Tech questions about converters and etc this helped me understand the role better and I did not pass unfortunately. I had no experience in power and this role was for power.

I had 4 rounds of technical interview (online) on a single day but the panel taking my interview was quite friendly and that is a key factor that helped me sail through all 4 rounds. The questions were based on fundamental concepts of C, Embedded Systems and DSP. There was a good focus on my projects and things mentioned on my resume