Patents Examined by Jue Zhang
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Patent number: 12164318Abstract: Provided are a reference source circuit, a chip, a power supply, and an electronic device. The circuit comprises: a first current generation unit used for generating first current; a reference voltage generation unit electrically connected to the first current generation unit and used for generating a band-gap reference voltage by using the first current; and a reference current generation unit electrically connected to the first current generation unit and the reference voltage generation unit and used for generating band-gap reference current by using the first current. By means of the circuit above, a band-gap reference voltage and band-gap reference current can be generated in a reference source circuit, and the first current generation unit may be reused, so that high-gain and simultaneous work of two loops can be achieved, the cost can be reduced, and the chip area can be saved as compared with the design of two separate reference sources.Type: GrantFiled: April 22, 2022Date of Patent: December 10, 2024Assignee: Chipone Technology (Beijing) Co., LTD.Inventors: Yujun Yang, Lei Fan
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Patent number: 12164324Abstract: In described examples, a circuit includes a first current mirror circuit. The first current mirror circuit is coupled to a power input terminal. A first stage is coupled to the first current mirror circuit, and a second stage is coupled to the first stage and to the first current mirror circuit. An amplifier is coupled to the first and second stages. The amplifier has first and second input terminals. The first input terminal is coupled to the first stage, and the second input terminal is coupled to the second stage. A second current mirror circuit is coupled to the first stage, the second stage and the amplifier.Type: GrantFiled: January 23, 2024Date of Patent: December 10, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Sanjeev Praphulla Chandra Nyshadham, Subrato Roy
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Patent number: 12160138Abstract: The present inventions include a rotating electromagnetic machine such as a motor or generator wherein changes of flux direction adjacent the air gap are avoided. The disclosed improvements apply to permanent magnet alternators, induction motors and generators, doubly fed induction generators, and the like. Adaptation of coils to and fixation within the required slot geometries are disclosed. Excitation systems co-located within the primary rotor core and primary stator core are also disclosed. The use of rubber vulcanized to the rotor in conjunction with a stainless steel rotor sleeve is also disclosed.Type: GrantFiled: June 1, 2020Date of Patent: December 3, 2024Assignee: BHE TURBOMACHINERY, LLCInventors: Henry K. Obermeyer, Tanner Grider
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Patent number: 12160181Abstract: A single-phase power converter is disclosed for converting a direct current power source to an alternating current power across first and second output terminals, which may be connected to a split-phase system having a first-phase load connected between one phase and a second-phase load connected between the other phase. When the loads are not balanced, the single-phase power converter provides a differential current to compensate for the imbalance.Type: GrantFiled: January 9, 2023Date of Patent: December 3, 2024Assignee: Solaredge Technologies Ltd.Inventors: Alfred Rahmilov, Ohad Fried, Tzachi Glovinsky, Ilan Yoscovich, Lior Sarig
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Patent number: 12159742Abstract: This application relates to an active current compensation device which actively compensates for a noise occurring in a common mode in each of two or more high-current paths. In one aspect, the active current compensation device includes a sensing unit configured to generate an output signal corresponding to a common-mode noise current on each of the two or more high-current paths, and an amplification unit configured to amplify the output signal to generate an amplified current. The device may also include a compensation unit configured to generate a compensation current on the basis of the amplified current and allow the compensation current to flow to each of the two or more high-current paths, and a malfunction detection unit configured to detect a malfunction of the amplification unit. The malfunction detection unit and at least a portion of the amplification unit may be embedded in one integrated circuit (IC) chip.Type: GrantFiled: January 3, 2024Date of Patent: December 3, 2024Assignees: EM CORETECH INC., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Jin Gook Kim, Sang Yeong Jeong
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Patent number: 12155317Abstract: A power conversion device includes an inverter configured to receive direct current (DC) power and convert the DC power to alternating current (AC) power, at least one capacitor having a first capacitance, and a busbar assembly electrically connected to the inverter and configured to electrically connect the inverter to a power source. The busbar assembly includes a positive busbar and a negative busbar, and a first capacitor layer disposed between the positive busbar and the negative busbar. The first capacitor layer is configured provide an amount of capacitance in addition to the first capacitance.Type: GrantFiled: July 18, 2022Date of Patent: November 26, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Muhammad Hussain Alvi, Chandra S. Namuduri
