John Ryan

Title: Innovations by John Ryan in Power Supply Control

Introduction

John Ryan is an accomplished inventor based in Blackrock Road, Ireland. He has made significant contributions to the field of power supply arrangements and control systems. His innovative approach has led to the development of a patented method that enhances the performance of DC-to-DC converters.

Latest Patents

John Ryan holds a patent for a "Method for controlling a DC-to-DC converter." This patent describes methods and circuits for power supply arrangement and control. More specifically, it relates to a control method and a controller for a DC-to-DC converter, such as a synchronous Buck converter. The invention implements a transient detection scheme along with response generation to enable the converter to recover from both positive and negative load current steps robustly. This method ensures low undershoot and overshoot at the output voltage. The control method can be implemented using either analog or digital circuits. Additionally, the controller can be integrated with existing controller schemes, such as voltage-mode controllers, to provide superior dynamic performance during large-signal transient conditions while maintaining stable operation during steady-state conditions. The methods and circuits are applicable to Buck converters and Buck-derived converters, including forward, push-pull, half-bridge, and full-bridge converters.

Career Highlights

John Ryan is currently employed at Rohm Powervation Limited, where he continues to innovate in the field of power electronics. His work focuses on enhancing the efficiency and reliability of power supply systems. With a patent portfolio that includes one significant patent, he has established himself as a key player in the industry.

Collaborations

John has collaborated with notable colleagues, including Timur Kelin and Cormac O'Shea. Their combined expertise contributes to the advancement of technologies in power supply control.

Conclusion

John Ryan's innovative contributions to the field of power supply control demonstrate his commitment to advancing technology. His patented methods for DC-to-DC converters are a testament to his expertise and creativity in engineering.