Patents by Inventor Chan Yoke Cheong

Chan Yoke Cheong 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).

  • Inductance variation based compensation in boost converter
    Patent number: 9431894
    Abstract: Aspects of the present disclosure are directed to method, circuits, and apparatuses for power conversion. In an example embodiment, an apparatus includes a boost converter having a current loop affected by at least one compensation correction parameter and variation in an inductance of the current loop. The apparatus also includes a power factor correction means, including a circuit, configured and arranged to adaptively modify the compensation correction parameter based on variation in the inductance of the current loop.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 30, 2016
    Assignee: NXP B.V.
    Inventors: Dong Li, Chan Yoke Cheong
  • POWER FACTOR CORRECTION IN POWER CONVERTER
    Publication number: 20160065054
    Abstract: Aspects of the present disclosure are directed to method, circuits, and apparatuses for power conversion. In an example embodiment, an apparatus includes a boost converter having a current loop affected by at least one compensation correction parameter and variation in an inductance of the current loop. The apparatus also includes a power factor correction means, including a circuit, configured and arranged to adaptively modify the compensation correction parameter based on variation in the inductance of the current loop.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 3, 2016
    Inventors: Dong Li, Chan Yoke Cheong