Patents by Inventor David Jacquinod
David Jacquinod 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).
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Patent number: 11955957Abstract: In accordance with an embodiment, a circuit for driving an electronic switch includes a control circuit configured to trigger a switch-on and a switch-off of the electronic switch in accordance with an input signal, wherein the control circuit is further configured to trigger the switch-off of the electronic switch in response to an under-voltage signal signaling an under-voltage state; and an under-voltage detection circuit configured to signal the under-voltage state when a supply voltage received at a supply node is below an under-voltage threshold value, wherein the under-voltage threshold value depends on a load current passing through the electronic switch.Type: GrantFiled: November 16, 2021Date of Patent: April 9, 2024Assignee: Infineon Technologies AGInventors: Christian Djelassi-Tscheck, Michael Asam, Mirko Bernardoni, David Jacquinod, Andre Mourrier, Mario Tripolt
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Patent number: 11843238Abstract: According to an embodiment, a current monitoring circuit includes a signal shaping unit configured to receive a current sense signal and provide a modified current signal; a filter configured to receive the modified current signal and to provide a respective filtered signal; a comparator configured to receive the filtered signal and a threshold value and to indicate when the filtered signal exceeds the threshold value. The signal shaping unit is configured to calculate a level of the modified current signal from a corresponding level of the current sense signal in accordance with non-linear function.Type: GrantFiled: October 19, 2021Date of Patent: December 12, 2023Assignee: Infineon Technologies AGInventors: Michael Asam, Mirko Bernardoni, David Jacquinod, Louis Janinet, Andre Mourrier
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Patent number: 11431162Abstract: 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: GrantFiled: August 12, 2020Date of Patent: August 30, 2022Assignee: Infineon Technologies AGInventors: Christian Djelassi-Tscheck, Bernhard Auer, Thomas Blasius, Robert Illing, David Jacquinod, Michael Luschin, Andre Mourrier, Mario Tripolt
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Publication number: 20220166422Abstract: In accordance with an embodiment, a circuit for driving an electronic switch includes a control circuit configured to trigger a switch-on and a switch-off of the electronic switch in accordance with an input signal, wherein the control circuit is further configured to trigger the switch-off of the electronic switch in response to an under-voltage signal signaling an under-voltage state; and an under-voltage detection circuit configured to signal the under-voltage state when a supply voltage received at a supply node is below an under-voltage threshold value, wherein the under-voltage threshold value depends on a load current passing through the electronic switch.Type: ApplicationFiled: November 16, 2021Publication date: May 26, 2022Inventors: Christian Djelassi-Tscheck, Michael Asam, Mirko Bernardoni, David Jacquinod, Andre Mourrier, Mario Tripolt
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Publication number: 20220140594Abstract: According to an embodiment, a current monitoring circuit includes a signal shaping unit configured to receive a current sense signal and provide a modified current signal; a filter configured to receive the modified current signal and to provide a respective filtered signal; a comparator configured to receive the filtered signal and a threshold value and to indicate when the filtered signal exceeds the threshold value. The signal shaping unit is configured to calculate a level of the modified current signal from a corresponding level of the current sense signal in accordance with non-linear function.Type: ApplicationFiled: October 19, 2021Publication date: May 5, 2022Inventors: Michael Asam, Mirko Bernardoni, David Jacquinod, Louis Janinet, Andre Mourrier
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Publication number: 20210050718Abstract: 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: ApplicationFiled: August 12, 2020Publication date: February 18, 2021Inventors: Christian Djelassi-Tscheck, Bernhard Auer, Thomas Blasius, Robert Illing, David Jacquinod, Michael Luschin, Andre Mourrier, Mario Tripolt
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Patent number: 7619865Abstract: A circuit protective device includes a current sensing circuit adapted to be coupled to an output power switch to provide a feedback signal representative of the output current, an overcurrent sensor responsive to the feedback signal exceeding a presettable reference level to provide an overcurrent alert signal, a function generator responsive to the feedback signal to generate a first signal related to the output current according to a preset functional relationship, an integration circuit coupled to the output of the function generator to provide a second signal representative of the product of the first signal and t, where t is the elapsed time following generation of an overcurrent alert signal, and a control circuit responsive to a presettable value of the second signal to disable a gating circuit for the power switch, the shut-down signal being provided at a time which depends on the magnitude of the overcurrent signal.Type: GrantFiled: July 29, 2005Date of Patent: November 17, 2009Assignee: International Rectifier CorporationInventors: Vincent Thiery, David Jacquinod
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Publication number: 20060023383Abstract: A circuit protective device includes a current sensing circuit adapted to be coupled to an output power switch to provide a feedback signal representative of the output current, an overcurrent sensor responsive to the feedback signal exceeding a presettable reference level to provide an overcurrent alert signal, a function generator responsive to the feedback signal to generate a first signal related to the output current according to a preset functional relationship, an integration circuit coupled to the output of the function generator to provide a second signal representative of the product of the first signal and t, where t is the elapsed time following generation of an overcurrent alert signal, and a control circuit responsive to a presettable value of the second signal to disable a gating circuit for the power switch, the shut-down signal being provided at a time which depends on the magnitude of the overcurrent signal.Type: ApplicationFiled: July 29, 2005Publication date: February 2, 2006Inventors: Vincent Thiery, David Jacquinod