ELEFANTOMET
Junior Member level 2
Ive been working on a solution to ensure that the SMPS for my Highpower LED, doesnt get more than 15W in a minute in case of a short.
The solution ive been working on is the one attached, using the 10R resistor, simulating a short, by connecting the 10R resistor(since theres impedance match, the power should not exceed 12V^2/10R=14.4W).
Some1 suggested me the Zener & Capacitor, because the SMPS needs 2.8A to start switching, and without theese two, it only gets 1.2A?
Can some1 explain me the function of the zener and capacitor. The way its connected here, the zener burns out and make a short, why is that?
Best regards.