HARDWARE DEVELOPMENT MANAGER | AMAZON | 26 APR. 2022~NOW· Circuit Design, development, integration, testing, and implementation of fully new products. · Design review including schematic, power consumption analysis, failure mode, DFMEA, placement and layout, key component stress analysis, test plan, cost estimation.· Making the design guidelines and lessons learned.· Design of the BMS base on the application requirement and battery lifetime requirement.· Design solar charger and setup solar lab.· Build up the compatibility test process and test plan.· Resolve complex technical problems and improve processes. · Address the trial run issue in the factory. · Contribute the product definition and requirement in scope stage.· New contract manufacturer evaluation.· Management and development of the technical team of up to 5 people.Product of Joint DesignAMAZON· Solar charger/solar panel: 4W and 2W solar panel connect to camera, 1W solar charger connect to doorbell· Battery pack/ Power bank: 1S2P Li-ion, 3S2P LPF, PCM, secondary protection, charger. Power management· Charging Station for Battery Pack: Charge one or two battery packs at once, · Pan-Tilt Mount for Indoor Camera: Offering a 355° pan range that offers a 360° coverage and 110° tilt range that offers a 169° tilt coverage, Privacy shutter that disables mic & camera, Patrol Mode and Auto-Tracking to follow moving objects with pan and tilt

· · Circuit Design, development, integration, testing, and implementation of fully new products. · Design review including schematic, power loss analysis, magnetic component design, failure mode, and effects analysis, placement and layout, key component stress analysis, thermal analysis and simulation, power consumption and standby power, control loop analysis (phase margin and gain margin), test plan, firmware specification, program flow chart, and stat machine and Mente Carlo estimation deviation.· Making the design guidelines (layout guideline, design margin, preferred vendor, reference design) and lessons learned.· Resolve complex technical problems and improve processes.· Address the trial run issue in the factory. · Build the wireless charge, power storage, IoT and CAN bus technology. · Participate in future strategic planning· Define new product road map, technology road map, and marketing specifications.· New product line development and business development· · Respond to Requests for Proposals from customers.· Management and development of the technical team of up to 27 people.

· Circuit Design, development, integration, testing, and implementation of fully new products. · Design review including schematic, power loss analysis, magnetic component design, failure mode, and effects analysis, placement and layout, key component stress analysis, thermal analysis and simulation, power consumption and standby power, control loop analysis (phase margin and gain margin), test plan, firmware specification, program flow chart, and stat machine and Mente Carlo estimation deviation.· Making the design guidelines (layout guideline, design margin, preferred vendor, reference design) and lessons learned.· Resolve complex technical problems and firmware bugs.· Build the novel UPS technology and dual input server power module.· Build the Lithium-Ion battery module meeting the UL1973 · Define new product road map, technology road map, and marketing specification. · Respond to Requests for Proposals from customers.· Management and development of the technical team of up to 22 people.Product of Joint Design:· 10kW novel uninterrupted backup power, use flyback, PFC, and phase shift full bridge topology with 600V IGBT, 600V MOSFET, and 600V SCR power semiconductor device.· 12.5kW~20kW power shelf and 2.5kW sever power module, use flyback, PFC, synchronous rectifier and phase shift full bridge topology with 600V MOSFET and 75V MOSFET· Three-phase 18kW power shelf and 4.5kW power module, use bridgeless PFC, use flyback, synchronous rectifier, and phase shift full bridge topology with 600V MOSFET and 75V MOSFET· 2.5kW dual input sever power module, use novel transfer switch, flyback, PFC, synchronous rectifier and phase shift full bridge topology with 600V MOSFET and 75V MOSFET· 5kW li-ion battery module

* Management and development of the technical team, the safety team, and the project management team* Providing product road map Mentored staff in methodology and consulting excellence and encouraged best practice in project management and project planning* Leading, motivating and controlling a team of in-house technical staff and external consultants.* Building, utilizing and motivating teams to resolve complex technical problems and improve processes* Pro-actively planning for the technical demands of any projects* Managing the design, development, integration, testing, and implementation of products* Providing development estimates* Managing technical budgets Interacting with other multiple professionals and departments* Overseeing and managing all product quality functionsProduct of Joint Design:· 3.3kW, 3.8kW, 4.6kW transformerless PV inverter, use flyback, boost, full-bridge inverter topology with 600V IGBT and 800V MOSFET· 2.9kW, 3.9kW, 4.9kw, 5.3kW, 6.5kW, 7.5kW high-frequency isolated PV inverter, use buck, resonant full-bridge and inverter topology with 600V IGBT, 600V MOSFET, and 800V MOSFET· Solar power battery charger 12-48V/30A with maximum power tracking, use buck topology with 100V MOSFET

* Design and develop high power charger for electrical motorcycle.* Research the digital control Design and develop high efficiency power supply* Design and develop PV inverter. * Propose and conduct the new project.