Infineon Technologies Austria Ag

Infineon Technologies Ag

Infineon Technologies Dresden Gmbh

Other

Siemens Aktiengesellschaft

Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.

Infineon Ag

Gerald Deboy

Kennith Kin Leong

Matthias J Kasper

Armin Willmeroth

Hans Weber

Rolf Weis

Franz Hirler

Helmut Strack

Johann Kolar

Luca Peluso

Dirk Ahlers

Hans Martin Weber

Martin Feldtkeller

Michael Rueb

Jens-Peer Stengl

Yi Tang

Anthony Sanders

Dominik Neumayr

Jenoe Tihanyi

Matthias Stecher

Giuseppe Bernacchia

Dominik Bortis

Holger Kapels

Matthias Kasper

Arash Pake Talei

Anton Mauder

Marc Fahlenkamp

Carolin Tolksdorf

Juan Sanchez

Hans-Joachim Schulze

Uwe Wahl

Michael Treu

Martin Krueger

Karl Norling

Roberto Rizzolatti

Jenö Tihanyi

Helmut Gassel

Mattia Guacci

Frank Dieter Pfirsch

Oliver Haeberlen

Danny Clavette

Angela Kessler

Xiaowu Gong

Heinz Mitlehner

Yong Siang Teo

Markus Schmitt

Peter Kanschat

Wolfgang Friza

Chee Yang Ng

Winfried Kaindl

Kok Yau Chua

Stefano Saggini

Holger Huesken

Werner Roessler

Uwe Jansen

Ralf Henninger

Thomas Laska

Otto Wiedenbauer

Lutz Goergens

Ilia Zverev

Franz Auerbach

Matthias Radecker

Zan Wang

Ernst Katzmaier

Yong Zhou

Jon Azurza Anderson

Stefano De Filippis

Martin M&auml;rz

Heimo Graf

Mario Ursino

Martin März

Michael Leibl

Sebastian Uitz

Klaus Krischan

Francesco Didomenico

Gerald Mündel

Michael R&uuml;b

Oliver H&auml;berlen

Harald Z&ouml;llinger

Gerald M&uuml;ndel

Werner Konrad

Wenduo Liu

Oliver HÄBERLEN

Filip Andrén

Felix Lehfuß

Roland Bründlinger

To reduce switching losses, an inverter circuitry of this disclosure may operate using triangular current mode (TCM) control for the semiconductor devices to achieve zero voltage switching (ZVS) at the turn-on of the semiconductor switches. In contrast to other techniques, such as operating the inverter circuitry in continuous conduction mode (CCM), switching devices experience hard switching (usually associated to body-diode hard commutation) at turn-on, and therefore experience the associated switching losses. The inverter circuitry of this disclosure is controlled by processing circuitry, which is configured to apply a smart frequency modulation scheme that enables TCM operation.

Inverter systems featuring hybrid TCM/CCM modulation scheme

Disclosed is a method for operating a rectifier circuit, a control circuit for operating a rectifier circuit, and a power converter. The method includes operating the rectifier circuit () in a PFC mode, wherein operating the rectifier circuit () in the PFC mode includes regulating an output voltage (Udc) of the rectifier circuit (). Regulating the output voltage (Udc) includes operating a switch () of the rectifier circuit () at a fixed switching frequency (fsw), and regulating the output voltage (Udc) includes regulating the output voltage (Udc) dependent on at least one operating parameter of the rectifier circuit () such that the switch () is operated under ZVS conditions.

Operating parameter power conversion method and power converter

According to one configuration, a fabricator fabricates a core of a circuit component to include magnetic permeable material. The fabricator further produces the circuit component to include multiple electrically conductive paths extending through the core of the magnetic permeable material. In one arrangement, the multiple electrically conductive paths include a first electrically conductive path and a second electrically conductive path. The fabricator fabricates the circuit component and, more specifically, the core of the magnetic permeable material to include at least one cutaway portion operative to reduce inductive coupling between the first electrically conductive path and the second electrically conductive path disposed in the core.

Magnetic structures and inductive coupling control

A method for operating a power converter and a control circuit are disclosed. The method includes, in a power converter including an input, a converter stage, a first switch connected between the input and the converter stage, a second switch connected between input nodes of the converter stage, and an output capacitor connected between output nodes of the converter stage: detecting an operating state of the power converter; and operating the power converter in a first operating mode when the power converter is in a first operating state. Operating the power converter in the first operating mode includes regulating an input current received at the input by a switched-mode operation of the first and second electronic switches.

