Ji-Hoon Jang

Title: The Innovative Contributions of Ji-Hoon Jang

Introduction

Ji-Hoon Jang is a prominent inventor based in Incheon, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 13 patents. His work focuses on resonant converters and power supply devices, showcasing his expertise in electrical engineering.

Latest Patents

Among his latest patents is a resonant converter and driving method thereof. This invention includes a first switch on the primary side and a second switch coupled to the first switch. It also features a first synchronous rectification switch on the secondary side, which is conducted according to the switching operation of the first switch. Additionally, a second synchronous rectification switch is present on the secondary side, conducted according to the switching operation of the second switch. A switch control circuit is configured to detect a waveform of one end voltage of at least one of the synchronous rectification switches, determining conduction duration based on the detected result.

Another notable patent is a power supply device that comprises a power switch with one terminal for input voltage. It includes an inductor connected to the power switch and a diode linked between a ground and a floating ground. A sensing resistor is connected between the floating ground and the inductor. The switch controller compares a modulation sensing voltage with high and low peak references to control the switching operation of the power switch, ensuring optimal LED current flow.

Career Highlights

Ji-Hoon Jang has worked with notable companies in the semiconductor industry, including Fairchild Korea Semiconductor Ltd. and Semiconductor Components Industries, LLC. His experience in these organizations has contributed to his innovative developments in power electronics.

Collaborations

Throughout his career, Ji-Hoon Jang has collaborated with talented individuals such as Won-Tae Lee and Hyeong Seok Baek. These partnerships have fostered a creative environment that has led to groundbreaking advancements in technology.

Conclusion

Ji-Hoon Jang's contributions to the field of semiconductor technology are noteworthy, with his patents reflecting his innovative spirit and technical expertise. His work continues to influence the industry and inspire future advancements in power supply solutions.