Patents by Inventor Glenn C. Dunlap, III

Glenn C. Dunlap, III 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: 7642842
    Abstract: A system and method is disclosed for providing communication of an over-current protection signal and current mode control signals between a controller chip and a power chip in an integrated circuit device that comprises a plurality of integrated circuit chips. The controller chip sends pulse width modulation signals and a reference current signal to the power chip. Current flow status detection circuitry in the power chip detects a current flow status in the power chip and provides a current flow status signal to the controller chip. The current flow status signal may comprise an over-current protection signal or current mode control signals. One advantageous embodiment of the invention comprises a switch mode power supply integrated circuit.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: January 5, 2010
    Assignee: National Semiconductor Corporation
    Inventors: Gregory J. Smith, Paul Ranucci, Glenn C. Dunlap, III, David Megaw