Patent application number | Description | Published |
20100014568 | Digital Signal Transfer Method and Apparatus - The invention relates to a digital signal transfer method and apparatus in which a signals are transferred between first and second electrically isolated circuits. An announcement signal is transferred from the first circuit to the second circuit and a data signal is transferred from the first circuit to the second circuit within a data signal time window associated with the announcement signal. | 01-21-2010 |
20100019391 | Semiconductor Device - This application relates to a semiconductor device comprising a first chip comprising a first electrode on a first face of the first chip, and a second chip attached to the first electrode, wherein the second chip comprises a transformer comprising a first winding and a second winding. | 01-28-2010 |
20100072971 | CIRCUIT FOR A SEMICONDUCTOR SWITCHING ELEMENT INCLUDING A TRANSFORMER - A circuit for a semiconductor switching element including a transformer. One embodiment provides a first voltage supply circuit having a first oscillator. A first transformer is connected downstream of the first oscillator. A first accumulation circuit for providing a first supply voltage is connected downstream of the first transformer. A driver circuit having input terminals for feeding in the first supply voltage and having output terminals for providing a drive voltage for the semiconductor switching element, designed to generate the drive voltage for the semiconductor switching element at least from the first supply voltage. | 03-25-2010 |
20100226064 | Trimmable Transformer Arrangement - A circuit arrangement includes a coreless transformer. A trimming device is connected to the transformer and includes a variable capacitance and/or inductance. | 09-09-2010 |
20110089530 | Semiconductor Device - This application relates to a semiconductor device comprising a first chip comprising a first electrode on a first face of the first chip, and a second chip attached to the first electrode, wherein the second chip comprises a transformer comprising a first winding and a second winding. | 04-21-2011 |
20110242858 | SWITCHING CONVERTER SYSTEMS WITH ISOLATING DIGITAL FEEDBACK LOOPS - Switching converter systems are provided to control output voltage across a load by means of a converter forward path and a converter feedback path. The forward path preferably includes a transistor, an inductive element, a diode and a capacitor arranged to switchably exchange energy with the capacitor to thereby generate the output voltage. The feedback path preferably extends from the capacitor and is configured to digitally control a duty cycle of the transistor in response to the output voltage. In a system embodiment, the feedback path includes at least one comparator arranged to provide a digital error signal in response to a comparison of the output voltage to a reference voltage; a first isolation channel configured to isolatably transport a clock signal to digitally gate the error signal; a second isolation channel configured to isolatably transport the error signal; and a controller coupled to the first and second isolation channels and configured to control the duty cycle in response to the error signal. A transformer is preferably inserted into the first and second isolation channels to enhance isolation and, preferably, the first and second isolation channels respectively include first and second digital gates that each have an output port coupled to an input port of the other. | 10-06-2011 |
20120183024 | DIGITAL SIGNAL TRANSFER METHOD AND APPARATUS - The invention relates to a digital signal transfer method and apparatus in which signals are transferred between first and second electrically isolated circuits. An announcement signal is transferred from the first circuit to the second circuit and a data signal is transferred from the first circuit to the second circuit within a data signal time window associated with the announcement signal. | 07-19-2012 |
20130241685 | Method of Constructing Inductors and Transformers - An embodiment of the invention relates to an apparatus including a magnetic device and a related method. A multilayer substrate is constructed with a winding formed in a metallic layer, an electrically insulating layer above the metallic layer, and a via formed in the electrically insulating layer to couple the winding to a circuit element positioned on the multilayer substrate. A depression is formed in the multilayer substrate, and a polymer solution, preferably an epoxy, containing a ferromagnetic component such as nanocrystaline nickel zinc ferrite is deposited within a mold positioned on a surface of the multilayer substrate above the winding and in the depression. An integrated circuit electrically coupled to the winding may be located on the multilayer substrate. The multilayer substrate may be a semiconductor substrate or a printed wiring board, and the circuit element may be an integrated circuit formed on the multilayer substrate. | 09-19-2013 |
20130272035 | SWITCHING CONVERTER SYSTEMS WITH ISOLATING DIGITAL FEEDBACK LOOPS - A switching converter system includes a feedback path with at least one comparator arranged to provide a digital error signal in response to a comparison of an output voltage to a reference voltage. A first isolation channel can be configured to isolatably transport a clock signal to digitally gate the error signal, and a second isolation channel can be configured to isolatably transport the error signal. A controller can be coupled to the first and second isolation channels and configured to control a duty cycle in response to the error signal. A transformer is preferably inserted into the first and second isolation channels to enhance isolation and the first and second isolation channels respectively can include first and second digital gates that each have an output port coupled to an input port of the other. | 10-17-2013 |
