Patents by Inventor Jijian Sun

Jijian Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • VOLTAGE CONVERTER AND ASSOCIATED OVER-VOLTAGE PROTECTION METHOD
    Publication number: 20140071720
    Abstract: A voltage converter includes: an input terminal receiving an input voltage; an output terminal providing an output voltage; a switching circuit having a main switch configured to regulate the output voltage, wherein a control end of the main switch is configured to receive a Pulse Width Modulation (PWM) signal, and the output voltage is controlled according to the duty cycle of the PWM signal; and a protection switch coupled between the input terminal and the switching circuit, and wherein when the output voltage is higher than a reference voltage, the protection switch is turned OFF.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 13, 2014
    Applicant: Chengdu Monolithic Power Systems Co., Ltd.
    Inventors: Qian Ouyang, Eric Yang, Jinghai Zhou, Jijian Sun