Patent application number | Description | Published |
20090010033 | ACTIVE DIODE - An active diode is disclosed. One embodiment provides a method for operating a device. The electronic device includes a transistor connected between a first and a second connection of the electronic device; a control device coupled to a control connection of the transistor; and an energy storage device coupled to the control device. | 01-08-2009 |
20090086512 | Driving a primary-side switch and a secondary-side rectifier element in a switching converter - An apparatus, comprising a transformer comprising a first winding and a second winding; a first switch coupled to the first winding and configured to alternate between an off state and an on state in response to a pulsed first signal; a rectifier coupled to the second winding and configured to alternate between an off state and an on state in response to a pulsed second signal; and a drive circuit configured to generate the first and second signals such that the first switch and the rectifier are switched to the on state in a temporally offset relation with each other. | 04-02-2009 |
20090140707 | Circuit for an Active Diode and Method for Operating an Active Diode - Embodiments of the invention relate to a circuit for an active diode, a method for operating an active diode, and, based thereon, an integrated active diode system, a rectifier, and a system for voltage conversion and/or regulation, comprising at least one transistor by which a current defined as positive from a first connection to a second connection of the transistor can be controlled, and at least one measuring/control circuit (for determining the current by means of which the at least one transistor can be switched on for currents under and at most up to a predetermined, non-positive threshold value (i1<=ith<=0), and can otherwise be switched off. | 06-04-2009 |
20090212843 | SEMICONDUCTOR DEVICE ARRANGEMENT AND METHOD - A semiconductor device arrangement and a method. One embodiment includes at least one power transistor and at least one gate resistor located between a gate of the power transistor and a connecting point in the drive circuit of the power transistor. The semiconductor device arrangement includes a switchable element between the connecting point and a source of the power transistor. | 08-27-2009 |
20090302814 | SYSTEM AND METHOD FOR CONTROLLING A CONVERTER - A system and method for controlling a converter. One embodiment provides the cyclic actuation of a first switching element, used for applying an input voltage to an inductive storage element. A second switching element is used as a first rectifier element in a rectifier arrangement, in a step-up converter. An actuating circuit is provided for the first and second switching elements. | 12-10-2009 |
20090322293 | SWITCHING CONVERTER INCLUDING A RECTIFIER ELEMENT WITH NONLINEAR CAPACITANCE - A switching converter including a rectifier element with nonlinear capacitance. One embodiment provides a switching element configured to be driven in the on state and in the off state. A first capacitive element is between the load path terminals of the switching element and has a nonlinear capacitance characteristic curve dependent on a voltage between the load path connections. A rectifier element is coupled between the inductive storage element and the capacitive storage element such that it enables a current flow between the inductive storage element and the capacitive storage element when the switching element is driven in the off state. A second capacitive element is between the load path terminals of the rectifier element and has a nonlinear capacitance characteristic curve dependent on a voltage between the load path connections. | 12-31-2009 |
20100044788 | SEMICONDUCTOR DEVICE WITH A CHARGE CARRIER COMPENSATION STRUCTURE AND PROCESS - A semiconductor device with a charge carrier compensation structure. In one embodiment, the semiconductor device has a central cell field with a gate and source structure. At least one bond contact area is electrically coupled to the gate structure or the source structure. A capacitance-increasing field plate is electrically coupled to at least one of the near-surface bond contact areas. | 02-25-2010 |
20100045361 | POWER CIRCUIT - A power circuit. One embodiment provides a circuit for driving a power transistor having a control electrode and a load path. The circuit includes a driver circuit configured to change the power transistor to a completely on or off state with the aid of a control signal supplied to the control electrode. A series circuit includes a semiconductor switching element and a capacitor. The series circuit is connected in parallel with the load path and the capacitor provides a supply voltage for the driver circuit. | 02-25-2010 |
20100046263 | RECTIFIER CIRCUIT WITH A VOLTAGE SENSOR - A rectifier circuit with a synchronously controlled semiconductor element comprising at least one field effect transistor with a control electrode and two switching electrodes. The control electrode operates the reverse state and the forward state between the switching electrodes. For this, the rectifier circuit comprises at least one driver which cooperates with a voltage sensor of the field effect transistor. During the diode operating state of the field effect transistor, the driver operates this to the forward state. The voltage sensor thereby forms at least one part of a non-linear voltage divider which comprises at least one monolithically integrated measuring capacitance. | 02-25-2010 |
