Barry Wu

Lead Electrical Engineer — TWS Charging Case

• Designed and validated low-voltage power rails and dynamic load switch circuits, including Lid Open/Close detection.
• Developed custom USB-C debug board to accelerate multi-team hardware/software development.
• Collaborated with software teams to define charging, ship mode, and charge termination logic for case and earbuds.
  

Amplifier Hardware Qualification & Program Lead

• Qualified next-gen amplifier hardware using APx500 test equipment; evaluated transducer performance on max output, power efficiency, noise floor, and gain stability.
• Architected hysteresis thermal management with dynamic mute control and real-time die-to-NTC offset calibration. Led mechanical thermal design reviews.
• Led hardware interface for DSP tuning, low-power compliance, thermal mitigation, and fault protection firmware development.

Automated SQA Hardware Platform Design

• Designed and deployed automated system validation hardware with Python GUI for dynamic voltage/current injection and measurement.
• Reduced validation time from weeks to hours by enabling efficient hardware/software cross-validation workflows.

Battery and Power Subsystems Development & Validation

• Developed analog/mixed-signal circuits and battery subsystems for next-generation consumer speakers.
  
• Engineered test hardware/software solutions ensuring compliance with UL, CSA, IEC, IEEE, EU, and EN regulatory standards.
  
• Partnered with overseas contract manufacturers to develop scalable validation test plans and manufacturing processes.

• Drove IDX workflow to synchronize mechanical and electrical design, reducing cross-team iteration time.
• Designed and validated consumer audio PCBs, from simple 2-layer prototypes to complex HDI multilayer boards.
• Analyzed electronics system requirements, Mechanical tolerance requirements and fabrication feasibility to create effective layout to reflect HW capabilities.

• Designed and fabricated cantilever sinusoidal stimulus actuator probes for low-frequency vibration detection.
• Developed custom test platforms using CNC machining and advanced materials