Udai Singh

Principal Power Electronics Engineer at Mainspring Energy

San Francisco Bay Area

About

Highly motivated engineer with breadth of experience in design of hardware for clean technologies and medical devices. Most passionate about power electronics and analog design. Worked on systems ranging from microwatts to several kW. Readily adaptable to changing demands spanning over two decades of startup company experience.

Experience

  • Mainspring Energy (7 yrs 8 mos)
    • Principal Power Electronics Engineer
      Nov 2022 - Present · 3 yrs 8 mos

    • Sr Staff Power Electronics Engineer
      Nov 2018 - Nov 2022 · 4 yrs 1 mo

  • Principal Hardware Engineer at Alta Motors
    Dec 2016 - Oct 2018 · 1 yr 11 mos

    Power electronics lead on 2nd generation motorcycle platform until company ceased operations. Developed multi-kW on board charger prototype and controls for digital implementation, including all analysis, modeling and simulation. Feasibility work on next generation inverter and high voltage supplies including tradeoffs for cost/weight/performance, hardware architecture, and selection of components. Completed development of highly package dense 1.6kW on board charger for first generation electric motorcycles through production release.

  • Gener8 (2 yrs 10 mos)
    • Senior Engineer
      Sep 2014 - Dec 2016 · 2 yrs 4 mos

      Analog and power electronics, embedded systems hardware for consulting company. Various projects for multiple industries from R&D phase through production release. Notable projects included: kW Arc lamp power supplies, kV high voltage electronics for electrophoresis instrument, TENS stimulator, and battery backed solar tracker. Gener8 is leading silicon valley design and manufacturing service company. http://www.gener8.net

    • Electrical Engineering Consultant
      Mar 2014 - Sep 2014 · 7 mos

      Various projects at Gener8, Inc and at part time startup

  • Senior Electrical Engineer at Mojo Mobility, Inc
    Feb 2013 - Mar 2014 · 1 yr 2 mos

    Lead engineer on high power electronics (10 kW) design for wireless charging of electric vehicles at <10 person startup. Project backed by DOE and auto manufacturer. - Drove hardware architecture, power conversion topology, MCU selection, schematic and board design, part selection, feedback control strategy, system assembly and test. Completed several simulations and design analyses to supplement design efforts. - Set up high power capability at company from ground up including selection of all test and measurement equipment. Tested design to 10kW output power. - Regularly interfaced with auto manufacturer client Successfully presented and demonstrated technology with all metrics met to representatives from the Department of Energy.

  • Principal Hardware Engineer at ArrayPower
    Aug 2012 - Feb 2013 · 7 mos

    ArrayPower was a micro-inverter startup company with a 3-phase 208VAC solar inverter. Company ceased operations in 2013. - Performed stability assessment of micro-inverter. - Helped cost reduction of design by updating grid current measurement circuitry and including adding ZigBee based RF circuitry onto main PCB.