Power Integrations Applications Support Engineer interview questions
Updated Jun 3, 2026
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Applications Support Engineer applicants have rated the interview process at Power Integrations with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 46.4% positive. This is according to Glassdoor user ratings.
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A lot of technical questions mainly power supply (switch mode power supply). Multiple interview including panel interview and written exams. The written exam is more on multiple choice depending on the team you will be hired.
It also include HR interview mainly speaking and communication.
Interview questions [1]
Question 1
Describe or draw the switching behavior of any switching power supply