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WO/2022/260871A1 |
Isolated buck converters can be an efficient solution in applications that deal with wide variations in input and/or output voltage. The double ended embodiments of such converters can also offer improved transformer utilization. Such co...
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WO/2022/257952A1 |
An electronic device (10) and a variable frequency control system using the electronic device (10). The electronic device may comprise: a shielding layer (102), which is inserted between a current outflow terminal (201) of a switching de...
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WO/2022/261059A1 |
A ZCVTT switching circuit includes a switch, and a passive block coupled to the switch and configured to damp an input signal from the switch. The switching circuit further includes a recycle positive energy (RPE) block coupled to the pa...
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WO/2022/258615A1 |
A method of operating a switching power converter is provided. The power converter (10) comprises an inductor (25) and plural switches (21-24) and is operable in a modulation mode in which a current (iL) through the inductor (25) is modu...
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WO/2022/260089A1 |
Provided is a reactor comprising: an edgewise coil which is constituted by a rectangular wire; a magnetic core around which the coil is disposed; and a holding member which is disposed at at least one end of the coil. The coil comprises:...
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WO/2022/261037A1 |
In an example, a method includes storing a pending PWM pulse for a switching voltage regulator (300). The method also includes determining a switching voltage regulator (300) is operating in a current limit mode, where an inductor (320) ...
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WO/2022/258456A1 |
Disclosed is a power supply (1) for an LED load (2), comprising an isolating transformer (13) configured to inductively transfer power of a rectified mains supply (17) from a primary side (11) of the power supply (1) to a secondary side ...
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WO/2022/251997A1 |
A power circuit (A) and an electronic device. The power circuit (A) comprises a power module (A1) and a power supply module (A2) coupled to the power module (A1). The power module (A1) is configured to: supply power in a time-sharing pow...
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WO/2022/253317A1 |
Disclosed in the present invention is a split-type multifunctional underwater arc welding power supply, comprising: a shore power supply module and an underwater power supply module. The shore power supply module comprises a shore power ...
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WO/2022/256608A1 |
An eye protection device is disclosed that includes a lens, a first transparent conductive layer (TCL) coupled to the lens and that covers a first heating area on the lens and a second TCL coupled to the lens and that covers a second hea...
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WO/2022/253704A1 |
The invention relates to a circuit assembly for providing electric power for at least one DC load, in particular for at least one electrolyzer cell, from at least one alternating current source, having a primary DC intermediate voltage c...
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WO/2022/256835A1 |
A voltage converter comprises a drive control circuit configured to generate switch control signals and a feedback circuit. The feedback circuit comprises a proportional control and a gain controller. The feedback circuit is configured t...
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WO/2022/254508A1 |
The purpose of the present invention is to provide a power conversion device capable of further decreasing, compared to the prior art, misdetection of failures in a chopper circuit which constitutes phases. In order to achieve the fore...
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WO/2022/255341A1 |
This drive device comprises: a power supply circuit including a switch element; and a drive circuit that uses voltage supplied from the power supply circuit as power supply voltage and is configured so as to perform pulse driving of an e...
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WO/2022/256731A1 |
A system (100) includes a first power stage circuit (104) having a first PWM input (126) a first voltage input (128) and a first power output (130). The first power stage circuit (104) is configured to provide a first current at the firs...
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WO/2022/254711A1 |
A power conversion device (50) comprises an inverter circuit (60), a variable reactor (20), a transformer (12), and a converter circuit (70). The inverter circuit (60) comprises a plurality of switching elements (7 to 10) and snubber cap...
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WO/2022/254994A1 |
The objective of the present invention is to reduce the manufacturing costs of an electric power converting device and to reduce the installation space thereof. An electric power converting device (100) comprises: AC/DC converters (311 t...
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WO/2022/254995A1 |
An amplification circuit configured to generate an error voltage corresponding to a difference between a subject voltage and a reference voltage, the amplification circuit comprising: a first differential input pair including a first tra...
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WO/2022/250462A1 |
A buck-boost converter according to one embodiment comprises a buck-mode high-side switch unit, a buck-mode low-side switch unit, a boost-mode high-side switch unit, and a boost-mode low-side switch unit, each including a plurality of st...
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WO/2022/249860A1 |
An LED drive device (30) has a plurality of LED terminals (LED1 terminal–LED6 terminal) for connecting the cathodes of LEDs (41–46) of a plurality of systems, a minimum voltage input terminal (MINSELIN terminal), a minimum voltage ou...
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WO/2022/249913A1 |
A charging device (10) for charging a power storage device (110) comprises: power conversion units (13, 20, 30) that convert an AC input voltage to a DC voltage and output the DC voltage to the power storage device; and a control unit (7...
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WO/2022/249514A1 |
The present invention achieves a low-cost direct-current magnetic field superconducting coil power supply device that uses a superconducting coil. A direct-current magnetic field superconducting coil power supply device 1 comprises a s...
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WO/2022/250248A1 |
A PFM/PWM dual mode buck converter device according to an embodiment comprises: a DC-DC buck converter unit for performing a VPWM operation mode or an adaptive on-time PFM operation mode according to on-time control with respect to a hig...
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WO/2022/247485A1 |
The present application provides a current transmission plate, a chip system, and an electronic device. The chip system comprises: a motherboard, a chip, and a power supply unit. The motherboard comprises a first surface and a second sur...
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WO/2022/249042A1 |
The present invention relates to a remotely triggered improved electrical stimulus circuit to be worn by cattle which is lightweight and can store voltage lower than what is to be supplied to an animal. Known cattle electrical stimulus c...
