Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of smart energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, “To provide innovative, clean and energy-efficient solutions for a better tomorrow,” Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers and manufacturing facilities spread over close to 200 locations across five continents. Delta has 158 sales offices, 72 R&D centers and 48 manufacturing facilities worldwide.
Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the DJSI World Index of Dow Jones Sustainability™ Indices for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership level ratings for its substantial contribution to climate change and water security issues and named Supplier Engagement Leader for its continuous development of a sustainable value chain.
Power Electronics R&D Engineer – EV Power
We are seeking a highly skilled and motivated R&D Engineer to join our team focused on developing cutting-edge on-board chargers for electric vehicles (EVs). The ideal candidate will have a deep understanding of various power conversion topologies, magnetics and wide band gap devices, with a strong background in both theoretical and practical aspects of power electronics.
Key Responsibilities:
- Design and develop innovative on-board charger solutions for EV applications.
- Research and implement power factor correction topologies, including both hard-switching and soft-switching techniques.
- Develop and optimize dual-active-bridge (DAB) and resonant DC-DC topologies.
- Work on single-stage AC-DC topologies, including resonant and DAB configurations
- Work on wireless power chargers for next generation autonomous charging fleet
- Work on Ultra-wide range DC-DC chargers and high step-down auxiliary battery charging applications
- Explore and implement new bidirectional devices like bi-GaN and bi-SiC in various applications such as Vienna rectifiers, Current Source Inverters (CSI), and single-stage isolated AC-DC converters.
- Collaborate with cross-functional teams overseas to ensure seamless integration of new technologies into existing and new products.
- Conduct simulations (Simplis, PLECS, ANSYS, Matlab/Simulink) and prototype testing to validate design concepts and ensure performance meets required specifications.
- Stay up-to-date with the latest advancements in power electronics and EV charging technologies.
- Prepare technical reports, presentations, and documentation to communicate findings and support product development.
Qualifications:
- Master’s or Ph.D. degree in Electrical Engineering, Power Electronics, or a related field.
- Proven experience in power electronics design and development, specifically in EV on-board chargers.
- Strong knowledge of power factor correction topologies (both hard-switching and soft-switching).
- Expertise in DAB and resonant DC-DC topologies, single stage AC-DC topologies, wireless power charging
- Knowledge of EMI noise source and propagation phenomenon, experience with EMI filter design
- Proficiency in working with wide band gap devices such as SiC and GaN.
- Familiarity with new bidirectional devices (bi-GaN and bi-SiC) and their applications.
- Hands-on experience with simulation tools such as MATLAB/Simulink, Simplis, PLECS, or similar.
- Excellent problem-solving skills and the ability to work independently and as part of a team.
- Strong communication skills, both written and verbal.
Preferred Qualifications:
- Experience in the automotive industry, particularly in EV charging systems.
- Knowledge of industry standards and regulations related to EV charging.
- Experience with hardware design and testing (6 kW, 11 kW, 22 kW), including PCB layout and thermal management.
What We Offer:
- Competitive salary and benefits package.
- Opportunity to work on cutting-edge technology in the rapidly growing EV industry.
- Collaborative and innovative work environment.
- Professional development and career advancement opportunities such as IP generation.
Equal Opportunity Employer:
We are an equal opportunity employer and value diversity in our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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