Patents by Inventor Siddaram MATHAPATHI

Siddaram MATHAPATHI 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).

  • SWITCHING CONVERTER CONTROL LOOP AND DYNAMIC REFERENCE VOLTAGE ADJUSTMENT
    Publication number: 20240113623
    Abstract: A controller includes: a pulse-width modulation (PWM) circuit; a control loop; and a reference voltage controller. The control loop has: a feedback input adapted to be coupled to an output voltage of a power stage; a control loop output coupled to a PWM control input; and an operational amplifier with a first feedback input, a first reference input, and an amplifier output, the first feedback input connected to the feedback input, and the amplifier output coupled to the PWM control input. The reference voltage controller has a reference voltage output coupled to the first reference input, the reference voltage controller configured to adjust a reference voltage provided to the reference voltage output responsive to a dynamic error estimate based on error in the operational amplifier.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Inventors: Bikash Kumar PRADHAN, Preetam Charan Anand TADEPARTHY, Muthusubramanian VENKATESWARAN, Venkatesh WADEYAR, Siddaram MATHAPATHI
  • Switching converter control loop and dynamic reference voltage adjustment
    Patent number: 11881774
    Abstract: A controller includes: a pulse-width modulation (PWM) circuit; a control loop; and a reference voltage controller. The control loop has: a feedback input adapted to be coupled to an output voltage of a power stage; a control loop output coupled to a PWM control input; and an operational amplifier with a first feedback input, a first reference input, and an amplifier output, the first feedback input connected to the feedback input, and the amplifier output coupled to the PWM control input. The reference voltage controller has a reference voltage output coupled to the first reference input, the reference voltage controller configured to adjust a reference voltage provided to the reference voltage output responsive to a dynamic error estimate based on error in the operational amplifier.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 23, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Bikash Kumar Pradhan, Preetam Charan Anand Tadeparthy, Muthusubramanian Venkateswaran, Venkatesh Wadeyar, Siddaram Mathapathi
  • SWITCHING CONVERTER CONTROL LOOP AND DYNAMIC REFERENCE VOLTAGE ADJUSTMENT
    Publication number: 20220294344
    Abstract: A controller includes: a pulse-width modulation (PWM) circuit; a control loop; and a reference voltage controller. The control loop has: a feedback input adapted to be coupled to an output voltage of a power stage; a control loop output coupled to a PWM control input; and an operational amplifier with a first feedback input, a first reference input, and an amplifier output, the first feedback input connected to the feedback input, and the amplifier output coupled to the PWM control input. The reference voltage controller has a reference voltage output coupled to the first reference input, the reference voltage controller configured to adjust a reference voltage provided to the reference voltage output responsive to a dynamic error estimate based on error in the operational amplifier.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 15, 2022
    Inventors: Bikash Kumar PRADHAN, Preetam Charan Anand TADEPARTHY, Muthusubramanian VENKATESWARAN, Venkatesh WADEYAR, Siddaram MATHAPATHI
  • Pinstrap detection circuit
    Patent number: 11211940
    Abstract: In at least some examples, an integrated circuit includes an input pin and an analog-to-digital converter (ADC) comprising an input terminal coupled to the input pin and an output terminal. The integrated circuit further includes a logic circuit comprising an input terminal coupled to the output terminal of the ADC, a first output terminal, and a second output terminal. The integrated circuit further includes a resistance circuit. In an example, the resistance circuit includes a resistor coupled between the input pin and a first node, a first switch coupled between the first node and a reference voltage pin, and a second switch coupled between the first node and a ground pin.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: December 28, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Vibha Goenka, Preetam Charan Anand Tadeparthy, Vikram Gakhar, Muthusubramanian Venkateswaran, Siddaram Mathapathi
  • PINSTRAP DETECTION CIRCUIT
    Publication number: 20210203346
    Abstract: In at least some examples, an integrated circuit includes an input pin and an analog-to-digital converter (ADC) comprising an input terminal coupled to the input pin and an output terminal. The integrated circuit further includes a logic circuit comprising an input terminal coupled to the output terminal of the ADC, a first output terminal, and a second output terminal. The integrated circuit further includes a resistance circuit. In an example, the resistance circuit includes a resistor coupled between the input pin and a first node, a first switch coupled between the first node and a reference voltage pin, and a second switch coupled between the first node and a ground pin.
    Type: Application
    Filed: December 31, 2019
    Publication date: July 1, 2021
    Inventors: Vibha GOENKA, Preetam Charan Anand TADEPARTHY, Vikram GAKHAR, Muthusubramanian VENKATESWARAN, Siddaram MATHAPATHI