Patents by Inventor Andrea Carletti
Andrea Carletti 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: 10411689Abstract: In one example, a method includes selectively activating, by control logic and based on a control signal, a switch; in response to determining that an electrical characteristic of a signal provided to the switch satisfies a threshold while the switch is deactivated, activating, by the control logic and regardless of the control signal, the switch until determining that a potential of the signal provided to the switch satisfies a threshold potential; and in response to determining that the potential of the signal provided to the switch satisfies the threshold potential, deactivating the switch.Type: GrantFiled: July 28, 2016Date of Patent: September 10, 2019Assignee: Infineon Technologies AGInventors: Andrea Carletti, Gerold Schrittesser, Albino Pidutti
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Patent number: 10250029Abstract: A semiconductor device, overvoltage detection structure is described that includes a current path including a Zener diode connected in series with a fuse. The Zener diode is configured to conduct a current in response to an overvoltage condition at a semiconductor device and the fuse is configured to permanently break the current path of the overvoltage detection structure in response to the Zener diode conducting the current.Type: GrantFiled: May 20, 2016Date of Patent: April 2, 2019Assignee: Infineon Technologies AGInventors: Andrea Carletti, Gerold Schrittesser, Albino Pidutti
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Publication number: 20180034457Abstract: In one example, a method includes selectively activating, by control logic and based on a control signal, a switch; in response to determining that an electrical characteristic of a signal provided to the switch satisfies a threshold while the switch is deactivated, activating, by the control logic and regardless of the control signal, the switch until determining that a potential of the signal provided to the switch satisfies a threshold potential; and in response to determining that the potential of the signal provided to the switch satisfies the threshold potential, deactivating the switch.Type: ApplicationFiled: July 28, 2016Publication date: February 1, 2018Inventors: Andrea Carletti, Gerold Schrittesser, Albino Pidutti
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Publication number: 20170338648Abstract: A semiconductor device, overvoltage detection structure is described that includes a current path including a Zener diode connected in series with a fuse. The Zener diode is configured to conduct a current in response to an overvoltage condition at a semiconductor device and the fuse is configured to permanently break the current path of the overvoltage detection structure in response to the Zener diode conducting the current.Type: ApplicationFiled: May 20, 2016Publication date: November 23, 2017Inventors: Andrea Carletti, Gerold Schrittesser, Albino Pidutti
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Patent number: 9470738Abstract: In one example, a method includes receiving, at an input of a system, an AC signal, rectifying the AC signal into a DC signal, and determining, based on a value of one or more counters in a detection logic, whether or not the input is connected to ground.Type: GrantFiled: February 11, 2014Date of Patent: October 18, 2016Assignee: Infineon Technologies AGInventor: Andrea Carletti
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Patent number: 9450436Abstract: In accordance with an embodiment, a circuit includes a direct current (DC) output configured to be coupled to a rechargeable battery and a power factor corrector circuit coupled to the DC output, where the power factor corrector circuit includes a controller, and where the controller is configured to determine a switching frequency of the power factor corrector circuit in accordance with a battery charging curve of the rechargeable battery.Type: GrantFiled: October 23, 2015Date of Patent: September 20, 2016Assignee: Infineon Technologies AGInventors: Andrea Carletti, Albino Pidutti
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Patent number: 9444331Abstract: In accordance with an embodiment, a circuit includes a switch coupled between a first reference terminal and a first output terminal, an inductive element coupled between an input terminal and a second output terminal, and a diode coupled between the first output terminal and the input terminal. The circuit further includes a controller coupled to a control terminal of the switch. The controller is configured to determine a switching signal based on an output signal at the second output terminal and provide the switching signal to the control terminal of the switch.Type: GrantFiled: July 29, 2013Date of Patent: September 13, 2016Assignee: Infineon Technologies AGInventors: Andrea Carletti, Mathias Kiele-Dunsche
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Patent number: 9343955Abstract: An electronic device includes a controller configured to apply slope compensation to a reference signal in a power factor corrector. The device also configured to adjust the slope compensation based on an input voltage of the power factor corrector.Type: GrantFiled: January 31, 2013Date of Patent: May 17, 2016Assignee: Infineon Technologies AGInventors: Albino Pidutti, Andrea Carletti
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Publication number: 20160043588Abstract: In accordance with an embodiment, a circuit includes a direct current (DC) output configured to be coupled to a rechargeable battery and a power factor corrector circuit coupled to the DC output, where the power factor corrector circuit includes a controller, and where the controller is configured to determine a switching frequency of the power factor corrector circuit in accordance with a battery charging curve of the rechargeable battery.Type: ApplicationFiled: October 23, 2015Publication date: February 11, 2016Inventors: Andrea Carletti, Albino Pidutti
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Patent number: 9190900Abstract: In accordance with an embodiment, an electronic device includes a controller configured to be coupled to a first switch of a power factor corrector. The controller is configured to produce a variable switching frequency depending on a load current. For a first load current, the controller is configured to produce a first switching frequency, and for a second load current, the controller is configured to produce a second switching frequency.Type: GrantFiled: October 15, 2012Date of Patent: November 17, 2015Assignee: INFINEON TECHNOLOGIES AGInventors: Andrea Carletti, Albino Pidutti
