Electronic Design

Using a Current Mode PWM Controller in Voltage Mode

For the PDF version of this article, click here. Over the years, power supply designers have been persuaded that current mode is superior to its voltage-mode counterpart. As a result, the major PWM ...
EDN

Tricky PWM Controller – An Analog Beauty!

In previous posts, I have introduced several do-it-yourself pwm controller circuits and reviewed several Chinese PWM controller modules. The next step in this post is to share the design of another ...
Business Wire

Alpha and Omega Semiconductor Unveils World’s First NVIDIA OVR4-22 Multiphase PWM Controller Powering AI Server and Graphic Cards

SUNNYVALE, Calif.--(BUSINESS WIRE)--Alpha and Omega Semiconductor Limited (AOS) (Nasdaq: AOSL), a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap ...
EDN

Another PWM controls a switching voltage regulator

A recent Design Idea, “Three discretes suffice to interface PWM to switching regulators,” demonstrated one way to use PWM to control the output of a typical switching voltage regulator. There were ...
Electronic Design

PWM Controller Tailored for AI Server and Graphics Cards Based on Blackwell GPUs

According to Alpha and Omega Semiconductor (AOS), its AOZ73004CQI is the first four-phase controller for Blackwell GPUs. The controller’s advanced design has received full OpenVReg (open voltage ...