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WO/2023/229258A1 |
A switching mode power supply is disclosed. The switching mode power supply comprises: a power input unit which receives input of an input alternating current (AC) voltage; a rectifying unit which rectifies the input AC voltage; a conden...
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WO/2023/226253A1 |
Disclosed in the present invention are a permanent-magnet electric motor system and a soft start method. The permanent-magnet electric motor system comprises a electric motor unit and an electric motor controller. The electric motor cont...
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WO/2023/229875A1 |
A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power...
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WO/2023/229900A1 |
Power converter circuits and methods that include self-timed bootstrap capacitor power sources. Added to a power converter having a diode stack for charging bootstrap capacitors are three types of supplemental circuit blocks: a trigger b...
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WO/2023/229877A1 |
A high voltage pulse power delivery system is provided that includes dedicated safety features including fault detection and fault management. Alongside normal communications cabling, the pulse power delivery system provides remote power...
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WO/2023/221526A1 |
The present invention provides an overcurrent protection circuit of a power supply system, and a power conversion device. The circuit comprises: a transformer, a first sampling circuit, a second sampling circuit, a first processor, and a...
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WO/2023/222183A1 |
The present disclosure relates to a high voltage bypass device (10), comprising a cavity (13), a trigger element arranged in the cavity (13), a reservoir (17) filled with a conductive, flowable material (18), and a shutter (19) separatin...
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WO/2023/225419A1 |
An apparatus includes an AC input configured to receive an AC electrical signal and a DC input configured to receive a first DC electrical signal having a lower voltage and a second DC electrical signal having a higher voltage. The appar...
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WO/2023/223063A1 |
The present invention comprises: a first conversion circuit that has a first switching element which performs high-speed switching and that converts power input from an input terminal into a first AC power; and a second conversion circui...
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WO/2023/222420A1 |
Multi-level converter (1), comprising - a capacitor (2); - a resistor (3); - a first switch (4) actuated by a first motor drive (40); - a second switch (5) actuated by a second motor drive (50); wherein - in a closed state, the first swi...
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WO/2023/223679A1 |
A semiconductor device 10 comprises: a first driver 162 for driving an output element M1 which forms a switch output stage SWO; at least a part of a bootstrap circuit BST for generating a boot voltage Vb higher than a switch voltage Vsw ...
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WO/2023/222221A1 |
Disclosed is a DC/DC partial power converter (PPC), comprising a plurality of first switching cells; a capacitive energy storage element; a plurality of second switching cells; and a printed circuit board (PCB). A power input terminal of...
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WO/2023/216705A1 |
The present application provides a power conversion circuit and a power supply system. The power conversion circuit comprises N rectifiers and a control unit; each rectifier comprises two rectifier modules; each rectifier module comprise...
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WO/2023/218836A1 |
This isolated power supply device comprises a plurality of transformers (60a to 60j) having input windings (61a to 61j) and cores. The input windings are each connected to a DC power supply (42), and the output sides of the transformers ...
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WO/2023/217221A1 |
The present application provides a bridge arm circuit having capacitor-assisted turn-off, a converter, a method, an apparatus and a system. The bridge arm circuit having capacitor-assisted turn-off comprises a main branch and an assisted...
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WO/2023/217372A1 |
Provided an AC/DC power converter (300, 422). The AC/DC power converter (300, 422) includes a low-frequency half-bridge switching device circuit (Sa, Sb) (302), a high-frequencyhalf-bridge switching device (S1, S2) circuit (304) and a co...
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WO/2023/218307A1 |
An AC-to-AC converter is described that comprises input terminals, pairs of output terminals, a plurality of bridge arms, and a control unit. The bridge arms are connected in parallel to the input terminals and comprise a respective brid...
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WO/2023/219186A1 |
A power supply device comprises: an EMI filter; a rectification unit for rectifying an AC voltage that has passed through the EMI filter; a power factor correction unit for carrying out power factor correction for the rectified voltage, ...
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WO/2023/219595A1 |
Three-phase, three-level, transformerless, step-down inverter The invention relates to a transformerless, high efficiency, three-level, high power density, three-phase DC/AC inverter used in renewable energy, military land/sea/air vehicl...
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WO/2023/217104A1 |
The present invention provides a switch mode power supply control circuit and a power supply chip. The switch mode power supply control circuit comprises a signal conversion module; the signal conversion module is used for acquiring an i...
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WO/2023/216518A1 |
Disclosed in the present application is a T-type three-level overload operating system. The T-type three-level overload operating system comprises a three-level topological circuit and an overload mode switching system, wherein a first d...
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WO/2023/220682A1 |
Disclosed embodiments may include an apparatus including a first device layer including first switches, a second device layer including second switches, and a third device layer disposed between the first device layer and the second devi...
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WO/2023/219558A1 |
A phase-shift modulated full-bridge power inverter comprises: a leading bridge leg comprising: a first power switch having a first power switch parasitic capacitance; and a second power switch having a second power switch parasitic capac...
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WO/2023/217575A1 |
An electrical converter (10) comprises a main stage (12) adapted for converting a DC voltage into an intermediate voltage comprising at least two voltage levels and a filter cell stage (14) with a filter cell (30) for each phase of the i...
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WO/2023/216488A1 |
The present application provides a power battery voltage regulation circuit and system and a control method thereof. The power battery voltage regulation circuit comprises a power battery, a heating module, a charging and discharging int...
