Patents by Inventor Tim M. Ng

Tim M. Ng 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).

  • Publication number: 20200067408
    Abstract: A method of calibrating a regulator includes: measuring at least one of a voltage and a current; comparing the measurement to a nominal value of the at least one of the voltage and the current; generating a correction parameter of the comparison of the measurement to the nominal value; and storing the correction parameter in a local memory of the regulator.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard C. Pierson
  • Patent number: 10483847
    Abstract: Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: November 19, 2019
    Assignee: Infineon Technologies Austria AG
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard C. Pierson
  • Publication number: 20160181916
    Abstract: Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter.
    Type: Application
    Filed: January 21, 2015
    Publication date: June 23, 2016
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard C. Pierson
  • Patent number: 9065339
    Abstract: Methods and apparatus of dynamic transient optimization in a voltage regulator according to various aspects of the present invention may comprise a transition detector configured to compare an output voltage error to an amplitude threshold. The voltage regulator may further comprise a frequency detector configured to measure the frequency of the amplitude threshold being exceeded and to compare the frequency to a frequency threshold and a response circuit configured to activate a response according to a comparison between the frequency threshold and the frequency of the amplitude threshold being exceeded.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: June 23, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Richard Pierson, Jinghong Guo, Tim M. Ng, Benjamim Tang, Amir Babazadeh, Scott Southwell
  • Publication number: 20150162827
    Abstract: Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter.
    Type: Application
    Filed: January 21, 2015
    Publication date: June 11, 2015
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard C. Pierson
  • Patent number: 8972216
    Abstract: Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: March 3, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard Pierson
  • Patent number: 8207720
    Abstract: Methods and apparatus for power supply load dump compensation according to various aspects of the present invention may operate in conjunction with a power stage system, such as a power stage system comprising a bootstrapped driver circuit and a power stage responsive to the driver circuit. The power stage system may further include a load dump compensation circuit connected to the driver circuit, wherein the load dump compensation circuit is configured to remove a bias current generated by the bootstrapped driver circuit. Various aspects of the present invention may be implemented in conjunction with any appropriate power supply, such as a switching regulator, for example a buck converter.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: June 26, 2012
    Assignee: Infineon Technologies Austria AG
    Inventors: Benjamin Tang, Tim M. Ng
  • Publication number: 20110221405
    Abstract: Methods and apparatus for a power regulator according to various aspects of the present invention may comprise a sensor adapted to generate a measurement of a voltage or a current. A memory may store a correction parameter that corresponds to the measurement, and a correction system may be adapted to adjust the measurement according to the correction parameter.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Inventors: Benjamim Tang, Chun-Yen Lin, Rohan Samsi, Jinghong Guo, Tim M. Ng, Richard Pierson
  • Patent number: 5856760
    Abstract: A low-noise, low-distortion clamping scheme includes a bootstrapped voltage clamp and an R.sub.gm current clamp that provide superior overdrive protection when used together in a Class-AB feedback amplifier. The bootstrapped voltage clamp includes a transistor that is connected to a circuit node to be clamped. The transistor's base is bootstrapped to the node to maintain a constant V.sub.be when not clamping, to reduce the adverse effects of the junction capacitance C.sub.je which would normally vary with the node voltage and distort the signal at the node. Two such clamps provide positive and negative voltage limiting. The R.sub.gm current clamp is used in the input stage of a Class-AB feedback amplifier to limit the current through the resistor R.sub.gm that interconnects the current inputs of two transconductance amplifiers whenever the voltage drop across R.sub.gm increases to an unacceptable level.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: January 5, 1999
    Assignee: Raytheon Company
    Inventors: Khanh Lam, Lloyd F. Linder, Carrie C. Lo, Tim M. Ng, Kelvin T. Tran
  • Patent number: 5128674
    Abstract: A multiplying digital-to-analog converter for multiplying a bipolar input current by a digital word A having N bits a.sub.i including a current adder for adding a constant current to the bipolar input current to produce a unipolar current, a first current mirror responsive to the unipolar current for providing N binary weighted versions of the unipolar current, a second current mirror for providing binary weighted versions of the constant current, N current selection circuits respectively controlled the N bits a.sub.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: July 7, 1992
    Assignee: Hughes Aircraft Company
    Inventors: Kam W. Kong, John M. Burns, Tim M. Ng