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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 ...
Electronic Specifier

Sensorless power control promises smaller, cheaper chargers for consumer electronics

Researchers have proposed a new way to control power factor correction circuits that could lead to sensorless power control.
Electronic Design

Multiphase Controller Fine-Tunes Power for AI Chips in Data Centers

Alpha and Omega Semiconductor (AOS) introduced a 16-phase pulse-width-modulation (PWM) controller to convey power smoothly and efficiently to the big power-consuming AI chips residing in data centers, ...
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 ...