Patents by Inventor Roberto Giampiero Massolini

Roberto Giampiero Massolini 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: 11756718
    Abstract: A transformer respectively includes a first isolation barrier, a first inductive element, a second isolation barrier, and a second inductive element. The first isolation barrier and second isolation barrier each comprise multiple isolation layers. The transformer also includes magnetic material including a top magnetic portion disposed above the first isolation barrier. The transformer also includes a bottom magnetic portion disposed below the second inductive element; The transformer further includes an intermediary magnetic portion extending from the top magnetic portion to the bottom magnetic portion via a through-hole within the first isolation barrier, first inductive element, second isolation barrier, and second inductive element. The transformer yet further includes at least one lateral magnetic portion extending from the top magnetic portion to the bottom magnetic portion.
    Type: Grant
    Filed: December 30, 2018
    Date of Patent: September 12, 2023
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Zhemin Zhang, Roberto Giampiero Massolini, Joyce Marie Mullenix
  • Patent number: 11270937
    Abstract: An integrated circuit (IC) package comprises a semiconductor die, a leadframe comprising a plurality of leads coupled to bond pads on the semiconductor die, and an electrically conductive member electrically coupled to the leadframe. A magnetic mold compound encapsulates the electrically conductive member to form an inductor. A non-magnetic mold compound encapsulates the semiconductor die, the leadframe, and the magnetic mold compound.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: March 8, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dongbin Hou, Steven Alfred Kummerl, Roberto Giampiero Massolini, Joyce Marie Mullenix
  • Patent number: 11257739
    Abstract: A method includes forming a first magnetic material on a first surface of a conductive loop, forming a second magnetic material on a second surface of the conductive loop opposite the first surface to form an inductor, attaching a semiconductor die to a leadframe, and attaching the inductor to the leadframe with solder balls. The semiconductor die is between the inductor and the leadframe. The conductive loop: spans parallel to the leadframe; or is between the first magnetic material and the second magnetic material.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: February 22, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Joyce Marie Mullenix, Roberto Giampiero Massolini, Rajeev D. Joshi
  • Patent number: 11133375
    Abstract: In an integrated circuit (IC), a semiconductor substrate has a first side and an opposite second side. The second side has a trench. Circuitry is on the first side. An inductive structure is within the trench. The inductive structure is connected to the circuitry through vias in the semiconductor substrate. The semiconductor substrate is mounted on a package substrate. At least a portion of the inductive structure contacts the package substrate. The circuitry is coupled to the inductive structure through wires to the package substrate.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: September 28, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Benjamin Stassen Cook, Roberto Giampiero Massolini, Daniel Carothers
  • Patent number: 11094449
    Abstract: For isolation barrier with magnetics, an apparatus includes an isolation laminate including a dielectric core having a first surface and a second surface opposed to the first surface; at least one conductive layer configured as a first transformer coil overlying the first surface; a first dielectric layer surrounding the at least one conductive layer; a first magnetic layer overlying the at least one conductive layer; at least one additional conductive layer configured as a second transformer coil overlying the second surface; a second dielectric layer surrounding the at least one additional conductive layer; and a second magnetic layer overlying the at least one additional conductive layer. Methods for forming the isolation barriers and additional apparatus arrangements are also described.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: August 17, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Roberto Giampiero Massolini, Vijaylaxmi Khanolkar, Joyce Mullenix, Rais Miftakhutdinov
  • Patent number: 11005489
    Abstract: In at least some embodiments, a system comprises a frequency generator configured to generate a second clock signal having a second frequency using a first clock signal having a first frequency. The second frequency is offset from the first frequency and each of a plurality of harmonic frequencies of the second frequency is offset from a harmonic frequency of the first frequency. The system also includes a power converter configured to produce a power signal that at least partially corresponds to the second frequency. The system further comprises an analog-to-digital converter (ADC) configured to sample and convert analog voltages at the first frequency. The ADC is powered by the power signal.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: May 11, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Martijn Fridus Snoeij, Mikhail Valeryevich Ivanov, Roberto Giampiero Massolini, Brian David Johnson
  • Publication number: 20200343164
    Abstract: A method includes forming a first magnetic material on a first surface of a conductive loop, forming a second magnetic material on a second surface of the conductive loop opposite the first surface to form an inductor, attaching a semiconductor die to a leadframe, and attaching the inductor to the leadframe with solder balls. The semiconductor die is between the inductor and the leadframe. The conductive loop: spans parallel to the leadframe; or is between the first magnetic material and the second magnetic material.
