Company Filing History:
Years Active: 2025
Title: Innovations of James Gafford in Power Transistor Measurement
Introduction
James Gafford is an accomplished inventor based in Charlotte, NC (US). He has made significant contributions to the field of power electronics, particularly in the area of voltage measurement for power transistors. His innovative work has led to the development of a patent that enhances the monitoring and prognostics of power transistors in half-bridge configurations.
Latest Patents
James Gafford holds a patent titled "On-state voltage measurement of high-side and low-side power transistors in a half-bridge for in-situ prognostics." This patent presents various examples for on-state voltage sensing aimed at in-situ monitoring and prognostics. One example describes an on-state monitoring circuit that includes clamping circuitry with high-side and low-side voltage clamping circuits associated with high-side and low-side switching devices of a half-bridge leg of a converter. The circuit also features on-state voltage circuitry with high-side and low-side voltage measurement circuits, referenced to the positive and negative buses of the converter, respectively. Additionally, the output circuitry includes high-side and low-side isolation circuits that provide isolated outputs referenced to a control ground of the converter.
Career Highlights
James Gafford is affiliated with the University of North Carolina at Charlotte, where he continues to advance his research in power electronics. His work is characterized by a strong focus on practical applications that improve the reliability and efficiency of power systems.
Collaborations
James has collaborated with notable colleagues, including Chondon Roy and Namwon Kim, to further enhance the impact of his research and innovations in the field.
Conclusion
James Gafford's contributions to the field of power electronics through his innovative patent demonstrate his commitment to advancing technology in voltage measurement for power transistors. His work not only reflects his expertise but also his dedication to improving the efficiency and reliability of power systems.