Yi-Hao Chang

Title: Yi-Hao Chang: Innovator in Voltage Regulation Technologies

Introduction

Yi-Hao Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electrical engineering, particularly in voltage regulation technologies. With a total of 4 patents to his name, Chang continues to push the boundaries of innovation in his industry.

Latest Patents

One of Yi-Hao Chang's latest patents is a multi-input low dropout regulator. This innovative device includes an amplifier, a first metal-oxide-semiconductor transistor, and a resistor. The amplifier features multiple first input terminals, a second input terminal, and an output terminal. Each first input terminal is designed to receive an internal voltage. The first metal-oxide-semiconductor transistor has a first terminal for receiving a first voltage, a second terminal connected to the amplifier's output terminal, and a third terminal linked to the amplifier's second input terminal. The resistor connects to the third terminal of the transistor and receives a second voltage. Additionally, the third terminal of the transistor is used to connect to a monitor pad, which outputs the internal voltage.

Another notable patent by Chang is an initial voltage generation circuit and method. This circuit comprises a reference voltage generator, a reference voltage selector, at least one initial voltage level regulator, and several stabilization capacitors. The reference voltage generator produces multiple reference voltage candidate groups. The reference voltage selector includes various selection switch groups and switch control circuits. Each selection switch group consists of several parallel switches, with each switch control circuit generating a switch signal to control the corresponding selection switch group. Each initial voltage level regulator generates an inner reference voltage based on a power-up signal, while a stabilization capacitor stabilizes this inner reference voltage.

Career Highlights

Yi-Hao Chang is currently employed at Etron Technology, Inc., where he applies his expertise in developing advanced electronic components. His work has significantly impacted the efficiency and reliability of voltage regulation systems.

Collaborations

Chang collaborates with talented individuals in his field, including coworkers Yen-An Chang and Shih-Hsing Wang. Their combined efforts contribute to the innovative projects at Etron Technology, Inc.

Conclusion

Yi-Hao Chang is a distinguished inventor whose work in voltage regulation technologies has led to several impactful patents. His contributions continue to shape the future of electrical engineering, demonstrating the importance of innovation in this field