    Type: Application
    Filed: July 13, 2020
    Publication date: October 29, 2020
    Inventors: Joyce Marie Mullenix, Roberto Giampiero Massolini, Rajeev D. Joshi
  • Publication number: 20200321430
    Abstract: In an integrated circuit (IC), a semiconductor substrate has a first side and an opposite second side. The second side has a trench. Circuitry is on the first side. An inductive structure is within the trench. The inductive structure is connected to the circuitry through vias in the semiconductor substrate. The semiconductor substrate is mounted on a package substrate. At least a portion of the inductive structure contacts the package substrate. The circuitry is coupled to the inductive structure through wires to the package substrate.
    Type: Application
    Filed: June 18, 2020
    Publication date: October 8, 2020
    Inventors: Benjamin Stassen Cook, Roberto Giampiero Massolini, Daniel Carothers
  • Patent number: 10727754
    Abstract: Disclosed examples include isolated dual active bridge (DAB) DC to DC converters with first and second bridge circuits, a transformer with a sense coil, and a secondary side control circuit to provide secondary side switching control signals to regulate an output voltage or current signal by controlling a phase shift angle between switching transitions of the secondary side switching control signals and switching transitions of a secondary side clock signal, where the secondary side control circuit includes a clock recovery circuit to synchronize the secondary side clock signal to transitions in a sense coil voltage signal of the sense coil.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 28, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Pierluigi Albertini, Maurizio Granato, Giacomo Calabrese, Roberto Giampiero Massolini, Joyce Marie Mullenix, Giovanni Frattini
  • Patent number: 10714412
    Abstract: A semiconductor package includes a leadframe comprising input/output pins accessible external to the semiconductor package and a semiconductor die electrically connected to the leadframe. The semiconductor package also includes a passive electrical component mounted on a side of the semiconductor die opposite the leadframe. Mold compound encapsulates the passive electrical component, semiconductor die, and leadframe to form the semiconductor package. Associated methods are disclosed as well.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: July 14, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Joyce Marie Mullenix, Roberto Giampiero Massolini, Rajeev D. Joshi
  • Publication number: 20200211959
    Abstract: An integrated circuit (IC) package comprises a semiconductor die, a leadframe comprising a plurality of leads coupled to bond pads on the semiconductor die, and an electrically conductive member electrically coupled to the leadframe. A magnetic mold compound encapsulates the electrically conductive member to form an inductor. A non-magnetic mold compound encapsulates the semiconductor die, the leadframe, and the magnetic mold compound.
    Type: Application
    Filed: December 26, 2018
    Publication date: July 2, 2020
    Inventors: Dongbin HOU, Steven Alfred KUMMERL, Roberto Giampiero MASSOLINI, Joyce Marie MULLENIX
  • Publication number: 20200211754
    Abstract: A transformer respectively includes a first isolation barrier, a first inductive element, a second isolation barrier, and a second inductive element. The first isolation barrier and second isolation barrier each comprise multiple isolation layers. The transformer also includes magnetic material including a top magnetic portion disposed above the first isolation barrier. The transformer also includes a bottom magnetic portion disposed below the second inductive element; The transformer further includes an intermediary magnetic portion extending from the top magnetic portion to the bottom magnetic portion via a through-hole within the first isolation barrier, first inductive element, second isolation barrier, and second inductive element. The transformer yet further includes at least one lateral magnetic portion extending from the top magnetic portion to the bottom magnetic portion.