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Patent number: 12155302Abstract: A power converter includes an input circuit, an output circuit and a controller. The output circuit may comprise a plurality of output terminals configured to be connected to a plurality of loads. The input circuit may comprise a plurality of input terminals configured to be connected to one or more power sources. An inductive element may be coupled between the input circuit and the output circuit. The output circuit may feature one or more voltage compensation circuits connected between two output terminals, the voltage compensation circuits activated to compensate an output voltage at one of the two output terminals.Type: GrantFiled: March 16, 2022Date of Patent: November 26, 2024Assignee: Solaredge Technologies Ltd.Inventors: Ofir Bieber, Yaniv Hachamo, Meir Gazit
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Patent number: 12155320Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.Type: GrantFiled: January 10, 2024Date of Patent: November 26, 2024Assignee: EN2CORE TECHNOLOGY, INC.Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
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Patent number: 12155284Abstract: The present invention may provide a motor including a shaft, a rotor coupled to the shaft, a stator disposed to correspond to the rotor, and a busbar disposed above the stator, wherein the stator includes a stator core and coils, the busbar includes a terminal connected to the coils, the terminal includes bodies and a plurality of connection ends which extend from the bodies and are in contact with end portions of the coils, a plurality of extension parts extending from the plurality of bodies are combined to constitute any one of the plurality of connection ends, and the plurality of extension parts are in contact with the same end portion of the coil.Type: GrantFiled: October 14, 2020Date of Patent: November 26, 2024Assignee: LG INNOTEK CO., LTD.Inventor: Kyoung Min Park
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Patent number: 12155298Abstract: An open loop control unit is provided to monitor an output power of a charge pump converter having an input impedance and a first input impedance controlling terminal configured to be plugged to the open loop control unit and modify the input impedance. The open loop control unit includes at least a reference circuit to sense the output power of the charge pump converter and at least one control circuit to receive the difference value, establish a trim value, and send the trim value to the impedance controlling terminal so as to modify the input impedance.Type: GrantFiled: December 16, 2020Date of Patent: November 26, 2024Assignee: EM Microelectronic-Marin SAInventor: Alessandro Venca
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Patent number: 12155296Abstract: Provided is a current compensation system for solar generators for compensating for noise using an active electromagnetic interference (EMI) filter. An inverting system for solar generators includes a solar inverter converting DC voltage to AC voltage, an EMI filter unit including an active EMI filter to reduce noise corresponding to the AC voltage, a power grid, and at least two or more through lines passing a second current from the power grid to the solar inverter and passing through the EMI filter unit, wherein the active EMI filter includes a noise sensing unit sensing a first current on the at least two or more through lines and generating an output signal corresponding to the first current, an active circuit unit amplifying the output signal to generate an amplified signal, a compensation unit generating a compensation current based on the amplified signal, and a transmission unit providing a path through which the compensation current flows to each of the at least two large current paths.Type: GrantFiled: October 7, 2020Date of Patent: November 26, 2024Assignees: EM CORETECH INC., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Sang Yeong Jeong, Jin Gook Kim
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Patent number: 12155269Abstract: A rotating electrical machine includes a magnetic field generator, and an armature that includes a multi-phase armature winding. The magnetic field generator includes a tubular cylindrical magnet carrier having opposing first and second peripheral surfaces and arranged to be coaxial with a rotating shaft attached to the rotor. The first peripheral surface of the magnet carrier is closer to the armature than the second peripheral surface is. The magnetic field generator includes a tubular cylindrical magnet holder having opposing first and second peripheral surfaces. The first peripheral surface of the magnet holder is closer to the armature than the second peripheral surface is. The tubular cylindrical magnet holder is secured to the first peripheral surface of the magnet carrier, and the magnets are secured to the first peripheral surface of the magnet holder. The magnet holder has a stacked configuration stacked in an axial direction of the rotating shaft.Type: GrantFiled: September 20, 2021Date of Patent: November 26, 2024Assignee: DENSO CORPORATIONInventor: Yuki Takahashi
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Patent number: 12149175Abstract: Systems for power conversion, and controllers and methods for operating a multiage power converter. The method includes determining a target body brake time period for setting a load current of the multistage power converter below a predetermined threshold. The method also includes activating a body brake condition for the multistage power converter. The method further includes turning off each stage in the multistage power converter when the body brake condition is active. The method also includes deactivating the body brake condition after the target body brake time period following an activation of the body brake condition.Type: GrantFiled: October 6, 2022Date of Patent: November 19, 2024Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Salvatore Leone, Alessandro Zafarana
