Patents by Inventor Abdul Rashid Abdul Halim

Abdul Rashid Abdul Halim 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).

  • Battery protection circuit with isolation device failure detection
    Patent number: 11502520
    Abstract: A battery module includes a first load terminal, a second load terminal, a first charger terminal, a charger enable terminal, and a battery having a first battery terminal coupled to the first load terminal and a second terminal coupled to the second load terminal. A first isolation device is coupled between the first load terminal and the first charger terminal and has an enable terminal coupled to the charger enable terminal. A first protection circuit includes a second isolation device coupled between the second battery terminal and the second load terminal and a first sensing circuit configured to enable the second isolation device responsive to detecting a failure of the first isolation device.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: November 15, 2022
    Assignee: MOTOROLA SOLUTIONS, INC.
    Inventors: Muhamad Ridzuan Azizan, Abdul Rashid Abdul Halim, Friedrich Bollmann, Kow Chee Chong, Jeevan Kanesalingam, Macwien Krishnamurthi, Chen Kok Yeoh
  • BATTERY PROTECTION CIRCUIT WITH ISOLATION DEVICE FAILURE DETECTION
    Publication number: 20210265847
    Abstract: A battery module includes a first load terminal, a second load terminal, a first charger terminal, a charger enable terminal, and a battery having a first battery terminal coupled to the first load terminal and a second terminal coupled to the second load terminal. A first isolation device is coupled between the first load terminal and the first charger terminal and has an enable terminal coupled to the charger enable terminal. A first protection circuit includes a second isolation device coupled between the second battery terminal and the second load terminal and a first sensing circuit configured to enable the second isolation device responsive to detecting a failure of the first isolation device.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 26, 2021
    Inventors: Muhamad Ridzuan Azizan, Abdul Rashid Abdul Halim, Friedrich Bollmann, Kow Chee Chong, Jeevan Kanesalingam, Macwien Krishnamurthi, Chen Kok Yeoh