Open Power - Prototype 1C - Mockup Renderings

A project log for OPEN Power

I didn't have enough to buy a Lab Bench PSU... So I made one.

John LoefflerJohn Loeffler 08/27/2019 at 16:510 Comments
Prototype 1C implements a constant current feature by sensing the ground current and toggling  the Feedback pin to the SEPIC converter.  If the current exceeds the value set by the current knob the Feedback pin is toggled high reducing the voltage to maintain the current.