20150077161 | CIRCUIT INCLUDING A TRANSFORMER FOR DRIVING A SEMICONDUCTOR SWITCHING ELEMENT - A circuit for a semiconductor switching element including a transformer. One embodiment provides a first voltage supply circuit having a first oscillator. A first transformer is connected downstream of the first oscillator. A first accumulation circuit for providing a first supply voltage is connected downstream of the first transformer. A driver circuit having input terminals for feeding in the first supply voltage and having output terminals for providing a drive voltage for the semiconductor switching element, designed to generate the drive voltage for the semiconductor switching element at least from the first supply voltage. | 03-19-2015 |
Patent application number | Description | Published |
20090001964 | Integrated Hybrid Current Sensor - A sensor arrangement for measuring current is disclosed. The sensor arrangement includes a substrate, at least one Hall element integrated in or arranged on the substrate, a first coil that is spaced apart from a surface of the substrate in a vertical direction, a second coil that is spaced apart in a vertical direction from the first coil, and an isolation layer that is arranged between the first coil and the second coil. | 01-01-2009 |
20100079192 | Drive for a half-bridge circuit - A method for driving a half-bridge is described. | 04-01-2010 |
20100109123 | Method of Constructing Inductors and Transformers - An embodiment of the invention relates to an apparatus including a magnetic device and a related method. A multilayer substrate is constructed with a winding formed in a metallic layer, an electrically insulating layer above the metallic layer, and a via formed in the electrically insulating layer to couple the winding to a circuit element positioned on the multilayer substrate. A depression is formed in the multilayer substrate, and a polymer solution, preferably an epoxy, containing a ferromagnetic component such as nanocrystaline nickel zinc ferrite is deposited within a mold positioned on a surface of the multilayer substrate above the winding and in the depression. An integrated circuit electrically coupled to the winding may be located on the multilayer substrate. The multilayer substrate may be a semiconductor substrate or a printed wiring board, and the circuit element may be an integrated circuit formed on the multilayer substrate. | 05-06-2010 |
20100123511 | Circuit Arrangement for Actuating a Transistor - One example of the invention relates to a circuit arrangement for actuating a high-side transistor which includes a control terminal and a load terminal. The circuit arrangement includes a driver circuit that is designed to generate, in response to a control signal, a driver signal for the control terminal of the high-side transistor. A supply circuit is capacitively coupled to a radio-frequency signal source and is designed to provide a supply voltage to the driver circuit, the supply voltage being referenced to a floating reference potential. | 05-20-2010 |
20100156505 | CIRCUIT ARRANGEMENT AND METHOD FOR GENERATING A DRIVE SIGNAL FOR A TRANSISTOR - Disclosed is a circuit arrangement for generating a drive signal for a transistor. In one embodiment, the circuit arrangement includes a control circuit that receives a switching signal, a driver circuit that outputs a drive signal, and at least one transmission channel. The control circuit transmits, depending on the switching signal for each switching operation of the transistor, switching information and switching parameter information via the transmission channel to the driver circuit. The driver circuit generates the drive signal depending on the switching information and depending on the switching parameter information. | 06-24-2010 |
20120326757 | CIRCUIT ARRANGEMENT AND METHOD FOR GENERATING A DRIVE SIGNAL FOR A TRANSISTOR - Disclosed is a circuit arrangement for generating a drive signal for a transistor. In one embodiment, the circuit arrangement includes a control circuit that receives a switching signal, a driver circuit that outputs a drive signal, and at least one transmission channel. The control circuit transmits, depending on the switching signal for each switching operation of the transistor, switching information and switching parameter information via the transmission channel to the driver circuit. The driver circuit generates the drive signal depending on the switching information and depending on the switching parameter information. | 12-27-2012 |
20140169039 | High Bandwidth, High Efficiency DC-DC Multilevel Converter Topology - A multilevel DC-DC converter includes a voltage source that provides a voltage Vout | 06-19-2014 |
20140254991 | Isolator - An isolator comprising: a first semiconductor substrate including a first electrical circuit; a second semiconductor substrate including a second electrical circuit; and at least one optical waveguide for data exchange between the first and second electrical circuits. | 09-11-2014 |
20140313784 | BI-DIRECTIONAL POWER CONVERTERS - A transformer based isolated bi-directional DC-DC power converter may have signals for controlling power transfer in first and second directions are derived from the same side of the transformer. The converter may include a transformer, a first switching circuit, a second switching circuit, and a controller. In a first mode, the controller controls the first and second switching circuits, and power is transferred from a first side to a second side. In a second mode, the controller controls the first and second switching circuits, and power is transferred from the second side to the first side. | 10-23-2014 |