Switching power supply engineer

Responsible for the R&D process of switching power supply

Jiangsu, China
Full-time
BizLink Technology (Changzhou) Ltd.

Key Responsibilities:

  • Responsible for the design and development of new power supply products, resolving any difficult issues during product development.
  • Responsible for circuit design, thermal design, magnetic component design, topology design, and EMC design of power supply products.
  • Complete prototype production and provide guidance and coordination with test engineers to complete various tests.
  • Complete power supply product certification and archive power supply project documentation.

Job Requirements

  • Bachelor's degree or higher in a power electronicsrelated field, with at least three years of experience in switching power supply development.
  • Familiarity with the principles, operating modes, design formulas, advantages and disadvantages, and application scenarios of common topologies (Buck/Boost/BuckBoost/Flyback/Forward/LLC/PhaseShifted FullBridge/PFC, etc.).
  • Deep understanding of the characteristics, loss models, selection, and failure mechanisms of power devices (MOSFET/IGBT/SiC/GaN), magnetic components (inductor/transformer design/core materials), capacitors (electrolytic/ceramic/thin film), diodes/rectifiers.
  • Ability to independently design and calculate magnetic components and parameters such as transformers and inductors, and perform power supply debugging, testing, and optimization.
  • Extensive experience and practical ability to address stability, dynamic characteristics, ripple noise, power supply heat dissipation, and electromagnetic interference. Ability to resolve complex EMC issues
  • Familiarity with international safety standards (IEC/UL/EN, etc.), understanding creepage distance, clearance, insulation requirements, and safety protection circuit design
  • Quickly locate and resolve power supply faults (failure, oscillation, overheating, low efficiency, EMC violations, etc.)
Come join us

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