Abhishek Ray

Title: Abhishek Ray: Innovator in Power Conversion Technologies

Introduction

Abhishek Ray is a notable inventor based in Chandler, AZ (US), recognized for his contributions to power conversion technologies. With a total of 2 patents, he has made significant advancements in the field, particularly in switched-mode power supplies.

Latest Patents

One of his latest patents is titled "Average inductor charging current measurement in a switched-mode power supply using switched-capacitor charge sharing." This invention focuses on techniques for measuring average inductor charging current in a switched-power circuit, effectively avoiding measurement delays and the need for complex filters. The measurement circuit utilizes a pair of capacitors to sample the output voltage of the power output stage at different cycle times of the inductor current waveform. By sharing charge between the capacitors, the circuit provides a measurement indicative of the average inductor charging current, which can be used to determine the magnitude of the load current.

Another significant patent is "Delta-based current steering for power converter peak/valley current control." This invention describes a power converter system that regulates output voltage by employing a switch network and reference current generating circuitry. The system includes a comparator that compares the current flowing through a sensed switch to a reference current, allowing for effective current steering and regulation of the output voltage.

Career Highlights

Abhishek Ray is currently employed at Cirrus Logic Inc., where he continues to innovate and develop new technologies in power conversion. His work has contributed to advancements in efficiency and performance in electronic devices.

Collaborations

Throughout his career, Abhishek has collaborated with talented individuals such as Pietro Gallina and Chanchal Gupta, enhancing the innovation process through teamwork and shared expertise.

Conclusion

Abhishek Ray's contributions to power conversion technologies through his patents and work at Cirrus Logic Inc. highlight his role as a significant inventor in the field. His innovative approaches continue to influence the development of efficient power supply systems.