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WO/2024/057598A1 |
Provided is a gate drive circuit for a semiconductor switching element, the gate drive circuit driving and controlling the semiconductor switching element by using two independent gate electrodes, and being characterized in that the time...
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WO/2024/055408A1 |
Provided in the present application are a DC-DC converter, a switch power supply, and an electronic device. One end of a peak current sampling module in the DC-DC converter is connected to a drain electrode of a power tube, is connected ...
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WO/2024/059297A1 |
A circuit comprising a voltage source, a four-phase boost converter, an auxiliary circuit, and a controller is disclosed. The four-phase boost converter includes two loosely coupled inductors, each loosely coupled inductor having one inp...
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WO/2024/056577A1 |
A PFC circuitry with EMI filter comprises: ‐ A PFC switch having a switch and an inductor, ‐ A control unit controlling, preferably feedback-controlling, the switch via a switch control signal, and‐ An active EMI filter, arranged b...
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WO/2024/050781A1 |
The present invention relates to a converter parameter determination method, a control method, a computing device and a storage medium. The parameter determination method comprises: setting an AC/DC output voltage to the minimum value wi...
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WO/2024/053197A1 |
A power supply device (17) comprises a first circuit (61) and a converter (53). The first circuit (61) converts alternating-current voltage to a first direct-current voltage and outputs the first direct-current voltage. The converter (53...
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WO/2024/051189A1 |
Provided in the present application are a control method and control circuit for a bidirectional resonant direct-current converter. In the control method, when the reversal of a secondary side resonant current is detected, corresponding ...
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WO/2024/053135A1 |
This radio-frequency power supply device (1) comprises: an RF amplification section (10) that carries out RF amplification by the switching operation of amplifying elements (11); and a gate drive section (20) that inputs a gate signal to...
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WO/2024/053779A1 |
The present specification relates to an inverter control device and method. The inverter control device according to one embodiment of the present specification comprises: an inverter control unit, which generates, on the basis of a sign...
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WO/2024/053452A1 |
The present invention addresses the problem of suppressing a voltage drop in a bootstrap circuit. A control unit (60) replaces, among a plurality of voltage vectors, a first voltage vector of which the magnitude is a reference magnitude ...
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WO/2024/051553A1 |
A totem-pole PFC circuit, a control method, and a power source apparatus. The control method comprises: when an alternating-current signal provided by a power source input end is within a positive half cycle, a soft-start module (10) tra...
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WO/2024/051218A1 |
Disclosed in embodiments of the present application are a power supply module and a related device. The power supply module comprises a power factor correction unit, an inverter, a transformer circuit, and a rectifier; an input end of th...
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WO/2024/053157A1 |
The present invention makes it possible to suitably estimate the cause of occurrence of an overcurrent in an electric power conversion device. For this purpose, an assessment device (50) is provided with: a detection result storage unit ...
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WO/2024/053453A1 |
The present invention suppresses a voltage drop in a bootstrap circuit. A control unit (60) changes a first voltage vector, a second voltage vector, and a third voltage vector, which are adjacent to a command voltage vector in a first ve...
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WO/2024/051181A1 |
Provided in the present application are a control method and control circuit for a bidirectional resonant direct-current converter. According to the control method, after it is detected that a secondary-side resonant current is commutate...
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WO/2024/053762A1 |
The present disclosure is to improve noise in an always ready (AR) mode of a speech recognition device. The speech recognition device, according to embodiments of the present disclosure, may comprise: a main board; and a power board that...
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WO/2024/051227A1 |
Disclosed in the embodiments of the present application is a control method. The method is used for controlling a BLDCM. A driving circuit of the BLDCM comprises a DC-DC converter and a three-phase inverter. The method comprises: acquiri...
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WO/2024/048983A1 |
An electronic device is disclosed. The present electronic device comprises: a first converter including a first transformer and a second transformer of which a primary winding is connected in parallel with a primary winding of the first ...
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WO/2024/048884A1 |
A power supply device according to an embodiment of the present disclosure includes a switched mode power supply (SMPS) including at least one switching element and configured to convert input power by using the at least one switching el...
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WO/2024/045469A1 |
The present application relates to the field of power electronics technology control, and discloses a temperature control method for a power conversion chip, a related assembly, and a multi-phase power supply apparatus. A real-time avera...
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WO/2024/049788A1 |
Described embodiments include a circuit (500) for filtering electromagnetic interference (EMI) that includes an electrically conductive housing (108) enclosing the circuit, a first power terminal (102) providing a first signal (IN+), and...
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WO/2024/050032A1 |
An optimized charge signal shaping circuit is presented such that components of the charge signal circuit arrangement may be operable with fewer components and/or processing overhead than other approaches, thereby reducing costs, using l...
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WO/2024/049884A1 |
A system includes a control circuit (408) having a voltage input and a control circuit output. The control circuit (408) produces a control voltage at the control circuit output having a magnitude inversely related to a magnitude of an i...
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WO/2024/046302A1 |
The present application relates to the technical field of electric power, and discloses a power supply circuit, an electronic device, and a communication system. The power supply circuit comprises a first power supply end, a second power...
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WO/2024/047293A1 |
The invention relates to a charging assembly (20) for charging an electric traction battery (4) by way of a charging station (19) providing a DC electrical network (2) and a multi-phase AC electrical network (1), the charging assembly (2...