20100079191 | CIRCUIT FOR ACTUATION OF A TRANSISTOR - A circuit for actuation of a transistor. One embodiment provides an actuation output for connection to the actuation connection of the transistor. A measurement arrangement is provided for ascertaining a load current flowing through the load path or a voltage across the load path and for providing a measurement signal. An actuation current source having an actuation current output is connected to the actuation output and supplied with the measurement signal and designed to produce an actuation current at the actuation current output. The actuation current is at a current level dependent on the measurement signal. | 04-01-2010 |
20100327942 | SEMICONDUCTOR DEVICE ARRANGEMENT AND METHOD - A semiconductor device arrangement and a method. One embodiment includes at least one power transistor and at least one gate resistor located between a gate of the power transistor and a connecting point in the drive circuit of the power transistor. The semiconductor device arrangement includes a switchable element between the connecting point and a source of the power transistor. | 12-30-2010 |
20110109283 | SYSTEM AND METHOD FOR CONTROLLING A CONVERTER - A system and method for controlling a converter. One embodiment provides the cyclic actuation of a first switching element, used for applying an input voltage to an inductive storage element. A second switching element is used as a first rectifier element in a rectifier arrangement, in a step-up converter. An actuating circuit is provided for the first and second switching elements. | 05-12-2011 |
20110121437 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD - A semiconductor device includes a drift zone of a first conductivity type formed within a semiconductor body, wherein one side of opposing sides of the drift zone adjoins a first zone within the semiconductor body and the other side adjoins a second zone within the semiconductor body. First semiconductor subzones of a second conductivity type different from the first conductivity type are formed within each of the first and second zones opposing each other along a lateral direction extending parallel to a surface of the semiconductor body. A second semiconductor subzone is formed within each of the first and second zones and between the first semiconductor subzones along the lateral direction. An average concentration of dopants within the second semiconductor subzone along 10% to 90% of an extension of the second semiconductor subzone along a vertical direction perpendicular to the surface is smaller than the average concentration of dopants along a corresponding section of extension within the drift zone. | 05-26-2011 |
20110285375 | Maximum Power Point Tracker Bypass - A circuit arrangement, includes output terminals that provide an output current and input terminals that receive a source current and a source voltage from a DC current source. A maximum power point tracker is coupled between the input terminals and the output terminals and a bypass circuit is coupled between the input terminals and the output terminals. The bypass circuit is configured to enter a bypass state dependent on the output current and dependent on the source current. The source current flows through the bypass circuit in the bypass state. | 11-24-2011 |
20110316514 | Voltage Converter and Voltage Conversion Method - A voltage converter and a voltage conversion method is disclosed. The voltage converter includes input terminals configured to receive an input voltage. Output terminals are configured to provide an output voltage and an output current. At least one first converter stage is connected between the input terminals and the output terminals, comprising at least one unipolar transistor, and configured to provide a first output current. At least one second converter stage is connected between the input terminals and the output terminals, comprising at least one bipolar transistor, and configured to provide a second output current. A control circuit is configured to control the first output current and the second output current such that there is a first output current range in which the first output current is higher than the second output current. | 12-29-2011 |
20120170339 | RECTIFIER CIRCUIT WITH A VOLTAGE SENSOR - A rectifier circuit with a synchronously controlled semiconductor element comprising at least one field effect transistor with a control electrode and two switching electrodes. The control electrode operates the reverse state and the forward state between the switching electrodes. For this, the rectifier circuit comprises at least one driver which cooperates with a voltage sensor of the field effect transistor. During the diode operating state of the field effect transistor, the driver operates this to the forward state. The voltage sensor thereby forms at least one part of a non-linear voltage divider which comprises at least one monolithically integrated measuring capacitance. | 07-05-2012 |
20120175635 | Semiconductor Device Arrangement with a First Semiconductor Device and with a Plurality of Second Semiconductor Devices - A semiconductor device arrangement includes a first semiconductor device having a load path, and a number of second transistors, each having a load path between a first and a second load terminal and a control terminal. The second transistors have their load paths connected in series and connected in series to the load path of the first transistor. Each of the second transistors has its control terminal connected to the load terminal of one of the other second transistors. One of the second transistors has its control terminal connected to one of the load terminals of the first semiconductor device. | 07-12-2012 |
