Patents by Inventor William Krenik

William Krenik 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: 10819234
    Abstract: A system includes an inductor, and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node, wherein the second switch comprises a self-operated arrangement. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: October 27, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Ariel Dario Moctezuma, Hasibur Rahman, William Krenik, Yanqing Li
  • Publication number: 20200099295
    Abstract: A system includes an inductor, and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node, wherein the second switch comprises a self-operated arrangement. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches.
    Type: Application
    Filed: May 31, 2019
    Publication date: March 26, 2020
    Inventors: Ariel Dario MOCTEZUMA, Hasibur RAHMAN, William KRENIK, Yanqing LI
  • Patent number: 5493189
    Abstract: A switching scheme for driving a three-phase DC motor includes a first end of a first coil 20 coupled to a first end of a second coil 22 and a first end of a third coil 24. A first high side transistor 32 is coupled between a voltage source and a second end of the first coil 20. A second high side transistor 34 is coupled between the voltage source and a second end of the second coil 22. A third high side transistor 36 is coupled between the voltage source and a second end of the third coil 24. A first low side transistor 38 is coupled between the second end of the first coil 20 and a resistor 56. A second low side transistor 40 is coupled between the second end of the second coil 22 and the resistor 56. A third low side transistor 42 is coupled between the second end of the third coil 24 and the resistor 56. An output of a first low side driver 26 is coupled to a gate of the first low side transistor 38. An output of a second low side driver 28 is coupled to a gate of the second low side transistor 40.
    Type: Grant
    Filed: December 17, 1993
    Date of Patent: February 20, 1996
    Assignee: Texas Instruments Incorporated
    Inventors: Kuok Y. Ling, William Krenik