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WO/2023/224008A1 |
A multi-phase LLC resonant converter circuit (10) comprises: first to third LLC resonant converters comprising series circuits (S1 to S3) of first switches and second switches, which are connected in parallel with a DC power supply, high...
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WO/2023/221812A1 |
Disclosed in the embodiments of the present application are a switch power source and a charger. The switch power source comprises: a control circuit, a transformer, a first switch tube, a first diode and a feedback circuit, wherein the ...
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WO/2023/223771A1 |
A control device (24) makes switching elements (14a, 14b), which adjust the phase of a carrier signal, different from each other between when switching from a first mode in which current flows through each of the reactors (12a, 12b) of a...
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WO/2023/223836A1 |
In the present invention, a power supply circuit for cold start (PS) comprises: clock generating circuits (10, 20) that generate an HOL clock from the output voltage of a harvester (EH); a DRV circuit group (30) in which the HOL clock is...
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WO/2023/223998A1 |
A multiphase LLC resonant converter circuit (10) comprises: first through third LLC resonant converters comprising series circuits (S1-S3) in which first and second switches connected in parallel with a DC power supply (30) are connected...
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WO/2023/220922A1 |
The present invention relates to a current-limiting circuit of a flyback converter, and a flyback converter. The converter comprises a power input end, a power output end, a transformer, a rectifier circuit and a switch unit. The current...
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WO/2023/221212A1 |
The present application discloses a high-frequency isolated bidirectional converter, comprising a switch circuit, a resonant circuit, a transformer, and a full-bridge switch circuit, wherein one side of the full-bridge switch circuit and...
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WO/2023/224090A1 |
Provided is a flying apparatus that can effectively cool components of the flying apparatus. A flying apparatus 10 comprises an airframe base 14, a power supply section, an arm 11 extending toward the periphery of the airframe base 14,...
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WO/2023/222402A1 |
The present disclosure generally pertains to testing of secondary batteries. More specifically, the disclosure relates to a bi-directional DC/DC converter (100) that can operate in both directions on one channel (400). According to a fir...
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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/2023/223717A1 |
A switching control device is configured so as to control a switching element connected to a primary winding of a transformer. The switching control device has: a terminal that is configured so as to receive a first current according to ...
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WO/2023/224866A1 |
A comparator circuit with a speed control element is disclosed herein. The speed control element may include a variable voltage source and one or more transistors. Using a voltage supplied by the variable voltage source, the one or more ...
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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/2023/218836A1 |
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/2023/217372A1 |
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/2023/217470A1 |
The invention relates to a method (S1-S8) for supplying power to a LV onboard electrical subsystem (NVN) of a vehicle from the HV onboard electrical subsystem (HVN) thereof via at least one galvanically isolated DC voltage converter (GSW...
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WO/2023/219128A1 |
Provided are m-number of lower conversion circuits (10 1-m) constituting an LLC resonance converter in which operations are performed by turning on and off an upper switch element (QH) and a lower switch element (QL) together with a reso...
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WO/2023/216586A1 |
Provided in the present application is a solid state transformer. The solid state transformer of the present application comprises a first-phase circuit, the input end of the first-phase circuit being connected to single-phase medium-vol...
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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/2023/219031A1 |
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/2023/219022A1 |
In the present invention, a power supply device comprises: an input terminal connected to an external power supply; an output terminal connected to a load; and N power supply units (10) connected to each other in parallel between the inp...
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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/2023/216362A1 |
Disclosed in the present application are an HART circuit and a state determination method for a field interface thereof. The HART circuit comprises: a control interface, an adjustable power supply module, a first HART module, an isolatio...
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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/2023/215657A1 |
An electronic component comprises a semiconductor devices package. The semiconductor device package includes a conductive structural package base, a first terminal configured to be connected to an inductive load, and a second terminal co...
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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/2023/214527A1 |
The purpose of the present invention is to reduce harmonics in a power converter. In the present invention, either one or both of a first voltage, which has been boosted by a booster with respect to a DC link, and a duty, in which a swit...
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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/2023/208860A1 |
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/2023/207706A1 |
A charging circuit and an electronic device, relating to the technical field of electronics, and capable of improving the power of high power fast charging. The charging circuit comprises: at least two direct current-direct current (DC-D...
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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/2023/207789A1 |
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/2023/206786A1 |
Disclosed in the present application are an Ethernet device, and a bidirectional converter and a control method therefor. The bidirectional converter is arranged in any Ethernet device, and comprises: a first switch tube, a second switch...
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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/2023/209880A1 |
A power conversion device (100) comprises: an outer box for accommodating an electric component; a cooler (31) which has a plurality of pin-shaped fins (311) and a base plate (312) as a lid of the outer box, and in which the plurality of...
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WO/2023/209821A1 |
A power conversion device (1000) comprises: N direct current voltage terminals (VE1-VEN); a converter (100); and a switching control unit (10) that controls switching of a switching element included in the converter (100). At least one o...
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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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WO/2023/210256A1 |
A power supply device according to the present invention is provided with an input capacitor, a step-down DC/DC converter, a step-down control unit, a power storage capacitor, a step-up DC/DC converter, and a step-up control unit. The st...
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WO/2023/208873A1 |
The present description relates to a switched-mode power supply system comprising at least one pair of dual-bridge converters (DAB1, DAB2), wherein: first switching H-bridges of the converters are connected, in parallel or in series, to ...
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WO/2023/206953A1 |
Disclosed in the present invention is a multi-reference-level wide-range gain adjustment high-transformation-ratio DC/DC converter, which consists of an N-stage high-transformation-ratio DC/DC converter and a reference level converter, o...
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WO/2023/207112A1 |
A charge pump control circuit, a display panel, and a display apparatus. The charge pump control circuit comprises: a first sampling identification module (10), which is used for sampling an input voltage of a series branch (60), outputt...
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WO/2023/202853A1 |
The invention relates to an electronic system comprising a power supply module (5) configured to supply power to an electronic device (3), the electronic device (3) comprising at least one light source (9), a rechargeable battery (13), a...
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WO/2023/202411A1 |
The present application provides a power module, a charging pile, and a power supply device. The power module comprises: a power supply input terminal, a first DC/DC power converter, a second DC/DC power converter, a switching unit, and ...
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WO/2023/202689A1 |
Embodiments of the present application provide a multiphase buck conversion circuit, apparatus and device. The circuit comprises: a first switch S1, a second switch S2, a third switch S3, a fourth switch S4, a first driver, a second driv...
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WO/2023/203678A1 |
A switching leg (152) includes a first switching element (Q1) and a second switching element (D1) that are connected in series. A driving circuit (150) includes: a driver (151) for driving the first switching element (Q1); a diode (D2) f...
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WO/2023/204552A1 |
Provided is an aerosol generating device including: a battery configured to supply power; a heating body configured to heat an aerosol generating article; and an amplifier electrically connected to the battery and the heating body, where...
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WO/2023/205276A1 |
Embodiments that provide advanced charging of energy source arrangements for energy storage applications are disclosed. The embodiments can be used within energy storage systems having a cascaded arrangement of converter modules. The emb...
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WO/2023/205550A1 |
A bidirectional isolated high voltage DC-DC converter includes a primary three-level circuit, a capacitor-inductor-inductor-capacitor (CLLC) resonant tank network connected to the primary three-level circuit, a secondary three-level circ...
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