    Type: Application
    Filed: December 30, 2018
    Publication date: July 2, 2020
    Inventors: Zhemin ZHANG, Roberto Giampiero MASSOLINI, Joyce Marie MULLENIX
  • Patent number: 10692964
    Abstract: An integrated circuit (IC) includes a circuit substrate having a front side surface and an opposite back side surface. Active circuitry is located on the front side surface. An inductive structure is located within a deep trench formed in the circuit substrate below the backside surface. The inductive structure is coupled to the active circuitry.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: June 23, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Benjamin Stassen Cook, Roberto Giampiero Massolini, Daniel Carothers
  • Publication number: 20200153449
    Abstract: In at least some embodiments, a system comprises a frequency generator configured to generate a second clock signal having a second frequency using a first clock signal having a first frequency. The second frequency is offset from the first frequency and each of a plurality of harmonic frequencies of the second frequency is offset from a harmonic frequency of the first frequency. The system also includes a power converter configured to produce a power signal that at least partially corresponds to the second frequency. The system further comprises an analog-to-digital converter (ADC) configured to sample and convert analog voltages at the first frequency. The ADC is powered by the power signal.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Inventors: Martijn Fridus SNOEIJ, Mikhail Valeryevich IVANOV, Roberto Giampiero MASSOLINI, Brian David JOHNSON
  • Publication number: 20200105458
    Abstract: For isolation barrier with magnetics, an apparatus includes an isolation laminate including a dielectric core having a first surface and a second surface opposed to the first surface; at least one conductive layer configured as a first transformer coil overlying the first surface; a first dielectric layer surrounding the at least one conductive layer; a first magnetic layer overlying the at least one conductive layer; at least one additional conductive layer configured as a second transformer coil overlying the second surface; a second dielectric layer surrounding the at least one additional conductive layer; and a second magnetic layer overlying the at least one additional conductive layer. Methods for forming the isolation barriers and additional apparatus arrangements are also described.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Inventors: Roberto Giampiero Massolini, Vijaylaxmi Khanolkar, Joyce Mullenix, Rais Miftakhutdinov
  • Patent number: 10574252
    Abstract: In at least some embodiments, a system comprises a frequency generator configured to generate a second clock signal having a second frequency using a first clock signal having a first frequency. The second frequency is offset from the first frequency and each of a plurality of harmonic frequencies of the second frequency is offset from a harmonic frequency of the first frequency. The system also includes a power converter configured to produce a power signal that at least partially corresponds to the second frequency. The system further comprises an analog-to-digital converter (ADC) configured to sample and convert analog voltages at the first frequency. The ADC is powered by the power signal.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 25, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Martijn Fridus Snoeij, Mikhail Valeryevich Ivanov, Roberto Giampiero Massolini, Brian David Johnson
  • Patent number: 10497506
    Abstract: Methods and apparatus for isolation barrier with magnetics. In an example arrangement, an apparatus includes an isolation laminate including a dielectric core having a first surface and a second surface opposed to the first surface; at least one conductive layer configured as a first transformer coil overlying the first surface; a first dielectric layer surrounding the at least one conductive layer; a first magnetic layer overlying the at least one conductive layer; at least one additional conductive layer configured as a second transformer coil overlying the second surface; a second dielectric layer surrounding the at least one additional conductive layer; and a second magnetic layer overlying the at least one additional conductive layer. Methods for forming the isolation barriers and additional apparatus arrangements are also disclosed.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 3, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Roberto Giampiero Massolini, Vijaylaxmi Khanolkar, Joyce Mullenix, Rais Miftakhutdinov
  • Patent number: 10432102
    Abstract: Disclosed examples include isolated dual active bridge (DAB) DC to DC converters with first and second bridge circuits, a transformer with a sense coil, and a secondary side control circuit to provide secondary side switching control signals to regulate an output voltage or current signal by controlling a phase shift angle between switching transitions of the secondary side switching control signals and switching transitions of a secondary side clock signal, where the secondary side control circuit includes a clock recovery circuit to synchronize the secondary side clock signal to transitions in a sense coil voltage signal of the sense coil.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: October 1, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Pierluigi Albertini, Maurizio Granato, Giacomo Calabrese, Roberto Giampiero Massolini, Joyce Marie Mullenix, Giovanni Frattini
  • Patent number: 10396016
    Abstract: One example includes a device that is comprised of a die, a leadframe, and an electrically conductive material. The die includes a circuit therein. The leadframe is coupled with the die and the circuit therein. The electrically conductive material is disposed in a space above the die opposite the leadframe, the electrically conductive material being coupled to the leadframe and configured as one or more turns thereof to form at least one inductor.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: August 27, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Joyce Marie Mullenix, Roberto Giampiero Massolini, Kristen Nguyen Parrish, Osvalod Jorge Lopez, Jonathan Almeria Noquil
  • Publication number: 20190229637
    Abstract: Disclosed examples include isolated dual active bridge (DAB) DC to DC converters with first and second bridge circuits, a transformer with a sense coil, and a secondary side control circuit to provide secondary side switching control signals to regulate an output voltage or current signal by controlling a phase shift angle between switching transitions of the secondary side switching control signals and switching transitions of a secondary side clock signal, where the secondary side control circuit includes a clock recovery circuit to synchronize the secondary side clock signal to transitions in a sense coil voltage signal of the sense coil.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 25, 2019
    Inventors: Pierluigi Albertini, Maurizio Granato, Giacomo Calabrese, Roberto Giampiero Massolini, Joyce Marie Mullenix, Giovanni Frattini