AC-DC Power Design Engineer
Core
Designing high-density offline AC-DC power supplies for Apple's portable products from concept to mass production.
Role type
Senior IC power electronics engineer
Builds
Compact, efficient, and robust AC-DC adapters for portable devices
Domain
Consumer electronics / Power electronics
Required skills
AC/DC power conversion topologies (flyback, resonant, PFC), semiconductor and power electronics fundamentals, circuit analysis, control systems, magnetics, embedded systems for power control, simulation and modeling, prototype bring-up and validation, cross-functional collaboration, root-cause analysis, technical leadership
Preferred skills
High-volume adapter development, manufacturing process familiarity, high-efficiency PFC design with analog/digital control, safety and EMC regulatory compliance, high-density layout, efficiency optimization, thermal and mechanical integration, high-frequency magnetic design
Technologies
Flyback, resonant converter, PFC, GaN, LLC, parasitics modeling, EMC compliance tools
Responsibilities
Lead AC-DC adapter design from architectural concept through mass production; Perform detailed analysis, modeling, simulation, and hands-on prototype bring-up and validation; Ensure robust integration with mechanical, thermal, reliability, and manufacturing teams; Drive key design decisions and resolve complex issues; Provide technical guidance to junior engineers while maintaining hands-on technical contribution