Ching-Hung Chang

Title: Innovations of Ching-Hung Chang

Introduction

Ching-Hung Chang is a notable inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of low voltage bandgap reference circuits. His work is characterized by a focus on enhancing the stability and efficiency of electronic components.

Latest Patents

Ching-Hung Chang holds a patent for a low voltage bandgap reference circuit. This innovative circuit includes a positive temperature coefficient circuit unit, a negative temperature coefficient circuit unit, and a load unit. The positive temperature coefficient circuit unit comprises a first differential operational amplifier, a first, second, and third transistor, a first resistor, and a first and second diode. The negative temperature coefficient circuit unit includes a second differential operational amplifier, a fourth, fifth, and sixth transistor, a second resistor, and a third diode. This design allows the circuit to provide a current with both positive and negative temperature coefficient characteristics, generating a stable reference voltage that is less affected by temperature variations. This innovation effectively addresses the challenges faced by low voltage bandgap reference circuits that cannot be activated at low voltage.

Career Highlights

Ching-Hung Chang is currently employed at Integrated Circuit Solution Inc., where he continues to develop cutting-edge technologies in the field of integrated circuits. His expertise and innovative approach have made him a valuable asset to the company.

Collaborations

Ching-Hung Chang has collaborated with notable colleagues, including Chun-Lung Kuo and Ching-Tang Wu. These collaborations have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Ching-Hung Chang's contributions to the field of electronics, particularly through his patent for a low voltage bandgap reference circuit, highlight his innovative spirit and dedication to improving electronic components. His work continues to influence the industry and pave the way for future advancements.