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WO/2024/045798A1 |
The present invention provides a non-isolated LLC resonant converter, comprising a first resonant bridge, a second resonant bridge, a resonant network, a rectifier bridge, a transformer, a load, and an output capacitor. The transformer c...
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WO/2024/050247A1 |
An electronic device may include an inverter. The inverter may convert direct current (DC) power to alternating current (AC) power. The inverter may use a clock signal at a given frequency to output corresponding alternating current sign...
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WO/2024/049730A1 |
A controller circuit (1012) is configured to receive a measurement signal (1040, 1050, 1072) representing a power converter state and receive a control signal (1062) representing a power converter resonant period. Based on the power conv...
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WO/2024/047475A1 |
A DC-to-DC converter, comprises an input circuit (2), an output circuit (3) and a transformer stage (4) provided with a primary winding (5) connected to the input circuit (2) and a secondary winding (6) connected to the output circuit (3...
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WO/2024/046431A1 |
Provided in the present disclosure is a power factor correction converter, comprising a coupling inductor and N phases of boost circuits, wherein the N phases of boost circuits are connected in parallel, and the coupling inductor compris...
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WO/2024/050112A1 |
A switched-capacitor DC-DC converter circuit may convert an input voltage into a desired output voltage level. A comparator may compare a desired voltage level to a divided version of the output voltage. A fully digital control circuit c...
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WO/2024/045365A1 |
Disclosed in the present invention are a control method for a resonant circuit, and a control apparatus and a readable storage medium. The control method comprises: acquiring a pulse width modulation response time (S100); controlling the...
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WO/2024/048904A1 |
A PFC circuit for outputting a PFC voltage by compensating a power factor of an input voltage of an electronic device according to an embodiment of the present disclosure may comprise: a sensing unit for acquiring an input voltage; and a...
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WO/2024/045797A1 |
Provided in the present invention is a non-isolated resonant converter. The non-isolated resonant converter comprises a first resonant bridge, a second resonant bridge, a freewheeling diode unit, a resonant network, an autotransformer, a...
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WO/2024/044944A1 |
A control method and circuit for a switch power source, and a switch power source, which relate to the technical field of switch power sources. In the solution, a resonance period signal of a switch power source is detected in real time;...
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WO/2024/047868A1 |
The purpose of the present invention is to achieve a gate driving device capable of further reducing noise than the prior art. This gate driving device (100) comprises: an instruction generation circuit (20) which generates and outputs...
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WO/2024/047991A1 |
A switch drive device 100 comprises: an upper driver 110H that switches an upper switch of a power circuit 200 on/off by receiving input of an upper control signal HS and outputting a upper drive signal HG; a lower driver 110L that switc...
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WO/2024/045093A1 |
Provided in the present application are a control system, a control method, an electronic device, and a storage medium. The control system comprises: a main controller, which is used for resetting a first counter at the beginning of each...
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WO/2024/050406A1 |
Bias supplies and bias control methods are disclosed. One method comprises applying an asymmetric periodic voltage waveform and providing a corresponding current waveform at an output node relative to a return node; receiving a signal to...
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WO/2024/046614A1 |
The invention relates to a concept for supplying voltage in a converter, in particular a converter for an electric drive system. In the event of failure of the main voltage supply, a proportion of the consumers can be deactivated whilst ...
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WO/2024/045420A1 |
Disclosed in the present invention are an ultrasonic power supply circuit and an ultrasonic welding apparatus. The ultrasonic power supply circuit comprises a rectification filter circuit, a power factor correction circuit, a phase-shift...
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WO/2024/045981A1 |
The present application provides a power device and a photovoltaic system, for use in improving the heat dissipation performance of power devices, thereby improving the use reliability of the power devices. The power device comprises a h...
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WO/2024/044039A1 |
An isolated DC/DC converter includes a primary stage, a transformer circuit, a secondary stage, an active clamp, a first current sense node, and a second current sense node. The primary stage includes a primary switching inverter configu...
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WO/2024/041786A1 |
The invention relates to a modular brake actuator (1), having a brake resistor (3) and at least two sub-modules (2), wherein the brake resistor (3) and the sub-modules (2) are arranged in a series circuit (4). In order to improve the mod...
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WO/2024/044540A1 |
The present disclosure describes a circuit having a current source and a load circuit coupled to the current source. The current source can include a transistor electrically coupled to a voltage supply and can be configured to generate a...
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WO/2024/043762A1 |
A power conversion device according to one embodiment of the present invention comprises: an input unit for receiving voltage generated in a photovoltaic power generation panel; a power conversion unit for converting input voltage that i...
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WO/2024/041106A1 |
A photovoltaic inverter and a control method and apparatus therefor, and a readable storage medium, which relate to the technical field of information. The control method is applied to a multi-channel photovoltaic inverter. Separate powe...
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WO/2024/042085A1 |
The invention relates to a controller circuit, in particular for switched-mode power supplies, comprising a differential amplifier having negative feedback, wherein the negative feedback loop comprises a voltage divider consisting of res...
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WO/2024/040621A1 |
The present application belongs to the technical field of switching power sources, and relates to a method and system for adaptively adjusting the frequency of a switching power source, and an electronic device. The method comprises the ...
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WO/2024/042760A1 |
The present invention concerns a multiphase system comprising a power converter having at least two legs and a filtering device connected to the at least two legs of the power converter, the filtering device being composed of at least tw...
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