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WO/2022/249751A1 |
Provided is a resonance-type power conversion circuit and the like greatly reducing computation cost with a simple configuration. The resonance-type power conversion circuit according to the present invention comprises: a resonance circu...
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WO/2022/247531A1 |
Provided is a resonant conversion system (300, 400), comprising: a controller (320, 420); and a resonant conversion circuit (310, 410) comprising a high-frequency chopper circuit (101), a resonant cavity (102), a transformer (103), and a...
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WO/2022/246540A1 |
A modular single-stage photovoltaic step-up converter system with integrated power balancing, the converter system comprising: an input stage comprising at least one converter module, the at least one converter module comprising a single...
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WO/2022/249187A1 |
A system for controlling an electric motor by implementing a synchronized bidirectional rotary dual active bridge, comprising a rotary transformer having a primary side and a secondary side; a first inverter being a first full active bri...
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WO/2022/248322A1 |
A power transmitter (101) for wirelessly providing power to a power receiver (105) comprises an output circuit (303, 103) comprising a transmitter coil (103) generating a power transfer signal when a drive signal is applied to the output...
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WO/2022/247820A1 |
The present application provides a resonant switched capacitor converter (RSCC) and a control method therefor. The RSCC comprises: an input capacitor, an output capacitor, N parallel RSC branches and a controller, wherein the controller ...
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WO/2022/249227A1 |
The purpose of the present invention is to enhance the cross regulation accuracy of a DC-DC converter comprising a SEPIC circuit adapted for multiple outputs for supplying positive and negative output voltages. [Solution] In a multi-outp...
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WO/2022/247472A1 |
A voltage conversion circuit (11), comprising: a DC-DC converter (100), which is used for performing boost conversion on an input voltage, so as to output a target voltage, wherein the DC-DC converter (100) is configured to have three wo...
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WO/2022/249601A1 |
Provided is a battery charge/discharge testing device that can efficiently use discharged power generated as regenerative power during discharging of a test battery. The battery charge/discharge testing device: has a sub charge/discharge...
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WO/2022/248329A1 |
A driving arrangement is provided for driving a load, comprising a driver input for receiving an input power and a driver output to be coupled to the load. A high frequency switch mode PFC converter converts the input power to a PFC conv...
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WO/2022/244998A1 |
A display device is disclosed. The present display device comprises: a first voltage-dividing circuit which includes a power supply circuit and a plurality of capacitors, and which divides voltage supplied from the power supply circuit t...
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WO/2022/241625A1 |
The present application relates to the field of power supply voltage regulation. Provided are a power supply circuit and a terminal device, by means of which the volume of the power supply circuit can be reduced while high-voltage input ...
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WO/2022/242135A1 |
The present application provides a power conversion system, a power conversion apparatus, and a control method therefor. In the power conversion apparatus, input terminals of each DC/DC conversion circuit inside the power conversion appa...
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WO/2022/241774A1 |
The present application provides an alternating current/direct current power conversion system, capable of adapting to different direct current voltage application scenarios without changing an internal structure of the power conversion ...
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WO/2022/245164A1 |
A converter comprises: a housing within which a space is formed and which is made of a plastic material; electronic components which are disposed in the space; and a heat dissipation member at least a part of which is disposed in the spa...
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WO/2022/244087A1 |
This power conversion apparatus is an insulated-type power conversion apparatus, and includes: a transformer; a first bridge circuit that includes a plurality of switching elements and that is provided upstream of the transformer; and a ...
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WO/2022/242330A1 |
The present application discloses a power supply device and a traveling device. The power supply device comprises a power pack, a power source processing circuit, a voltage converter, a connecting line, an inductor, and a capacitor. The ...
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WO/2022/245011A1 |
A semiconductor process system according to an embodiment of the present invention comprises: a substrate support part which includes an electrode and in which a substrate is disposed; and a frequency generation device for providing bias...
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WO/2022/242936A1 |
The invention relates to a method for operating a DC-DC converter for supplying an electrolysis device (6) with electrical operating power, in which in a step (S3) at least four controllable semiconductor switching elements (16a, 16b, 16...
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WO/2022/243674A1 |
This application relates to methods and apparatus for driving a transducer. A transducer driver has a switch network is operable to selectively connect a driver output to any of a first set of at least three different switching voltages,...
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WO/2022/244288A1 |
The present invention concerns a system for controlling an isolated resonant converter, the isolated resonant converter comprising a bridge converter, a transformer and a rectifier module. The system comprises an input voltage measuremen...
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WO/2022/244906A1 |
A power supply device according to one aspect of the present invention comprises: a switch including a first terminal and a second terminal receiving a control signal, the switch operating to be turned on or off by comparing the magnitud...
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WO/2022/243596A1 |
Disclosed is a system for zero voltage switching in a power converter (102, 302) comprising first half-bridge (106, 202) and second half-bridge (108, 204, 310, 312, 314). The first half-bridge comprises first set of transistors (202a, 20...
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WO/2022/238549A1 |
The invention provides an electronic assembly for an automotive lighting device, the electronic assembly comprising a plurality of converters (8, 9, 10, 11, 12), at least one driver channel (5, 6, 7) being electrically fed by at least on...
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WO/2022/241035A1 |
A multi-phase hybrid power converter architecture which provides high efficiency, high power density and high conversion ratios for non-isolated DC to DC power conversion. Hybrid converters are described in which a switched-capacitor net...
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