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公开(公告)号：US20240250617A1
公开(公告)日：2024-07-25
申请号：US18427231
申请日：2024-01-30
发明人： Tzachi Glovinsky , IIan Yoscovich , Guy Sella , Milan IIic , Jaya Deepti Dasika
CPC分类号： H02M7/53803 , H02J4/00 , H02M3/015 , H02M3/071 , H02M3/1582 , H02M3/1584 , H02M5/293 , H02J1/08 , H02M5/2932
摘要： An apparatus includes a DC-to-AC converter comprising a first output terminal and a second output terminal. The apparatus also includes a DC-to-DC converter comprising a third output. The DC-to-AC converter is configured to receive a DC input voltage from a DC power source, and to produce a first alternating output voltage at the first output terminal, and a second alternating output voltage at the second output terminal. The DC-to-DC converter is configured receive a DC input voltage from the DC power source, and to step down the DC input voltage at the third output.
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公开(公告)号：US20240223071A1
公开(公告)日：2024-07-04
申请号：US18215273
申请日：2023-06-28
发明人： Kazuo HATTORI
CPC分类号： H02M1/32 , G01R31/52 , H02H1/0007 , H02H7/1216 , H02M5/293
摘要： In a switching module, a determiner of a controller performs a first determination, in which a commander controls relays of first bidirectional switches to an opened state and controls relays of second bidirectional switches to a closed state by outputting an opening command signal to the relays of the first bidirectional switches and outputs a closing command signal to the relays of the second bidirectional switches, and the determiner determines that at least one of the relays of the first bidirectional switches controlled to the opened state has a short-circuit fault in a case where a difference voltage between a voltage measured by a voltmeter connected to the relay of one of the first bidirectional switches controlled to the opened state and a voltage measured by a voltmeter is within a preset voltage range.
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公开(公告)号：US11923780B2
公开(公告)日：2024-03-05
申请号：US17960722
申请日：2022-10-05
发明人： Manjusha Vijayagopal , César Armando Silva Jiménez , Lee Empringham , Liliana Vittoria De Lillo
IPC分类号： H02M5/293 , H02M5/297 , H02M7/5387
CPC分类号： H02M5/293 , H02M5/297 , H02M7/53876
摘要： There is provided a method of generating a control strategy based on at least three switching states of a matrix converter. The at least three switching states are selected based on at least a predicted output current, associated with each switching state, and a desired output current. In particular, mathematical transformations of a desired output current as well as output currents associated with each of a plurality of switching states are used to identify appropriate switching states.
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公开(公告)号：US11863081B2
公开(公告)日：2024-01-02
申请号：US16669909
申请日：2019-10-31
发明人： Santosh Kulkarni , Jens Masuch
CPC分类号： H02M5/293 , H01F3/14 , H01F27/2804
摘要： A single/Multi-phase PMIC built on silicon substrate with coil layers processed on top of the PMIC layers' is provided. The integrated coil is in a spiral form, with a gap at the center of the coil, making additional metal routing not required. The integrated coil has connection pads located in the center gap of the spiral form, limiting the overall inductor resistance to the device only. The on-die inductor may have a magnetic core wrapping the windings. The spiral form may be implemented in a circular design, or a racetrack (elongated spiral) design. The coil layers may be implemented as multiple coil layers or as a single coil layer, connected in parallel (with the same I/O pads), reducing the resistance and maintaining the inductance.
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公开(公告)号：US11817795B2
公开(公告)日：2023-11-14
申请号：US17477775
申请日：2021-09-17
发明人： Jian Deng , Chen Zhao , Yunlong Han , Qiukai Huang
摘要： A switching power supply circuit can include: an energy storage capacitor; a high-frequency switching network coupled to the energy storage capacitor, and being configured to receive a low-frequency AC input voltage, to charge the energy storage capacitor, to perform high-frequency chopping on the low-frequency AC input voltage and/or a voltage of the energy storage capacitor, and to generate a high-frequency AC signal; and a rectifier module coupled to the high-frequency switching network, and being configured to receive the high-frequency AC signal, to rectify the high-frequency AC signal, and to generate a DC signal.
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公开(公告)号：US20230299660A1
公开(公告)日：2023-09-21
申请号：US18322177
申请日：2023-05-23
申请人： Apple Inc.
