Patents by Inventor Yunliang Ma

Yunliang Ma 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).

  • Patent number: 11728733
    Abstract: A multi-input single-output circuit can include: a first circuit module configured to receive a first input voltage source, and including a first power switch; a second circuit module configured to receive a second input voltage source, and including a switching power converter, where the switching power converter comprises a second power switch; and a control circuit configured to control one of the first and second circuit modules to supply power for a load, or to stop supplying power for the load, according to states of the first and second input voltage sources and control parameters of the circuit module that is in operation.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: August 15, 2023
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventors: Yunliang Ma, Lingdong Zhang
  • Patent number: 11431244
    Abstract: A capacitor management circuit for a power management circuit, where the power management circuit includes a bidirectional converter having first and second ports, the capacitor management circuit includes a plurality of capacitor modules, and where each capacitor module includes: a switch and a capacitor coupled in series between two terminals of the second port; and a control circuit configured to detect state information of the corresponding capacitor, and to control operation state of the switch, in order to realize independent control of each capacitor.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: August 30, 2022
    Assignee: Silergy Semiconductor Technology (Hangzhou) LTD
    Inventors: Yunliang Ma, Lingdong Zhang
  • Publication number: 20210050788
    Abstract: A multi-input single-output circuit can include: a first circuit module configured to receive a first input voltage source, and including a first power switch; a second circuit module configured to receive a second input voltage source, and including a switching power converter, where the switching power converter comprises a second power switch; and a control circuit configured to control one of the first and second circuit modules to supply power for a load, or to stop supplying power for the load, according to states of the first and second input voltage sources and control parameters of the circuit module that is in operation.
    Type: Application
    Filed: August 5, 2020
    Publication date: February 18, 2021
    Inventors: Yunliang Ma, Lingdong Zhang
  • Publication number: 20210050776
    Abstract: A capacitor management circuit for a power management circuit, where the power management circuit includes a bidirectional converter having first and second ports, the capacitor management circuit includes a plurality of capacitor modules, and where each capacitor module includes: a switch and a capacitor coupled in series between two terminals of the second port; and a control circuit configured to detect state information of the corresponding capacitor, and to control operation state of the switch, in order to realize independent control of each capacitor.
    Type: Application
    Filed: August 4, 2020
    Publication date: February 18, 2021
    Inventors: Yunliang Ma, Lingdong Zhang