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Patent number: 12149169Abstract: A power converter having a multi-slope compensation mechanism is provided. A multi-slope compensation circuit of the power converter includes a plurality of first capacitors, a comparator and a plurality of first resistors. A first terminal of each of the plurality of first capacitors and a node between a second terminal of a high-side switch and a first terminal of a low-side switch are connected to an inductor. A plurality of first input terminals of a comparator are respectively connected to second terminals of the plurality of first capacitors, and are respectively connected to first terminals of the plurality of first resistors. Second terminals of the plurality of first resistors are coupled to a second reference voltage. A second input terminal of the comparator is coupled to a first reference voltage. An output terminal of the comparator is connected to an input terminal of a driver circuit.Type: GrantFiled: October 20, 2022Date of Patent: November 19, 2024Assignee: ANPEC ELECTRONICS CORPORATIONInventors: Cheng-Han Wu, Fu-Chuan Chen
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Patent number: 12147254Abstract: A voltage regulating circuit includes a low-dropout regulator, configured to provide a driving voltage to drive a loading circuit and receive a first detection voltage from a first feedback terminal; and a reference voltage generating circuit, coupled to the low-dropout regulator, configured to receive a second detection voltage from a second feedback terminal. A voltage difference between the first feedback terminal and the second feedback terminal is clamped according to the first detection voltage and the second detection voltage.Type: GrantFiled: May 31, 2022Date of Patent: November 19, 2024Assignee: NOVATEK Microelectronics Corp.Inventor: Chun-Hung Chen
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Patent number: 12149165Abstract: In an embodiment a DC to DC conversion circuit includes a DC to DC converter connected to an input path and an output path and a current limiting circuit including a circuit configured to detect when an input or output current of the DC to DC converter exceeds or falls below a current threshold and a controller configured to store a first voltage level of an output voltage of the DC to DC converter in response to the input or output current exceeding the current threshold, to store a second voltage level of the output voltage in response to the input or output current falling below the current threshold and to set a control signal based on the first and second voltage levels.Type: GrantFiled: October 13, 2023Date of Patent: November 19, 2024Assignee: STMicroelectronics (Grand Ouest) SASInventor: Lionel Cimaz
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Patent number: 12150236Abstract: 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.Type: GrantFiled: May 12, 2022Date of Patent: November 19, 2024Assignee: Infineon Technologies Austria AGInventors: Gerald Deboy, Kok Yau Chua, Angela Kessler, Kennith Kin Leong, Chee Yang Ng, Luca Peluso
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Patent number: 12149157Abstract: A controller applied to a power converter is installed in a primary side of the power converter. The controller includes a capacitor, an adjustment signal generation circuit, and a discharge circuit. The capacitor is used for generating a tracking voltage. The adjustment signal generation circuit is used for generating an adjustment signal according to a feedback voltage and the tracking voltage. The discharge circuit is used for discharging the capacitor according to the feedback voltage and the adjustment signal. The tracking voltage is used for tracking a state of a magnetizing current of a magnetizing inductor of the primary side of the power converter, and when the tracking voltage consists with the state of the magnetizing current, the tracking voltage is applied to at least one of zero-voltage switching (ZVS) control and quasi-resonant (QR) control of the power converter.Type: GrantFiled: November 9, 2022Date of Patent: November 19, 2024Assignee: Leadtrend Technology Corp.Inventors: Ming-Chang Tsou, Chao-Chih Lin, Meng-Jen Tsai
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Patent number: 12147260Abstract: A start-up circuit for a self-biasing generator provides a reference voltage or a reference current, the start-up circuit including an impedance circuit. In response to a start-up signal input to the start-up circuit, the impedance circuit is coupled to a bias voltage line of a current mirror circuit of the self-biasing generator, thereby inducing current to flow in the self-biasing generator and starting the self-biasing generator. A bypass current source is coupled to the current mirror circuit and to the impedance. The bypass current source is configured to be driven by a current in the current mirror circuit and to supply current to the impedance in proportion to the current in the current mirror circuit, thereby limiting the current induced to the self-biasing generator by the start-up circuit.Type: GrantFiled: March 11, 2022Date of Patent: November 19, 2024Assignee: Nordic Semiconductor ASAInventor: Dominik Przyborowski
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Patent number: 12149161Abstract: Provided is a control unit of a power conversion device configured to select, in each first set cycle, a first target switching element and a second target switching element from a plurality of switching elements connected in parallel to each other. The control unit performs control so that, at a time of a turn-on operation of a switching circuit, a turn-on start time of the first target switching element is earlier by a first set time period than a turn-on start time of another switching element that is not the first target switching element. The control unit performs control so that, at a time of a turn-off operation of the switching circuit, a turn-off start time of the second target switching element is later by a second set time period than a turn-off start time of another switching element that is not the second target switching element.Type: GrantFiled: February 7, 2020Date of Patent: November 19, 2024Assignee: Mitsubishi Electric CorporationInventor: Yuya Takahashi