Phrancees69
Newbie level 6
Hi engineers, I need help with my buck boost converter. I designed a high gain buck boost converter and it works perfectly on simulation (Proteus/Ltspice). However when I build the prototype on pcb and breadboard it doesn't work. My circuit has two switches; high and low side. I have tried ir2110 and hcpl3150 optocoupler switch drivers and the the drivers work just fine as they supply the required gate pwm pulses. but the main converter is not working. I also notice that whenever I turn on the power supply, the value drops drastically and there is no output from my converter. My circuit schematic is posted, kindly check to discover errors. Thank you