Yung Ching Chang

Title: Innovations by Yung Ching Chang: Transforming Technology in Hsinchu

Introduction

Yung Ching Chang, an innovative inventor located in Hsinchu, Taiwan, has made significant contributions to the field of electronics. With a remarkable portfolio containing two patents, his work focuses on improving operational amplifiers and enhancing power management systems. His inventions reflect a deep understanding of electronic circuits and their applications.

Latest Patents

Yung Ching Chang's recent patents illustrate his expertise and creativity. The first patent, titled "Multi-input operational amplifier and method for reducing input offset thereof," describes a multi-input operational amplifier that comprises two transconductors, two current mirrors, and a current source. This design enables each transconductor to generate a current in accordance with a corresponding voltage difference, facilitating improved performance in various electronic applications.

The second patent, "PWM boost system and start-up method thereof," introduces a pulse width modulation (PWM) boost system that enhances efficiency in power management. This system includes crucial components such as a boost circuit, voltage dividing circuit, comparator, PWM circuit, pre-oscillator, and current limit circuit. The patent outlines a method for starting up the PWM boost system, detailing a process that involves generating an error voltage and controlling the inductor current to ensure that a DC output voltage is maintained effectively.

Career Highlights

Yung Ching Chang is currently affiliated with Advanced Analog Technology, Inc., where he applies his knowledge and skills in the development of advanced electronic solutions. His contributions have not only advanced the company’s technological capabilities but also provided innovative pathways for the industry.

Collaborations

Throughout his career, Yung has collaborated with talented coworkers such as Yen Kuo Lo and Wen Chia Pi. These partnerships have fostered an environment of creativity and innovation, allowing for shared insights and collective problem-solving.

Conclusion

Yung Ching Chang stands out as a prominent figure in the realm of electronic inventions. With his two patents and ongoing efforts at Advanced Analog Technology, Inc., he continues to push the boundaries of what is possible in modern electronics. His work is a testament to the spirit of innovation and the importance of collaboration in achieving technological advancements.