发明人： Jie Lu , Brandon Pierquet , Ashish Sahoo
CPC分类号： H02M1/15 , H02M5/293 , H02M7/53 , H02M1/0054
摘要： A stacked half bridge converter may be configured to provide an AC output voltage from either a DC or an AC input voltage. The switching devices of the converter may be operated according to a plurality of switching sequences, each switching sequence including one or more switching patterns, each switching pattern including one or more switching states of the switching devices. The switching sequences, patterns, and states may be selected to improve operation of the converter, by regulating the voltage at a neutral point of the converter to reduce ripple, increase switching efficiency, protect the switching devices from overvoltages, and the like.
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公开(公告)号：US11731520B2
公开(公告)日：2023-08-22
申请号：US17892401
申请日：2022-08-22
申请人： UT-Battelle, LLC
发明人： Erdem Asa , Veda Prakash Galigekere , Omer C. Onar , Burak Ozpineci , Jason L. Pries , Gui-Jia Su
CPC分类号： B60L53/122 , B60L53/60 , H02J7/0047 , H02J50/12 , H02J50/80 , H02M5/293 , B60L2210/20 , B60L2210/30 , H02J2310/48
摘要： A method for wirelessly or conductively (non-wireless) providing AC or DC power in AC or DC load applications and bidirectional applications.
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公开(公告)号：US11728722B2
公开(公告)日：2023-08-15
申请号：US17566307
申请日：2021-12-30
发明人： Shungen Sun , Hanfei Yang
摘要： A control circuit for a power converter comprising switching transistors and an output inductor is disclosed. One terminal of the output inductor serves as an output node, and another terminal of the output inductor serves as a switching node. The control circuit is configured to generate a control signal for controlling switching transistors in the power converter. The control circuit includes: a RC oscillator network connected to two terminals of the output inductor, the RC oscillator network configured to generate an oscillation signal containing a feedback ramp slope compensation component in response to a change in a voltage across the terminals of the output inductor; a comparator; an on-time generation circuit; and a control signal generation circuit to generate the control signal for controlling the switching transistors in the power converter.
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公开(公告)号：US11689116B2
公开(公告)日：2023-06-27
申请号：US17402207
申请日：2021-08-13
发明人： Jens Schmenger , Lutz Namyslo
IPC分类号： H05K7/20 , H05K7/14 , H02M7/00 , H02M7/5387 , H02M5/293
CPC分类号： H02M7/003 , H02M7/5387 , H05K7/1432 , H05K7/209 , H02M5/293
摘要： A substrate and a first circuit board each have an upper side and a lower side. The substrate lower side is connected to a cooling body. On the upper side of the substrate, first electronic switching elements connect an alternating current potential at a phase terminal to a high direct current potential at a first potential terminal and to a low direct current potential at a second potential terminal. Second electronic switching elements connect the alternating current potential to a middle direct current potential at a third potential terminal. The substrate is spaced from the first circuit board under the first circuit board lower side. The upper side of the substrate faces toward the first circuit board. The second switching elements are at least on the upper side of the first circuit board, possibly additionally also on the lower side of the first circuit board.
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公开(公告)号：US20190199230A1
公开(公告)日：2019-06-27
申请号：US16326038
申请日：2016-08-18
申请人： ABB SCHWEIZ AG
CPC分类号： H02M5/225 , H02J3/01 , H02J3/34 , H02M1/08 , H02M1/12 , H02M5/293 , H02M5/297 , H02M2001/0006 , H02M2007/4835
摘要： A method of decoupled modulation of a direct AC/AC MMC between a first AC network having a first waveform and a second AC network having a second waveform, the MMC having a double-star topology with a plurality of phase legs, each phase leg having a first branch and a second branch, each of the first and second branches comprising a plurality of series connected bipolar cells. The method includes performing a first modulation based on a reference signal of the first AC network, independently of a reference signal of the second AC network, to generate, for each phase leg, a first integer command signal corresponding to a first combination of cell states in the first and second branches of the phase leg needed for generating the first waveform. The method also comprises performing a second modulation based on the reference signal of the second AC network, independently of the reference signal of the first AC network to generate, for each phase leg, a second integer command signal corresponding to a second combination of cell states in the first and second branches of the phase leg needed for generating the second waveform. The method also includes, based on the first and second integer command signals, mapping to each branch a number of cell states to be used for concurrently generating both the first and second waveforms, generating branch-level command signals to a capacitor voltage balancing algorithm. The method also includes, based on the mapping and the balancing algorithm, sending firing signals to the plurality of cells of each branch.
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