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Title: Innovations of Ramesh G Karpur
Introduction
Ramesh G Karpur is a notable inventor based in Bengaluru, India. He has made significant contributions to the field of LED technology, particularly in the areas of current regulation and power factor correction. With a total of four patents to his name, Karpur's work reflects a deep understanding of electronic systems and their applications.
Latest Patents
One of his latest patents is titled "System and method to regulate primary side current using an event driven architecture in LED circuit." This invention discloses a system that performs primary side regulation (PSR) of isolated or non-isolated LED driver topologies, such as flyback systems. The system regulates the primary side peak voltage or current to achieve desired secondary side currents without the need for additional external components. The architecture combines firmware and hardware to realize PSR effectively.
Another significant patent is "System and method for active power factor correction and current regulation in LED circuit." This invention describes a system used in LED driver circuits that performs active power factor correction (PFC) and current regulation through dynamic input current wave shaping. The dynamic waveshaping scheme is realized through hardware and firmware, striking an optimal balance between current accuracy, power factor, total harmonic distortion (THD), and peak inductor currents. This versatile system improves power factor and current accuracy in LED circuits and dimmer circuits.
Career Highlights
Throughout his career, Ramesh G Karpur has worked with prominent companies such as NXP B.V. and GlobalFoundries Inc. His experience in these organizations has contributed to his expertise in electronic systems and innovations in LED technology.
Collaborations
Karpur has collaborated with notable professionals in his field, including Rajesh Swaminathan and Abhisek Khare. These collaborations have likely enriched his work and contributed to the development of his innovative patents.
Conclusion
Ramesh G Karpur is a distinguished inventor whose work in LED technology has led to significant advancements in current regulation and power factor correction. His contributions are valuable to the field and demonstrate his commitment to innovation.