Patents by Inventor Yuanhui Zheng

Yuanhui Zheng 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: 12184164
    Abstract: A multi-phase buck converter circuit is provided, including a power supply, a plurality of phase buck circuits, each phase buck circuit including an input terminal, an output terminal, and a second input terminal, with input terminals of the plurality coupled to the power supply, a plurality of inductors coupled to the output terminals of the plurality of phase buck circuits, the plurality of inductors providing an output voltage at an output of the multi-phase buck converter circuit, a detection controller coupled to the output terminals of the plurality of phase buck circuits, the detection controller configured to detect a fault in the plurality of phase buck circuits, and a drive circuit coupled to the detection controller and coupled to each second input terminal of the plurality of phase buck circuits. The drive circuit is configured to detect a faulty phase buck circuit and stop driving the faulty phase buck circuit.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: December 31, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuliang Lu, Wenbo Zhou, Yuanhui Zheng, Limin Li
  • Publication number: 20220006376
    Abstract: A multi-phase buck converter circuit is provided, including a power supply, a plurality of phase buck circuits, each phase buck circuit including an input terminal, an output terminal, and a second input terminal, with input terminals of the plurality coupled to the power supply, a plurality of inductors coupled to the output terminals of the plurality of phase buck circuits, the plurality of inductors providing an output voltage at an output of the multi-phase buck converter circuit, a detection controller coupled to the output terminals of the plurality of phase buck circuits, the detection controller configured to detect a fault in the plurality of phase buck circuits, and a drive circuit coupled to the detection controller and coupled to each second input terminal of the plurality of phase buck circuits. The drive circuit is configured to detect a faulty phase buck circuit and stop driving the faulty phase buck circuit.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Yuliang Lu, Wenbo Zhou, Yuanhui Zheng, Limin Li