Cristian Stefan Zegheru

Title: Cristian Stefan Zegheru: Innovator in Voltage Regulation Technologies

Introduction

Cristian Stefan Zegheru is a notable inventor based in Bucharest, Romania. He has made significant contributions to the field of voltage regulation, holding two patents that showcase his innovative approach to electronic circuit design. His work is particularly relevant in the context of modern electronic devices that require efficient power management.

Latest Patents

Cristian's latest patents include a "Low-dropout regulation of output voltage using first buffer and second buffer." This invention involves a circuit designed to perform low-dropout regulation of an output voltage, incorporating a first buffer, a second buffer, controller circuitry, and switching circuitry. The first buffer utilizes a first driving element to provide a first current into a first output node based on the output voltage, while the second buffer is configured to provide a second current into a second output node based on the voltage at the first output node. The controller circuitry generates a control signal based on the current at the pass device, enhancing the efficiency of voltage regulation.

Another significant patent is the "Fast transient response voltage regulator." This invention describes techniques for adjusting the current flowing through transistors in a voltage regulator to maintain a constant output voltage level. The design includes a resistor connecting the gates of the first and second transistors, allowing for effective charging or discharging of parasitic capacitance, which is crucial for rapid response in voltage regulation.

Career Highlights

Cristian Stefan Zegheru is currently employed at Infineon Technologies AG, a leading company in semiconductor solutions. His role involves developing advanced technologies that improve the performance and efficiency of electronic devices. His expertise in voltage regulation has positioned him as a key contributor to the company's innovative projects.

Collaborations

Throughout his career, Cristian has collaborated with talented professionals, including Liviu-Mihai Radoias and Ionut-Alin Ilie. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Cristian Stefan Zegheru's contributions to voltage regulation technologies reflect his dedication to innovation in the electronics field. His patents not only enhance the efficiency of power management systems but also demonstrate the importance of collaboration in driving technological advancements.