Battery Powered +48V Phantom Power Supply

The good, and perhaps bad, thing about passions and hobbies is that the energy to zealously pursue them ebbs and flows as the days, weeks, months or even years go past. Just recently, I experienced a strangely strong desire to just go out there and design something again out of frusration over what we’re “learning” at university, so here we are. Preface: Why LCSC Because DigiKey/Farnell/RS wouldn’t give me free shipping until I spent tonnes of cash, and even then, the VAT here in the UK is just crazy… It’s times like this when I really, really miss being in Malaysia....

February 25, 2022 · 7 min · Infinus

Inductor Saturation Current Measurement Jig and Constant Current Dummy Load

Background As I have only recently come to realize, inductor selection for boost converters is not a trivial matter at all. Every inductor I tried saturated way too early, causing progress for the SMPS Chronicles Boost Converter project to grind to a halt. After many frustrating afternoons, and several blown parts and melted breadboard holes, I had enough. Background As I have only recently come to realize, inductor selection for boost converters is not a trivial matter at all....

August 23, 2021 · 14 min · Infinus