Patents by Inventor Robert Illing

Robert Illing 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: 11404866
    Abstract: An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch. The control circuit is configured to operate in one of at least two operation modes. The at least two operation modes comprise a first operation mode and a second operation mode. The control circuit, in the second operation mode, is configured to perform a set of basic functions and, in the first operation mode, is configured to perform the set of basic functions and at least one additional function. The at least one additional function comprises generating a first protection signal based on a current-time-characteristic of a load current of the electronic switch and driving the electronic switch based on the first protection signal.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: August 2, 2022
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Robert Illing, Christian Djelassi, Markus Ladurner, David Jansson, Mario Tripolt, Bernhard Marinelli, Alexander Mayer
  • Patent number: 11405032
    Abstract: An integrated circuit that may be employed as a smart switch is described herein. In accordance with one embodiment the integrated circuit includes a power transistor coupled between a supply pin and an output pin and a current sensing circuit coupled to the power transistor and configured to generate a current sense signal indicative of a load current passing through the power transistor. The integrated circuit further comprises a monitor circuit configured to receive the current sense signal and to provide a protection signal based on the current sense signal and a threshold value, wherein the monitor circuit includes a filter that is configured to receive a filter input signal that depends on the current sense signal. The filter has a transfer characteristic with two or more time constants.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: August 2, 2022
    Assignee: Infineon Technologies AG
    Inventors: Mirko Bernardoni, Robert Illing
  • Patent number: 11349471
    Abstract: An integrated circuit is described herein. In accordance with one embodiment the circuit includes a transistor coupled between a supply pin and an output pin, a current output circuit configured to provide a diagnosis current at an current output pin, a current sensing circuit coupled to the transistor and configured to generate a first current sense signal indicative of a load current passing through the transistor and a second current sense signal indicative of the load current. The current output circuit is configured to select, dependent on a control signal, one of the following as diagnosis current: the first current sense signal and the second current sense signal.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: May 31, 2022
    Assignee: Infineon Technologies AG
    Inventors: Alexander Mayer, Robert Illing, Marco Faricelli
  • Publication number: 20220069560
    Abstract: A circuit includes a monitor circuit. The monitor circuit includes a nonlinear functional unit configured to receive a current sense signal and to generate a power signal representing the power of the current sense signal. The circuit further includes a first filter configured to receive the power signal and to generate a first filtered signal and a second filter configured to receive an input signal that depends on the current sense signal and to generate a second filtered signal. A comparator circuit is configured to receive the first filtered signal and the second filtered signal and to compare the first filtered signal with a first threshold value and the second filtered signal with a second threshold value. The protection signal is indicative of whether the first filtered signal exceeds the first threshold value or the second filtered signal exceeds the second threshold value.
    Type: Application
    Filed: July 28, 2021
    Publication date: March 3, 2022
    Inventors: Mirko Bernardoni, Michael Asam, Christian Djelassi-Tscheck, Robert Illing, Martin Ringswirth, Mario Tripolt
  • Patent number: 11177644
    Abstract: A circuit may include an electronic switch that has a load current path coupled between an output node and a supply node and that is configured to connect or disconnect the output node and the supply node in accordance with a drive signal. Further, the circuit includes a monitoring circuit that is configured to receive a current sense signal, which represents the load current passing through the load current path, and that is further configured to determine a protection signal based on the current sense signal, a state of the monitoring circuit, and at least one wire parameter. The wire parameter characterizes a wire that is—during operation—connected to the output node, and the protection signal is indicative of whether to disconnect the output node from supply node. Further, the circuit includes a protection circuit connected to the monitoring circuit.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: November 16, 2021
    Assignee: Infineon Technologies AG
    Inventors: Alexander Mayer, Robert Illing, Marco Faricelli
  • Patent number: 11005472
    Abstract: In accordance with an embodiment, a method includes operating a transistor device by a drive circuit in one of a first operating mode and a second operating mode based on an operating mode signal received by the drive circuit. Operating the transistor device in each of the first operating mode and the second operating mode includes switching on the transistor device based on a drive signal received by the drive circuit; monitoring at least one operating parameter of the transistor device; and switching off the transistor device independent of the drive signal when the at least one operating parameter reaches a respective predefined off-threshold. Switching on the transistor device in the second operating mode includes switching on the transistor with a second slew rate that is smaller than a first slew rate in the first operating mode.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: May 11, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Robert Illing, Christian Djelassi-Tscheck
  • Patent number: 10998898
    Abstract: A method includes monitoring a load path voltage and an operating parameter of the transistor device; operating the transistor device in a normal mode when the operating parameter is below a threshold associated with the operating parameter, where operating the transistor device in the normal mode includes operating the transistor device in one of an on-state or an off-state based on a drive signal; and operating the transistor device in a fault mode upon detecting a fault based on comparing the operating parameter with the threshold. Operating the transistor device in the fault mode includes switching off the transistor device, operating the transistor device in the on-state includes adjusting the threshold in accordance with a first characteristic curve dependent on the load path voltage, and operating the transistor device in the off-state includes adjusting the threshold according to a second characteristic curve different from the first characteristic curve.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 4, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Robert Illing, Christian Djelassi-Tscheck, Alexander Mayer
  • Publication number: 20210126632
    Abstract: A driver circuit is provided. The driver circuit comprises a power transistor and a gate driver circuit arrangement. The driver circuit is integrated in a package. In addition, the driver circuit comprises a terminal for an external transistor. The external transistor and the power transistor are controlled by the gate driver circuit arrangement in a mutually corresponding manner.
