Principal Engineer Power Supply Unit (PSU) System Application

Your Role Key responsibilities in your new role • Define ORV3/MCRPS PSU requirements for 1Φ/3Φ AI front-end power supplies (up to ~50 V or HV outputs such as 400/800 V depending on architecture). • Select and optimize PFC/LLC and multilevel topologies (e.g., Vienna, ANPC) for efficiency, power density, and manufacture ability. • Design magnetics/transformers and ensure robust isolation strategy, sensing/protection, and thermal derating. • Drive redundancy (N+1) behavior, EMI mitigation, and compliance alignment; correlate simulations with lab data. • Scout new platform concepts and evolving standards; collaborate with digital supervision (PSoC™/XMC™) and Infineon power devices (CoolSiC™,CoolMOS™, CoolGAN™, CoolSET). Your Profile Qualifications and skills to help you succeed • BSEE/MSEE in Electrical Engineering, Computer Engineering, or related field with 6-8 years of experience. • Demonstrated AC/DC PSU design experience (PFC, LLC, holdup, inrush, protection, EMI). • Hands-on with power stage simulation, magnetics design, and compliance-driven validation. • Strong system thinking for redundancy, reliability, and production readiness. • Open-minded, communicative; able to work under pressure and independently. Contact: Sunny.Wang@infineon.cn #WeAreIn for driving decarbonization and digitalization. As a global leader in semiconductor solutions in power systems and IoT, Infineon enables game-changing solutions for green and efficient energy, clean and safe mobility, as well as smart and secure IoT. Together, we drive innovation and customer success, while caring for our people and empowering them to reach ambitious goals. Be a part of making life easier, safer and greener. Are you in? We are on a journey to create the best Infineon for everyone. This means we embrace diversity and inclusion and welcome everyone for who they are. At Infineon, we offer a working environment characterized by trust, openness, respect and tolerance and are committed to give all applicants and employees equal opportunities. We base our recruiting decisions on the applicant´s experience and skills. Learn more about our various contact channels. We look forward to receiving your resume, even if you do not entirely meet all the requirements of the job posting. Please let your recruiter know if they need to pay special attention to something in order to enable your participation in the interview process. Click here for more information about Diversity & Inclusion at Infineon.