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Power Electronics Engineer

$95/hr Starting at $2K

•Custom switch-mode power supplies (SMPS) for consumer products. DC-DC and AC-DC, including PFC, LLC resonant soft switching (ZVS), flyback, quasi-resonant flyback, and buck topologies. •Class D amplifier design. Discrete or IC-based. Experience with 1-1200 Watts per channel. •Novel analog circuit design. •General electronics hardware schematic design and PCB layout using Altium Designer. •Circuit simulation using PSpice, LTSpice, PSIM. •Magnetics design, simulation, and prototyping (transformers, inductors, coupled inductors, common mode chokes, planar transformers, pulse transformers) (PExprt, Gecko Magnetics). •Thermal design using heat pipes and heat sinks. •Design for EMC, EMC testing, EMC debug. •Design for Safety, Safety testing, Safety debug. •Design for ESD, immunity, low stray magnetic fields. •Design for manufacturability for both high volume (Logitech 100k/yr China), and low volume (North America). •Developed factory test procedures. •Audio Precision testing. •Bode 100 testing. •Part of the design team that launched the world's highest performance audio amplifier in 2014 (highest SNR and lowest total harmonic distortion of any production amplifier). •Co-inventor status on 5 US Patents related to audio amplifiers and power supplies. •Licensed professional electrical engineer

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$95/hr Ongoing

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•Custom switch-mode power supplies (SMPS) for consumer products. DC-DC and AC-DC, including PFC, LLC resonant soft switching (ZVS), flyback, quasi-resonant flyback, and buck topologies. •Class D amplifier design. Discrete or IC-based. Experience with 1-1200 Watts per channel. •Novel analog circuit design. •General electronics hardware schematic design and PCB layout using Altium Designer. •Circuit simulation using PSpice, LTSpice, PSIM. •Magnetics design, simulation, and prototyping (transformers, inductors, coupled inductors, common mode chokes, planar transformers, pulse transformers) (PExprt, Gecko Magnetics). •Thermal design using heat pipes and heat sinks. •Design for EMC, EMC testing, EMC debug. •Design for Safety, Safety testing, Safety debug. •Design for ESD, immunity, low stray magnetic fields. •Design for manufacturability for both high volume (Logitech 100k/yr China), and low volume (North America). •Developed factory test procedures. •Audio Precision testing. •Bode 100 testing. •Part of the design team that launched the world's highest performance audio amplifier in 2014 (highest SNR and lowest total harmonic distortion of any production amplifier). •Co-inventor status on 5 US Patents related to audio amplifiers and power supplies. •Licensed professional electrical engineer

Skills & Expertise

Altium DesignerCadCircuit DesignDesignDesign For ManufacturabilityElectricalElectrical DesignElectrical EngineeringElectronicsEmc DesignPatentsPcb LayoutPower SuppliesPrototypingPSpiceTestTesting

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