20120235661 | Controlling a Current Between a Source and a Load - A method for controlling a current between an energy source and a load is disclosed. A switching module is coupled between the energy source and the load. The switching module includes two input terminals coupled to the energy source and two output terminals coupled to the load and at least one semiconductor switching element coupled between one of the input terminals and one of the output terminals. At least one current parameter of the current is measured between the energy source and the load. The current between the energy source and the load is interrupted by switching off the switching element when the at least one current parameter reaches or exceeds at least one predetermined parameter threshold value. | 09-20-2012 |
20120235710 | Circuit Arrangement with a MOSFET and an IGBT - A circuit includes at least one FET and at least one IGBT that have their load paths connected in parallel. A voltage limiting circuit is coupled to a gate terminal of the at least one IGBT. | 09-20-2012 |
20120306464 | Circuit Arrangement with an Adjustable Transistor Component - Disclosed is a circuit arrangement, including a transistor component with a gate terminal, a control terminal, and a load path between a source and a drain terminal, and a drive circuit connected to the control terminal and configured to determine a load condition of the transistor component, to provide a drive potential to the control terminal, and to adjust the drive potential dependent on the load condition. | 12-06-2012 |
20130009700 | Power Converter Circuit with AC Output - A power converter circuit includes output terminals, and a plurality of converter units each comprising input terminals configured to be coupled to a DC power source, and output terminals for providing an AC output voltage and an AC output current. The plurality of converter units are connected in series between the output terminals of the power converter circuit. At least one of the converter units is configured to detect its AC output voltage and its AC output current and is configured to regulate a generation of the AC output current such that a phase difference between the AC output voltage and the AC output current corresponds to a given set value. | 01-10-2013 |
20130106402 | Power Source Arrangement and Method of Diagnosing a Power Source Arrangement | 05-02-2013 |
20130147523 | CIRCUIT FOR DRIVING A TRANSISTOR - One aspect is a circuit having an input configured to receive an input signal, and an actuation output configured to be connected to an actuation terminal of a transistor. A measurement arrangement is configured to ascertain at least one of a load current through a load path of the transistor, and a load voltage across the load path of the transistor and to provide a measurement signal that is dependent on at least one of the load current and the load path voltage. An actuation current source is configured to receive the measurement signal and to provide an actuation current at the actuation output, the actuation current having a current level dependent on the measurement signal. | 06-13-2013 |
20130175883 | Maximum Power Point Tracker Bypass - A circuit arrangement, includes output terminals that provide an output current and input terminals that receive a source current and a source voltage from a DC current source. A maximum power point tracker is coupled between the input terminals and the output terminals and a bypass circuit is coupled between the input terminals and the output terminals. The bypass circuit is configured to enter a bypass state dependent on the output current and dependent on the source current. The source current flows through the bypass circuit in the bypass state. | 07-11-2013 |
20130181529 | Power Converter Circuit with AC Output - A power converter circuit includes output terminals configured to receive an external AC voltage. At least one series circuit has at least two converter units. Each converter unit includes input terminals configured to be coupled to a DC power source. Output terminals provide an AC output current. The at least one series circuit is connected between the output terminals of the power converter circuit. A voltage measurement circuit is connected between the output terminals of the power converter circuit and configured to provide at least one measurement signal that includes information related to phase and frequency of the external AC voltage. At least one of the converter units is configured to receive the at least one measurement signal and is configured to regulate the generation of the AC output current dependent on the at least one measurement signal. | 07-18-2013 |
20130181530 | Power Converter Circuit with AC Output - A power converter circuit includes output terminals configured to receive an external voltage. A series circuit includes a number of converter units, each including input terminals configured to be coupled to a DC power source and output terminals configured to provide an output current. The series circuit is connected between the output terminals of the power converter circuit. A synchronization circuit is configured to generate a synchronization signal. The power converter circuit can be operated in a normal operation mode. In the normal operation mode, the synchronization circuit is configured to generate the synchronization signal dependent on the external voltage. In the normal operation mode, at least one converter unit of the plurality of converter units is configured to receive the synchronization signal and to regulate a generation of the output current such that a frequency and/or a phase of the output current is dependent on the synchronization signal. | 07-18-2013 |
