Patents by Inventor Shungang Xu

Shungang Xu 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).

  • Publication number: 20130099726
    Abstract: A battery charging system for charging a battery with a plurality of battery cells. The battery charging system includes a battery charger and a battery management unit. The battery management unit includes a plurality of balancing circuits for controlling charging of each battery cell. The battery charging system can charge the battery in different stages depending on the voltage of each battery cell.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 25, 2013
    Applicant: O2MICRO, INC.
    Inventors: Tao Zhang, Jingbo Ke, Shungang Xu, Shaolan Wang, Jianping Xu
  • Publication number: 20120112703
    Abstract: A method for managing a battery with multiple battery cells is disclosed. The method includes monitoring parameters of the battery cells by an information acquisition unit. Parameters of the battery cells include individual cell voltages. The method further includes selecting, by a controller one of multiple charging modes in which the battery cells are charged according to the cell voltages. The charging modes include a constant current charging mode, a constant voltage charging mode, and a pulse charging mode.
    Type: Application
    Filed: June 7, 2011
    Publication date: May 10, 2012
    Applicant: O2 MICRO, INC.
    Inventors: Shungang Xu, Jianping Xu, Shaolan Wang, Wei Zhang, Tao Zhang, Jingbo Ke