Caroline Lichtenberger
Redmond
Summary
Accomplished Senior Power Engineer with a proven track record at Microsoft, specializing in power electronics design and AC-DC conversion. Expert in leading innovative projects, such as the design of advanced power supply systems and capacitive bank units. Demonstrates exceptional problem-solving skills and a commitment to enhancing power efficiency and reliability in cutting-edge technology applications.
Overview
10
10
years of professional experience
Work History
Senior Power Engineer
Microsoft
Redmond
01.2020 - Current
- Leading the design of 400V power supply and capacitive bank unit (peak shaving) designs in Microsoft's next generation centralized power architecture.
- Lead hardware engineer for power conditioning unit utilizing hybrid capacitors (LiC) to handle power stabilization and AC utilities protection in AI learning platforms
- AC-DC power supply design specification for 3 phase 1.8 -2 kW and single phase 3.3-5.5 kW power supplies, including PSUs with built-in battery backup.
Hardware Engineer
Nytec
Redmond
04.2018 - 12.2019
- Provided subject matter expertise on power and embedded hardware components
- Supported engineering design teams by finding alternative and more robust hardware solutions with components that are better suited for the desired application.
Hardware Engineer
Leviton
Tualatin
12.2015 - 04.2018
- Led architecture and design for power management and sensor subsystems in Leviton's first lighting control system integrating BLE and ZigBee technologies.
- Researched and brought up a new power metrology design for power management (power usage, efficiency, fault detection, and zero cross detection) subsystems that is now used in all Leviton lighting control system products.
- Researched and developed a new PIR sensor solution that resolved multiple false tripping issues in Leviton's new ZigBee lighting control products.
Hardware Design Engineer
Franklin Electric
Hillsboro
10.2014 - 11.2015
- Embedded firmware and power hardware for BLDC and permanent magnet motor controllers.
- Wrote firmware for power management/fault detection and communication protocols for external user interfaces (Modbus and CAN bus) in motor control systems.
- Performed hardware design pertaining to DC/DC power conversion and embedded controllers, including schematic capture and PCB layout.
Education
Master of Science - Electrical Engineering
University of Colorado At Boulder
Boulder, CO06-2027
Bachelor of Science - Electrical Engineering
Rochester Institute of Technology
Rochester, NY12-2013
Skills
- Power electronics design
- AC-DC conversion
- DC-DC conversion
- Embedded hardware design
- Battery storage systems
- LTSpice/Simplis/PLECS
Timeline
Senior Power Engineer
Microsoft
01.2020 - Current
Hardware Engineer
Nytec
04.2018 - 12.2019
Hardware Engineer
Leviton
12.2015 - 04.2018
Hardware Design Engineer
Franklin Electric
10.2014 - 11.2015
Master of Science - Electrical Engineering
University of Colorado At Boulder
Bachelor of Science - Electrical Engineering
Rochester Institute of Technology
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