20130181531 | Power Converter Circuit with AC Output - A power converter circuit includes output terminals configured to receive an external voltage. A series circuit with a number of converter units is connected between the output terminals of the power converter circuit. Each converter unit includes input terminals configured to be coupled to a DC power source and output terminals configured to provide an output current. At least one converter unit of the converter units includes a signal generator configured to receive a synchronization signal and to generate a continuous synchronization signal from the synchronization signal. The power converter circuit can be operated in a normal operation mode. In the normal operation mode, the at least one converter unit is configured to regulate generation of the output current such that a frequency and/or a phase of the output current are dependent on the continuous synchronization signal. | 07-18-2013 |
20130187473 | Power Converter Circuit - A circuit arrangement includes a number of DC power sources. Each DC power source includes a rechargeable battery. The circuit arrangement also includes a number converter units. Each converter unit has input terminals and output terminals. The input terminals are coupled to one DC power source. The converter units form a series circuit between load terminals. | 07-25-2013 |
20130193525 | Semiconductor Arrangement with Active Drift Zone - A semiconductor device arrangement includes a first semiconductor device having a load path and a plurality of second semiconductor devices, each having a load path between a first and a second load terminal and a control terminal. The second semiconductor devices have their load paths connected in series and connected in series to the load path of the first semiconductor device. Each of the second semiconductor devices has its control terminal connected to the load terminal of one of the other second semiconductor devices, and one of the second semiconductor devices has its control terminal connected to one of the load terminals of the first semiconductor device. Each of the second semiconductor devices has at least one device characteristic. At least one device characteristic of at least one of the second semiconductor devices is different from the corresponding device characteristic of others of the second semiconductor devices. | 08-01-2013 |
20130214395 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD - A semiconductor device includes a drift zone of a first conductivity type formed within a semiconductor body, wherein one side of opposing sides of the drift zone adjoins a first zone within the semiconductor body and the other side adjoins a second zone within the semiconductor body. First semiconductor subzones of a second conductivity type different from the first conductivity type are formed within each of the first and second zones opposing each other along a lateral direction extending parallel to a surface of the semiconductor body. A second semiconductor subzone is formed within each of the first and second zones and between the first semiconductor subzones along the lateral direction. An average concentration of dopants within the second semiconductor subzone along 10% to 90% of an extension of the second semiconductor subzone along a vertical direction perpendicular to the surface is smaller than the average concentration of dopants along a corresponding section of extension within the drift zone. | 08-22-2013 |
20130214750 | Voltage Converter and Voltage Conversion Method - A voltage converter includes a first converter stage including a unipolar transistor coupled to a first inductive storage element, where the first converter stage is configured to provide a first output power signal including a first output current. Also, the voltage converter includes a second converter stage including a bipolar transistor coupled to a second inductive storage element, where the second converter stage is configured to provide a second output power including a second output current, and where a third output current is a sum of the first output current and the second output current. Additionally, the voltage converter includes a control circuit configured to control a power converter including the first output current and the second output current, where the first output current is higher than the second output current when the third output current has a first range of output current. | 08-22-2013 |
20140016361 | Circuit Arrangement with a Rectifier Circuit - A rectifier circuit includes first and second load terminals, a first semiconductor device having a load path and configured to receive a drive signal, and a plurality of second semiconductor devices each having a load path and each configured to receive a drive signal. The load paths of the second semiconductor devices are connected in series, and connected in series to the load path of the first semiconductor device. A series circuit with the first semiconductor device and the second semiconductor devices is connected between the load terminals. Each of the second semiconductor devices is configured to receive as a drive voltage either a load-path voltage of at least one of the second semiconductor devices, or a load-path of at least the first semiconductor device. The first semiconductor device is configured to receive as a drive voltage a load-path-voltage of at least one of the second semiconductor devices. | 01-16-2014 |