    Type: Application
    Filed: October 23, 2020
    Publication date: April 29, 2021
    Inventors: Robert Illing, Christian Djelassi-Tscheck, Christof Glanzer
  • Patent number: 10965120
    Abstract: An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch and configured to operate in one of a first operation mode and a test mode. The control circuit comprises a test mode input and is configured to operate in the test mode based on a test signal received at the test mode input. The control circuit in the first operation mode is configured to generate a first protection signal based on a current-time-characteristic of a load current of the electronic switch and drive the electronic switch based on the first protection signal.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: March 30, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Robert Illing, Christian Djelassi
  • Publication number: 20210083659
    Abstract: An electronic fuse circuit includes an electronic switch with a load current path coupled between an output node and a supply node and that connects or disconnects the output node and the supply node in accordance with a drive signal. The circuit includes a control circuit to generate the drive signal based on an input signal. A monitoring circuit is included in the control circuit to receive a current sense signal representing the load current passing through the load current path and to determine a first protection signal based on the current sense signal and a wire parameter. The first protection signal is indicative of whether to disconnect the output node from supply node. The control circuit changes from normal mode to idle mode when the load current is below a given current threshold and another criterion is fulfilled.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 18, 2021
    Inventors: Alexander Mayer, Marco Faricelli, Robert Illing
  • Publication number: 20210050718
    Abstract: An integrated circuit that may be employed as a smart switch is described herein. In accordance with one embodiment the integrated circuit includes a power transistor coupled between a supply pin and an output pin and further includes a control circuit configured to trigger a switch-on and a switch-off of the power transistor in accordance with an input signal. The control circuit is configured to trigger a switch-off of the power transistor when a load current passing through the power transistor is at or above a predetermined current and a supply voltage received at the supply pin is at or below a predetermined threshold voltage.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 18, 2021
    Inventors: Christian Djelassi-Tscheck, Bernhard Auer, Thomas Blasius, Robert Illing, David Jacquinod, Michael Luschin, Andre Mourrier, Mario Tripolt
  • Publication number: 20210050848
    Abstract: An integrated circuit that may be employed as a smart switch is described herein. In accordance with one embodiment the integrated circuit includes a power transistor coupled between a supply pin and an output pin and a current sensing circuit coupled to the power transistor and configured to generate a current sense signal indicative of a load current passing through the power transistor. The integrated circuit further comprises a monitor circuit configured to receive the current sense signal and to provide a protection signal based on the current sense signal and a threshold value, wherein the monitor circuit includes a filter that is configured to receive a filter input signal that depends on the current sense signal. The filter has a transfer characteristic with two or more time constants.