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WO/2023/219031A1 |
The present invention is configured in a manner such that: a high-side pre-driver (21) has a first high-side transistor (HPM1) and a second high-side transistor (HPM2); a low-side pre-driver (22) has a third high-side transistor (LPM1) a...
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WO/2023/220686A1 |
A power module includes a first board comprising a first surface and a second surface opposite to each other and perpendicular to a bottom surface of the power module for mounting the power module to a circuit board, the bottom surface p...
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WO/2023/220679A1 |
Disclosed embodiments may include a power converter package including devices stacked vertically. The devices include a first device (110a) and a second device (110b). The first device (110a) includes a first switched capacitor circuit (...
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WO/2023/218988A1 |
This bootstrap circuit comprises: a first switch configured so as to be applied with a constant voltage at a first end; a capacitor that is connected, at a first end thereof, to a second end of the first switch, and that is configured so...
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WO/2023/213472A1 |
In some examples, a control system for regulating a three-phase power supply comprises, for each one of multiple sources of alternating current (AC), the AC sources configured to supply respective input AC signals each with defined phase...
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WO/2023/213292A1 |
Provided are a combined control voltage converter, a control method, a power supply, and a new energy vehicle. The converter comprises: a first switching tube, a second switching tube, a third switching tube which is in complementary con...
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WO/2023/213261A1 |
A wireless charging voltage stabilizing circuit, a power supply, and a new energy vehicle. The circuit comprises: a chip (1), used for comparing a battery voltage with a reference voltage and outputting a control signal, so as to control...
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WO/2023/213047A1 |
Disclosed in the present invention are a switch power source for isolated output on a single path among multiple paths, and an LLC switch circuit. The switch power source comprises a power factor correction circuit and an LLC switch circ...
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WO/2023/214732A1 |
An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a battery, a temperature sensor configured to sense a temperature of the battery, a plurality of heaters, and a controller. The controlle...
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WO/2023/213613A1 |
A mechanism for controlling a supply voltage for a switched-mode power supply designed for compensating an AC mains power ripple in a PFC output signal produced by a power factor converter. An adjustment circuit is used to synchronize th...
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WO/2023/213513A1 |
The invention describes an energy supply device (10) for an electrolysis unit (20), having - a grid connection (15) for connection to an energy supply grid (40), - a DC voltage output (16) for the connection of an electrolyser (22), and ...
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WO/2023/208860A1 |
An apparatus for power conversion is provided. The apparatus comprises: a plurality of partial power converters (PPCs) (100, 10n), wherein each of the plurality of PPCs (100,..., 10n) comprises three ends (10, 20, 30), the three ends (10...
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WO/2023/210954A1 |
A display device and an electronic device are provided. The display device comprises: a display panel; a display case which supports the display panel and which includes a board mounting unit; a printed circuit board mounted on the board...
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WO/2023/207647A1 |
Disclosed in the present utility model is an electrical device, comprising a box body and a plurality of hanging members. Apparatuses are provided outside the box body; the handing members are respectively fixed to the apparatuses, and a...
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WO/2023/212452A1 |
In one embodiment, an apparatus includes a surge voltage blocker circuit to couple between a distribution grid network and a grid-side power converter of a power conversion system. The surge voltage blocker circuit may include a pluralit...
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WO/2023/207588A1 |
Embodiments of the present application disclose a flyback power supply and a charger. The flyback power supply comprises: a primary control circuit, a secondary control circuit, a switch tube, a rectifier bridge, and a transformer. The r...
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WO/2023/209155A1 |
The invention relates to a control apparatus for controlling two switches of a synchronous buck converter. The control apparatus is configured to receive a measurement signal of an inductor current flowing through an inductor of the sync...
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WO/2023/208554A1 |
In a high-voltage power electronics assembly (1) having at least two N-level half-bridge branches (3) connected in parallel, symmetrical current distribution among the half-bridge branches (3) is to be achieved. This is achieved in that ...
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WO/2023/207789A1 |
Provided in the embodiments of the present application are a power adapter, an over-current protection circuit, and an electronic device. A primary control chip in the power adapter is in isolation connection with a secondary protocol ch...
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WO/2023/212513A1 |
In some examples, an apparatus includes: a ramp generation circuit (1002) having a ramp control input (1003b) and a ramp output (1003e), the ramp control input coupled to a power factor correction (PFC) output terminal; a comparator (630...
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WO/2023/208893A1 |
A method for estimating an accumulated fatigue damage of a switching power converter comprising a plurality of power modules each comprising a first semiconductor device, comprises: (i) determining of the plurality of power modules, a si...
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WO/2023/212301A1 |
A multi-phase power converter with current matching is provided. The apparatus may include a control circuit to control a first phase of a power converter having a plurality of phases, and a phase matching circuit. The phase matching cir...
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WO/2023/207956A1 |
The present application provides a power supply circuit of a switching power supply and a power supply method thereof. The power supply circuit of the switching power supply comprises: a main power tube and an auxiliary power tube which ...
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WO/2023/207442A1 |
The present application provides a power circuit and a power adapter. The power circuit comprises a power input end, a power factor correction module, a DC-DC conversion module, and a power output end which are coupled in sequence. The p...
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WO/2023/206952A1 |
Disclosed in the present invention is a gain-adjustable and high-conversion-ratio DC/DC converter for a wide input voltage range. The gain-adjustable and high-conversion-ratio DC/DC converter is composed of an N-stage high-conversion-rat...
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