargers (OBCs) to power-supply units (PSUs) in AI data centers to renewable-energy systems that ...
EDN

How to design a digital-controlled PFC, Part 1

An AC/DC power supply with input power greater than 75 W requires power factor correction (PFC) to: Take the universal AC input (90 V to 264 V) and rectify that input to a DC voltage. Maintain the ...
EDN

Power Tips #137: Implementing LLC current-mode control on the secondary side with a digital controller

Inductor-inductor-capacitor (LLC) serial resonant circuits, as shown in Figure 1, can achieve both zero voltage switching on the primary side and zero current switching on the secondary side in order ...
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 ...