    Type: Application
    Filed: July 8, 2020
    Publication date: February 18, 2021
    Inventors: Mirko Bernardoni, Robert Illing
  • Publication number: 20210028780
    Abstract: An integrated circuit is described herein. In accordance with one embodiment the circuit includes a transistor coupled between a supply pin and an output pin, a current output circuit configured to provide a diagnosis current at an current output pin, a current sensing circuit coupled to the transistor and configured to generate a first current sense signal indicative of a load current passing through the transistor and a second current sense signal indicative of the load current. The current output circuit is configured to select, dependent on a control signal, one of the following as diagnosis current: the first current sense signal and the second current sense signal.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 28, 2021
    Inventors: Alexander Mayer, Robert Illing, Marco Faricelli
  • Publication number: 20210028781
    Abstract: An integrated circuit may include a power transistor coupled between a supply pin and an output pin; a current sensing circuit configured to sense a load current passing through the power transistor and to provide a respective current sense signal; a first configuration pin; a current output circuit configured to provide a diagnosis current at a current output pin; a diagnosis pin for receiving a diagnosis request signal; and a control circuit configured to: select a characteristic curve representing a current versus time characteristic dependent on a external circuit connected to the first configuration pin; generate a drive signal for the power transistor dependent on the selected characteristic curve and the current sense signal; and control—dependent on a pulse pattern of the diagnosis request signal—the current output circuit to set the value of the diagnosis current such that it represents the load current or the selected characteristic curve.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 28, 2021
    Inventors: Alexander Mayer, Robert Illing, Marco Faricelli
  • Publication number: 20210028615
    Abstract: A circuit may include an electronic switch that has a load current path coupled between an output node and a supply node and that is configured to connect or disconnect the output node and the supply node in accordance with a drive signal. Further, the circuit includes a monitoring circuit that is configured to receive a current sense signal, which represents the load current passing through the load current path, and that is further configured to determine a protection signal based on the current sense signal, a state of the monitoring circuit, and at least one wire parameter. The wire parameter characterizes a wire that is—during operation—connected to the output node, and the protection signal is indicative of whether to disconnect the output node from supply node. Further, the circuit includes a protection circuit connected to the monitoring circuit.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 28, 2021
    Inventors: Alexander Mayer, Robert Illing, Marco Faricelli
  • Patent number: 10868418
    Abstract: In accordance with one example, the electronic switch has a load current path operably coupled to a load via a wire; the electronic switch is configured to connect or disconnect a load current supply node and the load via the wire dependent on a drive signal. Further, the electronic fuse circuit includes a monitoring circuit configured to receive a current sense signal representing the load current passing through the wire and to determine a first protection signal based on the current sense signal and at least one wire parameter. The first protection signal is indicative of whether to disconnect the load current supply node from the load. Moreover, the electronic fuse circuit includes a logic circuit configured to receive at least one selection signal and to set the at least one wire parameter based on the at least one selection signal.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: December 15, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Christian Djelassi-Tscheck, Robert Illing, Cosimo Lamacchia, Mario Tripolt
  • Patent number: 10840700
    Abstract: An embodiment electronic circuit includes an electronic switch comprising a load path, and a control circuit configured to drive the electronic switch. The control circuit is configured to operate in one of a first operation mode and a second operation mode based at least on a level of a load current of the electronic switch. In the first operation mode the control circuit is configured to generate a first protection signal based on a current-time-characteristic of the load current and drive the electronic switch based on the first protection signal. The control circuit is configured to generate a status signal such that the status signal has a wakeup pulse when the operation mode changes from the second operation mode to the first operation mode and, after the wakeup pulse, a signal level representing a level of the load current.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: November 17, 2020
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Robert Illing, Christian Djelassi, Markus Ladurner, David Jansson
  • Patent number: 10446469
    Abstract: A semiconductor device includes a base element and a copper element over the base element. The copper element includes a layer stack having at least two copper layers and at least one intermediate conductive layer of a material different from copper. The at least two copper layers and the at least one intermediate conductive layer are alternately stacked over each other.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: October 15, 2019
    Assignee: Infineon Technologies AG
    Inventors: Thomas Detzel, Johann Gross, Robert Illing, Maximilian Krug, Sven Gustav Lanzerstorfer, Michael Nelhiebel, Werner Robl, Michael Rogalli, Stefan Woehlert
  • Publication number: 20190267983
    Abstract: In accordance with an embodiment, a method includes operating a transistor device by a drive circuit in one of a first operating mode and a second operating mode based on an operating mode signal received by the drive circuit. Operating the transistor device in each of the first operating mode and the second operating mode includes switching on the transistor device based on a drive signal received by the drive circuit; monitoring at least one operating parameter of the transistor device; and switching off the transistor device independent of the drive signal when the at least one operating parameter reaches a respective predefined off-threshold. Switching on the transistor device in the second operating mode includes switching on the transistor with a second slew rate that is smaller than a first slew rate in the first operating mode.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Inventors: Robert Illing, Christian Djelassi-Tscheck
  • Patent number: 10396067
    Abstract: A semiconductor device includes a semiconductor body having opposite first and second surfaces. The semiconductor body includes a load current component having a load current transistor area and a sensor component having a sensor transistor area. The load current transistor area and the sensor transistor area share a same transistor unit construction. The load current transistor area includes first and second transistor area parts, and the sensor transistor area includes a third transistor area part. The first and the third transistor area parts differ from the second transistor area part between the first and the third transistor area parts by a load current transistor area element being absent in the second transistor area part. The second transistor area part is electrically disconnected from a parallel connection of the first and second transistor area parts by the load current transistor area element being absent in the second transistor area part.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: August 27, 2019
    Assignee: Infineon Technologies AG
    Inventors: Stefan Decker, Robert Illing, Michael Nelhiebel