Method of operating a power converter, control circuit, and power converter with switch input circuit

This disclosure includes novel ways of implementing a power supply that powers a load. More specifically, a power supply includes a bidirectional power converter and a controller. The controller monitors a magnitude of an input voltage supplied from an input voltage source to a load. Based on a magnitude of the input voltage, the controller switches between a first mode of operating the bidirectional power converter to charge an energy storage resource using (a portion of power provided by) the input voltage and a second mode of producing a backup voltage from the energy storage resource to power the load as a substitute to the input voltage such as when the input voltage is below a threshold value.

Bidirectional battery charge-discharge control

A voltage regulator module includes: power input and output terminals at a same side of the voltage regulator module; a first power stage configured to receive an input voltage from the power input terminal and output a phase current at a switch node of the first power stage, the first power stage including an inductor having a vertical conductor embedded in a magnetic core, the vertical conductor having a first end which is electrically connected to the switch node and a second end opposite the first end; and a first metal clip which electrically connects the second end of the vertical conductor to the power output terminal such that power is delivered to and from the voltage regulator module at the same side of the voltage regulator module. A method of producing the voltage regulator module and electronic assembly that includes the voltage regulator module are also described.

Voltage regulator module with inductor-cooled power stage

According to one configuration, an inductor device includes a core fabricated from multiple different types of magnetically permeable material. The inductor device includes an electrically conductive path extending through the core. A magnetic permeability of the core varies in magnitude depending on a distance with respect to the electrically conductive path.

Inductor devices and stacked power supply topologies

According to one configuration, an inductor device comprises: core material and one or more electrically conductive paths. The core material is magnetically permeable and surrounds (envelops) the one or more electrically conductive paths. Each of the electrically conductive paths extends through the core material of the inductor device from a first end of the inductor device to a second end of the inductor device. The magnetically permeable core material is operative to confine (guide, carry, convey, localize, etc.) respective magnetic flux generated from current flowing through a respective electrically conductive path. The core material stores the magnetic flux energy (i.e., first magnetic flux) generated from the current flowing through the first electrically conductive path. One configuration herein includes a power converter assembly comprising a stack of components including the inductor device as previously described as well as a first power interface, a second power interface, and one or more switches.

Stacked power supply topologies and inductor devices

An apparatus such as a power supply or other suitable entity includes a controller. The controller receives a target ripple current value indicative of a ripple current associated with an output voltage and corresponding output current of a power converter powering a load. The controller selects a switching frequency of operating the power converter as a function of a magnitude of the received target ripple current value. The controller applies the selected switching frequency to switches in the power converter to produce the output current with a magnitude of the ripple current as indicated by the target ripple current value.

Multi-level power converter and control

According to one configuration, a fabricator receives magnetic permeable material and fabricates an apparatus to include a multi-dimensional arrangement of electrically conductive paths to extend through the magnetic permeable material. Each of the electrically conductive paths is a respective inductive path.

Magnetic structures and arrangement of inductive paths

A method for operating a power converter arrangement and a corresponding controller are disclosed. The method includes operating the power converter arrangement in a surge mode, when a DC link voltage of the power converter arrangement reaches a first voltage threshold. The power converter includes a first power converter having an input and an output; a second power converter having an input and an output; and a DC link capacitor circuit coupled to the output of the first power converter and the input of the second power converter and providing the DC link voltage. Operating the power converter arrangement in the surge mode includes: deactivating the second power converter; and operating, at least temporarily, the first power converter in a reverse mode to transfer energy from the DC link capacitor circuit to the input of the first power converter.

Power converter arrangement with increased surge voltage robustness

According to one configuration, an inductor device comprises core material and at least a first electrically conductive path. The core material is fabricated from magnetically permeable material. The first electrically conductive path extends axially through the core material from a proximal end of the inductor device to a distal end of the inductor device. The core material is operable to confine first magnetic flux generated from first current flowing through the first electrically conductive path. The inductor device further includes a gap in the core material. The gap (gas or solid material) has a different magnetic permeability than the core material. Inclusion of the gap in the core material provides a way to tune an inductance of the inductor device and increase a magnetic saturation level of the inductor device. The core material includes any number of electrically conductive paths and corresponding gaps.

Disclosed is a current source inverter that includes a combination of normally-on and normally-off switches configured to provide free-wheeling paths for current in case of loss of control signals or gate drive power.

Current source inverter and method of operating a current source inverter

A voltage converter powers a load. The voltage converter includes a first power converter and a second power converter. The first power converter produces an intermediate voltage and a first output current derived from an input voltage. The first power converter supplies the intermediate voltage to the second power converter. The second power converter produces a second output current based on the intermediate voltage received from the first power converter. An output node of the voltage converter outputs a sum of the first output current and the second output current to produce an output voltage.

Hybrid power converter and power conversion

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Klagenfurt, Austria

Gerald Deboy