20140016386 | Circuit Arrangement with a Rectifier Circuit - A circuit arrangement includes a rectifier circuit having a first and a second load terminal, a first semiconductor device having a load path and a control terminal and a plurality of n, with n>1, second semiconductor devices, each having a load path between a first load terminal and a second load terminal and a control terminal. The second semiconductor devices have their load paths connected in series and connected in series to the load path of the first semiconductor device. The series circuit with the first semiconductor device and the second semiconductor devices are connected between the load terminals of the rectifier circuit. Each of the second semiconductor devices has its control terminal connected to the load terminal of one of the other second semiconductor devices. One of the second semiconductor devices has its control terminal connected to one of the load terminals of the first semiconductor device. | 01-16-2014 |
20140062544 | Semiconductor Device Arrangement with a First Semiconductor Device and with a Plurality of Second Semiconductor Devices - Disclosed is a semiconductor device arrangement including a first semiconductor device having a load path, and a plurality of second transistors, each having a load path between a first and a second load terminal and a control terminal. The second transistors have their load paths connected in series and connected in series to the load path of the first transistor, each of the second transistors has its control terminal connected to the load terminal of one of the other second transistors, and one of the second transistors has its control terminal connected to one of the load terminals of the first semiconductor device. | 03-06-2014 |
20140091852 | Switch Circuit with a First Transistor Device and a Second Transistor Device Connected in Series - A method can be used for driving a switch circuit. The switch circuit includes a first transistor device and a second transistor device. Both the first transistor device and the second transistor device have a load path and a control terminal. The load paths of the first transistor device and the second transistor device are connected in series. The control terminal of the first transistor device is configured to receive a first drive signal and the control terminal of the second transistor device is configured to receive a second drive signal. One of an on-level switching on the first transistor device or an off-level switching off the first transistor device of the first drive signal is selected and one of a first signal level and a second signal level of the second drive signal is selected. | 04-03-2014 |
20140104905 | RECTIFIER CIRCUIT WITH A VOLTAGE SENSOR - A rectifier circuit with a semiconductor element is disclosed. The semiconductor element includes at least one field effect transistor with a control electrode, and at least one driver. The driver cooperates with a voltage sensor, and controls the field effect transistor to a conducting state. The semiconductor element includes the voltage sensor insulated from the at least one field effect transistor. The voltage sensor includes a separate sensor electrode, and a sensor capacitance of the voltage sensor forms a non-linear voltage divider with a reference capacitance. | 04-17-2014 |
20140153294 | AC/DC Power Converter Arrangement - A converter arrangement, includes a DC/DC stage comprising a plurality of DC/DC converters. Each of the plurality of DC/DC converters is operable to receive one of a plurality of direct input voltages. The DC/DC stage is configured to generate an output voltage from the plurality of direct input voltages. | 06-05-2014 |
20140175888 | Power Converter Circuit with AC Output - A power converter circuit includes a synchronization circuit configured to generate at least one synchronization signal. A series circuit includes a number of converter units configured to output an overall output current. At least one of the converter units generates an output current such that at least one of a frequency and a phase of the generated output current is dependent on the synchronization signal. | 06-26-2014 |
20140191582 | Power Converter Circuit with AC Output and at Least One Transformer - A power converter circuit includes a synchronization circuit that is configured to generate at least one synchronization signal. A series circuit includes a number of converter units configured to output an output current. At least one of the converter units includes a transformer and is configured to generate an output current such that a frequency or a phase of the generated output current is dependent on the synchronization signal. | 07-10-2014 |
20140265945 | Electric Drive System - An electric drive system includes a rechargeable battery and a power supply bus. A first power converter circuit is coupled between the rechargeable battery and the power supply bus. A motor is configured to be coupled to the power supply bus. A control circuit is configured to operate the first power converter circuit in one of a power supply mode in which the first power converter circuit supplies at least one of an alternating current and a rectified alternating current to the power supply bus, and a battery charging mode in which the first power converter circuit charges the rechargeable battery. | 09-18-2014 |
