Yalong Li

Title: Yalong Li: Innovator in Negative Voltage Generation

Introduction

Yalong Li is a notable inventor based in Allen, TX (US), recognized for his contributions to electrical engineering. He holds 5 patents that showcase his innovative approach to circuit design and voltage generation.

Latest Patents

One of his latest patents is a negative voltage generator. This circuit is capable of generating a negative voltage on a negative voltage supply node. It includes a negative voltage generation circuit, an oscillator, and an oscillator control signal generator. The negative voltage generation circuit produces a negative voltage in response to signals from the oscillator. The generated negative voltage depends on the frequency of the oscillator's signal. The oscillator control signal generator adjusts the frequency based on the negative voltage present, ensuring efficient charge replenishment to the supply node.

Another significant patent is a circuit with a power transistor and current sense that utilizes the control drive as a power source. This circuit features a power transistor and at least one sense transistor, using the control drive terminal to manage both transistors while providing power to a current sense circuit. The current sense circuit detects current through the sense transistor and draws power from the control drive terminal when a high control signal is present. This design eliminates the need for an independent high voltage supply, enhancing efficiency.

Career Highlights

Yalong Li has worked with prominent companies in the technology sector, including Texas Instruments Corporation and Infineon Technologies Canada Inc. His experience in these organizations has contributed to his expertise in circuit design and innovation.

Collaborations

Throughout his career, Yalong has collaborated with talented individuals such as Brent Alan McDonald and Zhemin Zhang. These partnerships have fostered a creative environment that has led to significant advancements in his field.

Conclusion

Yalong Li's innovative work in negative voltage generation and circuit design has made a substantial impact in electrical engineering. His patents reflect a commitment to enhancing technology and efficiency in electronic circuits.