• Education: Bachelor's degree or above, majoring in Electronic Engineering, Electrical Engineering, Automation, Electronic Information Engineering, etc

• Work experience: Over 5 years, capable of independently handling complex faults and complete machine aging verification issues related to industrial power supplies, communication power supplies, server power supplies, medical power supplies, LLC/full bridge/bidirectional power supplies, including:

• 1. Power failure detection, repair, aging, and re-evaluation of the entire machine

• 2. Fault localization and damage cause analysis of defective products

• 3. Batch repair, rework, failure statistics, and preventive suggestions

• 4. Customer after-sales high-end power supply failure analysis and handling of difficult machines

• Proficient in medium to high-power (hundreds of W to tens of kW) power supply topology and mass production problem analysis

• 1. Low power: flyback, forward (adapter, internal small board power supply)

• 2. Medium and high power: half-bridge, full-bridge, PFC+LLC, PFC + dual-transistor forward converter

• 3. Industrial: Industrial control power supply, servo power supply, laser power supply, medical power supply, communication power supply, high-power server power supply

Familiar with instrument operation

• 1. Multimeter, oscilloscope, high-voltage differential probe, electronic load, power meter, regulated power supply, constant temperature soldering iron, heat gun, burn-in load, insulation and voltage withstand tester, and other equipment

• 2. Measurement: Switching waveform, drive waveform, ripple, spike, Vgs/Vds, output dynamics, load aging

Proficient in power topology theory

• Buck/Boost, Flyback, Forward, Half-Bridge/Full-Bridge, PFC

• LLC resonance, soft switching, synchronous rectification, active clamping, matrix type

• Application of SiC/GaN wide bandgap devices

• 5 days Stay in China