Patents by Inventor Pao-Yao Yeh

Pao-Yao Yeh 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).

  • Multi-port power delivery system and related control method
    Patent number: 11221658
    Abstract: A multi-port power delivery system includes a first universal serial bus (USB) port, a second USB port, a first power conversion unit, a second power conversion unit, a power delivery control circuit and a switch circuit. The first USB port is configured to output power delivered to a first power path. The second USB port is configured to output power delivered to a second power path. The first power conversion unit has a first output terminal coupled to the first power path. The second power conversion unit has a second output terminal coupled to the second power path. The power delivery control circuit generates a switch control signal according to first connection information on the first USB port and second connection information on the second USB port. The switch circuit selectively couples the first output terminal to the second output terminal according to the switch control signal.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: January 11, 2022
    Assignee: ALPHA AND OMEGA SEMICONDUCTOR (CAYMAN), LTD.
    Inventors: Pao-Yao Yeh, Yu-Ming Chen, Jung-Pei Cheng, Hsiang-Chung Chang
  • MULTI-PORT POWER DELIVERY SYSTEM AND RELATED CONTROL METHOD
    Publication number: 20210223838
    Abstract: A multi-port power delivery system includes a first universal serial bus (USB) port, a second USB port, a first power conversion unit, a second power conversion unit, a power delivery control circuit and a switch circuit. The first USB port is configured to output power delivered to a first power path. The second USB port is configured to output power delivered to a second power path. The first power conversion unit has a first output terminal coupled to the first power path. The second power conversion unit has a second output terminal coupled to the second power path. The power delivery control circuit generates a switch control signal according to first connection information on the first USB port and second connection information on the second USB port. The switch circuit selectively couples the first output terminal to the second output terminal according to the switch control signal.
    Type: Application
    Filed: January 16, 2020
    Publication date: July 22, 2021
    Applicant: Alpha and Omega Semiconductor (Cayman) Ltd.
    Inventors: Pao-Yao Yeh, Yu-Ming Chen, Jung-Pei Cheng, Hsiang-Chung Chang