20140266069 | Power Converter Circuit Including at Least One Battery - A circuit includes a first power converter circuit and a second power converter circuit. The input of the second power converter circuit is coupled to the output of the first power converter circuit and is configured to receive an input signal. A rechargeable battery is coupled to the output of the first power converter circuit. A charge control circuit is configured to control charging the rechargeable battery by controlling the second power converter circuit. | 09-18-2014 |
20140266131 | Power Converter Circuit - A power converter circuit includes an input and an output. A supply circuit is configured to receive an input signal from the input and to generate a number of supply signals from the input signal. A number of converter units are provided. Each of the plurality of converter units is configured to receive one of the plurality of supply signals and to output an output signal to the output. | 09-18-2014 |
20140284774 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD - A semiconductor device includes a drift zone of a first conductivity type formed within a semiconductor body, wherein one side of opposing sides of the drift zone adjoins a first zone within the semiconductor body and the other side adjoins a second zone within the semiconductor body. First semiconductor subzones of a second conductivity type different from the first conductivity type are formed within each of the first and second zones opposing each other along a lateral direction extending parallel to a surface of the semiconductor body. A second semiconductor subzone is formed within each of the first and second zones and between the first semiconductor subzones along the lateral direction. An average concentration of dopants within the second semiconductor subzone along 10% to 90% of an extension of the second semiconductor subzone along a vertical direction perpendicular to the surface is smaller than the average concentration of dopants along a corresponding section of extension within the drift zone. | 09-25-2014 |
20150015071 | POST-REGULATED FLYBACK CONVERTER WITH VARIABLE OUTPUT STAGE - A power circuit is described that includes a transformer arranged to store energy. The power circuit further includes a parallel switch device arranged in parallel to a secondary side winding of the transformer. | 01-15-2015 |
20150015072 | Power Converter Circuit and Method - A power converter circuit includes a converter series circuit that includes a number of converter units. The converter series circuit is configured to output a series circuit output current. A synchronization circuit is configured to generate at least one synchronization signal. At least one of the converter units is configured to generate an output current such that at least one of a frequency or a phase of the output current is dependent on the synchronization signal, and includes a converter stage with an inverting buck boost topology. | 01-15-2015 |
20150016159 | Multiphase Power Converter Circuit and Method - A multiphase power converter circuit includes at least two single phase power converter circuits. Each single phase power converter circuit includes at least one converter series circuit with a number of converter units. The converter series circuit is configured to output a series circuit output current. A synchronization circuit is configured to generate at least one synchronization signal. At least one of the converter units is configured to generate an output current such that at least one of a frequency and a phase of the output current is dependent on the synchronization signal. | 01-15-2015 |
20150041915 | Semiconductor Arrangement with Active Drift Zone - A semiconductor device arrangement includes a first semiconductor device having a load path and a plurality of second semiconductor devices, each having a load path between a first and a second load terminal and a control terminal. The second semiconductor devices have their load paths connected in series and connected in series to the load path of the first semiconductor device. Each of the second semiconductor devices has its control terminal connected to the load terminal of one of the other second semiconductor devices, and one of the second semiconductor devices has its control terminal connected to one of the load terminals of the first semiconductor device. Each of the second semiconductor devices has at least one device characteristic. At least one device characteristic of at least one of the second semiconductor devices is different from the corresponding device characteristic of others of the second semiconductor devices. | 02-12-2015 |
20150084669 | Power Source Arrangement and Method of Diagnosing a Power Source Arrangement - An embodiment method of diagnosing a power source arrangement includes a plurality of n power sources connected in series between output terminals, wherein n≧2. At least two different groups of power sources are selected from the power source arrangement. A voltage of each of the at least two different groups is measured between the output terminals. During the measurement of the voltage of one group, the power sources of the power source arrangement that do not belong to the one group are bypassed. The at least two measured voltages obtained through measuring the voltage of each of the at least two different groups or at least two voltages that are dependent on these at least two measured voltages are compared. | 03-26-2015 |