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Patent number: 9147630Abstract: A method and apparatus for assembling a power semiconductor is provided. A device includes a printed circuit board, a heat sink, and a semiconductor chip package. The semiconductor chip package is located between the printed circuit board and the heat sink. A heat-generating surface of the semiconductor chip package is oriented such that the heat-generating surface faces the heat sink.Type: GrantFiled: March 5, 2013Date of Patent: September 29, 2015Assignee: Infineon Technologies AGInventor: Andrea Carletti
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Publication number: 20150226779Abstract: In one example, a method includes receiving, at an input of a system, an AC signal, rectifying the AC signal into a DC signal, and determining, based on a value of one or more counters in a detection logic, whether or not the input is connected to ground.Type: ApplicationFiled: February 11, 2014Publication date: August 13, 2015Applicant: Infineon Technologies AGInventor: Andrea Carletti
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Patent number: 8988039Abstract: A power converter circuit includes input terminals configured to receive an input voltage and an input current and output terminals configured to provide an output voltage and an output current. A boost converter stage is coupled between the input terminals and the output terminals. The power converter circuit is operable to operate in one of a first operation mode, a second operation mode, and a third operation mode dependent on the output voltage. The first, second and third operation modes are mutually different. In each of the first, second and third operation modes, the input current is controlled dependent on the input voltage.Type: GrantFiled: May 15, 2012Date of Patent: March 24, 2015Assignee: Infineon Technologies AGInventor: Andrea Carletti
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Publication number: 20150028836Abstract: In accordance with an embodiment, a circuit includes a switch coupled between a first reference terminal and a first output terminal, an inductive element coupled between an input terminal and a second output terminal, and a diode coupled between the first output terminal and the input terminal. The circuit further includes a controller coupled to a control terminal of the switch. The controller is configured to determine a switching signal based on an output signal at the second output terminal and provide the switching signal to the control terminal of the switch.Type: ApplicationFiled: July 29, 2013Publication date: January 29, 2015Applicant: Infineon Technologies AGInventors: Andrea Carletti, Mathias Kiele-Dunsche
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Publication number: 20140252583Abstract: A method and apparatus for assembling a power semiconductor is provided. A device includes a printed circuit board, a heat sink, and a semiconductor chip package. The semiconductor chip package is located between the printed circuit board and the heat sink. A heat-generating surface of the semiconductor chip package is oriented such that the heat-generating surface faces the heat sink.Type: ApplicationFiled: March 5, 2013Publication date: September 11, 2014Applicant: INFINEON TECHNOLOGIES AGInventor: Andrea Carletti
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Publication number: 20140211526Abstract: In accordance with an embodiment, an electronic device includes a controller configured to apply slope compensation to a reference signal in a power factor corrector. The device also configured to adjust the slope compensation based on an input voltage of the power factor corrector.Type: ApplicationFiled: January 31, 2013Publication date: July 31, 2014Applicant: Infineon Technologies AGInventors: Albino Pidutti, Andrea Carletti
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Publication number: 20140103861Abstract: In accordance with an embodiment, an electronic device includes a controller configured to be coupled to a first switch of a power factor corrector. The controller is configured to produce a variable switching frequency depending on a load current. For a first load current, the controller is configured to produce a first switching frequency, and for a second load current, the controller is configured to produce a second switching frequency.Type: ApplicationFiled: October 15, 2012Publication date: April 17, 2014Applicant: INFINEON TECHNOLOGIES AGInventors: Andrea Carletti, Albino Pidutti
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Publication number: 20130307467Abstract: A power converter circuit includes input terminals configured to receive an input voltage and an input current and output terminals configured to provide an output voltage and an output current. A boost converter stage is coupled between the input terminals and the output terminals. The power converter circuit is operable to operate in one of a first operation mode, a second operation mode, and a third operation mode dependent on the output voltage. The first, second and third operation modes are mutually different. In each of the first, second and third operation modes, the input current is controlled dependent on the input voltage.Type: ApplicationFiled: May 15, 2012Publication date: November 21, 2013Applicant: Infineon Technologies AGInventor: Andrea Carletti
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Patent number: 8503205Abstract: Disclosed is a power converter including a power factor corrector and a DC/DC converter and a power conversion method.Type: GrantFiled: October 26, 2012Date of Patent: August 6, 2013Assignee: Infineon Technologies AGInventors: Andrea Carletti, Albino Pidutti
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Patent number: 8503204Abstract: A power converter includes a DC/AC converter with input terminals and output terminals. A DC/DC converter includes input terminals for receiving a DC input voltage and output terminals for providing a DC output voltage. The output terminals are coupled to the input terminals of the DC/AC converter. The DC/DC converter also includes a control circuit that is configured to control an output current of the DC/DC converter dependent on a reference signal. The reference signal has a frequency that is dependent on a frequency of the AC output voltage.Type: GrantFiled: August 5, 2011Date of Patent: August 6, 2013Assignee: Infineon Technologies AGInventors: Andrea Carletti, Albino Pidutti