Jang Hyuck Lee

Title: Innovations of Jang Hyuck Lee

Introduction

Jang Hyuck Lee is a notable inventor based in Seongnam, South Korea. He has made significant contributions to the field of electrical engineering, particularly in switch control circuits and methods. With a total of 7 patents to his name, his work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a "Switch control circuit and switch control method thereof." This invention provides a switch control circuit that compensates for errors in load current caused by changes in the slope of inductor current, which occurs with variations in input voltage. The circuit includes a current compensation device that adjusts the gate on time based on an RC resistor and a control signal that senses the gate terminal of a control switch. This device effectively compensates for signal delays by adjusting reference or sensing voltages according to input voltage changes.

Another significant patent is "Power supply control with inductor current control and method thereof." This invention enhances a QR Buck Converter switch control circuit by incorporating components that sense the drain voltage of a switch device. It includes a first resistor, a second switch, and a second resistor connected to the drain terminal to detect when the inductor current is at 0 A. Based on this detection, the switch control circuit activates the switch device when the drain sensing voltage is below a predetermined reference voltage.

Career Highlights

Jang Hyuck Lee has worked with prominent companies in the semiconductor industry, including Magnachip Semiconductor, Inc. and Magnachip Mixed-Signal, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the field.

Collaborations

Throughout his career, Jang has collaborated with talented individuals such as Joo Han Yoon and Byoung Kwon An. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Jang Hyuck Lee's contributions to the field of electrical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.