Company Filing History:
2 out of 367 
1 out of 326 
Years Active: 2014-2026
Title: Innovations of Wei Mao
Introduction
Wei Mao is a notable inventor based in Chengdu, China. He has made significant contributions to the field of power supply technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of switching mode power supplies.
Latest Patents
Wei Mao's latest patents include a "Switching mode power supply with adaptive frequency" and an "Analog switching circuit, associated control circuit and method." The first patent describes a switching mode power supply (SMPS) that features a switch circuit and a controller. This design includes an output inductor and a switch with a minimum on time. The controller generates a control signal to manage the switching operation based on a clock signal with a switching frequency and an off signal. When the required on time of the switch is less than the minimum on time, the SMPS adaptively reduces the switching frequency, ensuring that the actual on time of the switch meets the minimum requirement. The second patent presents an analog switching circuit that has a first terminal for receiving an input signal, a second terminal for providing an output signal, and a control terminal for receiving a switching control signal. This circuit includes a first logic circuit that generates control signals based on the switching control signal, along with NMOS and PMOS transistors that are controlled by these signals. Additionally, control circuits manage the backgate voltages of the NMOS and PMOS based on the input signal and the switching control signal.
Career Highlights
Wei Mao has worked with prominent companies in the power systems industry, including Monolithic Power Systems, Inc. and Chengdu Monolithic Power Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Throughout his career, Wei Mao has collaborated with talented individuals such as Da Chen and Zhengwei Zhang. These partnerships have contributed to the advancement of his projects and innovations.
Conclusion
Wei Mao's contributions to the field of power supply technology through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in switching mode power supplies.