Daniel Yum

Title: **Daniel Yum: Innovator in Redundant Power Systems**

Introduction

Daniel Yum is an accomplished inventor based in Poway, California, with a total of five patents to his name. His work significantly contributes to advancements in power systems, focusing on improving efficiency and reliability through innovative technology.

Latest Patents

One of his latest innovations is the **Active ORing Controller for Redundant Power Systems**. In this invention, active ORing power MOSFETs are proposed to replace traditional ORing diodes, which are typically used for power redundancy. This innovative approach aims to reduce power loss due to diode forward drop voltage by an impressive 90%. The controller optimizes several factors including offset, hysteresis, and propagation delay times, enhancing speed, stability, and noise immunity. Furthermore, the design includes an ORing demo board for testing, along with a FET check feature that conducts live checks to boost the reliability of the redundant power system.

Another significant patent is the **Voltage Reference Circuit with Breakpoint Compensation**. This voltage reference circuit employs a band-gap reference circuit to deliver a stable reference voltage, integrating breakpoint compensation that adjusts the temperature coefficient of this reference voltage based on the surrounding temperature. The design includes a thermal limit transistor that activates when the temperature surpasses a preset threshold. This mechanism allows for the addition of a compensation current to one of the transistors in the band-gap reference circuit, ensuring equal collector currents and thus stabilizing the output across the entire divider network.

Career Highlights

Throughout his career, Daniel Yum has worked with notable companies, including Burroughs, Inc. and Silicon General Corporation. His experience in these organizations has enhanced his expertise and shaped his innovative work in technology.

Collaborations

Daniel has collaborated with peers such as Seungbeom K Kim and Weidong Fan, contributing to a rich exchange of ideas and innovations that have propelled the development of advanced power solutions.

Conclusion

Daniel Yum is a pioneering inventor whose recent patents reflect a deep commitment to innovation in power systems. His work in improving redundancy and stability showcases the potential for technology to enhance reliability and efficiency in electrical systems. As he continues to develop new ideas, the impact of his inventions is sure to resonate within the industry.