Abstract: 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.

Abstract: 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.

Abstract: According to one configuration, a power system includes a resonant power converter, a monitor resource, and a controller. During operation, the resonant power converter converts an input voltage to an output voltage. The monitor resource monitors a magnitude of the input voltage. The controller dynamically controls a corresponding resonant frequency of the resonant power converter and a switching frequency of switches in the resonant power converter depending on a magnitude of the input voltage.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: This disclosure includes novel ways of implementing a voltage converter that powers a load. For example, 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. A power supply can be configured to include any number of multiple voltage converters in parallel to power a load.

Abstract: Disclosed is a power converter circuit and a method for operating the power converter circuit. The power converter circuit includes at least one converter stage and a control circuit. The at least one converter stage includes an input configured to receive an input power, an output configured to supply an output power, a first electronic switch, and a first inductor coupled to the first electronic switch. The control circuit includes a hysteresis controller configured to drive the first electronic switch based on a current measurement signal representing a current through the inductor, a first threshold signal, and a second threshold signal, and an operating point controller configured to detect an operating point of the converter stage to generate the first threshold signal and the second threshold signal based on the detected operating point.

Abstract: 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.

Abstract: 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.

Abstract: A power converter circuit includes an input configured to receive an input voltage and an output configured to provide an output voltage; a main converter coupled between a main converter input and the output and comprising a first winding and a second winding that are inductively coupled; and an auxiliary converter comprising an auxiliary converter input coupled to a third winding and an auxiliary converter output, wherein the third winding is inductively coupled with the first winding and the second winding. The auxiliary converter output is coupled between the input and the main converter input.

Abstract: A power converter circuit includes an input configured to receive an input voltage and an output configured to provide an output voltage; a main converter coupled between a main converter input and the output and comprising a first winding and a second winding that are inductively coupled; and an auxiliary converter comprising an auxiliary converter input coupled to a third winding and an auxiliary converter output, wherein the third winding is inductively coupled with the first winding and the second winding. The auxiliary converter output is coupled between the input and the main converter input.

Abstract: 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.

Abstract: A power supply includes a power source, a primary inductive path, and a secondary inductive path. The primary inductive path coupled to receive input current from the power source. The secondary inductive path is magnetically coupled to the primary inductive path to adjust current flow through the primary inductive path, the primary inductive path operable to produce an output voltage.

Abstract: 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.

Abstract: According to one configuration, a power system includes a resonant power converter, a monitor resource, and a controller. During operation, the resonant power converter converts an input voltage to an output voltage. The monitor resource monitors a magnitude of the input voltage. The controller dynamically controls a corresponding resonant frequency of the resonant power converter and a switching frequency of switches in the resonant power converter depending on a magnitude of the input voltage.

Abstract: 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.

Abstract: According to one configuration, a power system includes a resonant power converter, a monitor resource, and a controller. During operation, the resonant power converter converts an input voltage to an output voltage. The monitor resource monitors a magnitude of the input voltage. The controller dynamically controls a corresponding resonant frequency of the resonant power converter and a switching frequency of switches in the resonant power converter depending on a magnitude of the input voltage.

Abstract: 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.

Abstract: 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.