“HW-687 is one easy module for adding speed regulation to your next DC motor-based project. It is a simple pulse-width–modulated speed controller providing smooth control with almost no jerks. There ...

Some time ago, while browsing eBay for a simple LED controller to rejuvenate my retro bedroom lamp, I came across this touch-LED PWM module. To be honest, while it was a complete module and it made an ...

Find a downloadable version of this story in pdf format at the end of the story. Traditionally in synchronous buck designs, the PWM controller and its driver have been a single unit, for cost and ...

Find a downloadable version of this story in pdf format at the end of the story. The synchronous buck converter has become the ubiquitous standard in electronic equipment. While the basic topology is ...

Very similar types are available from several manufacturers. It is based on a pair of BTS7960 half-bridges from Infineon, with a cmos logic chip included to give them a clean drive from external ...