High-frequency current sensor with parasitic resistance
This technology is a smarter current sensor for power converters — the circuits that manage and transform electrical power in devices ranging from electric vehicles to industrial equipment. Traditional current sensors using parasitic inductance (tiny, unintended inductances in circuit wiring) suffer from measurement errors caused by equally unavoidable parasitic resistances. This design adds a compensation circuit with a processor that actively corrects those errors in real time, delivering more accurate current readings across a wide range of operating frequencies. The result is a high-bandwidth sensor that works with the imperfections of real-world hardware rather than pretending they don't exist.
What you could build
A drop-in current sensing module for high-frequency power converters used in EV drivetrains, solar inverters, and industrial motor drives, sold to power electronics OEMs or integrated into reference designs by semiconductor companies.
Who in Virginia should care
Virginia-based defense electronics and power systems contractors — such as those supporting Navy shipboard power or DoD vehicle electrification programs — would have immediate interest in high-accuracy current sensing for rugged power converters.
Readiness: Concept
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Xingchen Zhao, Dong Dong, Rolando Burgos
- Filed
- Patent pending — filed May 23, 2024
- Status
- Application
- Publication number
- US20250362326A1
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology.
Prosim summaries are generated from public patent text and are not legal advice.