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Matches 151 - 200 out of 58,694

Document Document Title
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...  
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...  
WO/2024/048685A1
This power conversion device converts power in order to transfer power in both directions between a first apparatus and a second apparatus and comprises: a transformer unit having a core, a plurality of primary-side windings wound around...  
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...  
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...  
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...  
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;...  
WO/2024/049453A1
An inverter subsystem that includes a direct current (DC) bus, a DC terminal, and a power storage interface that is configured to be connected to power storage. The DC terminal is configured to be: (1) connected to the DC bus via an inte...  
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...  
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 ...  
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...  
WO/2024/048018A1
A power conversion device (1) comprises: a first switch (SW1); a second switch (SW2); a first inductor (L1); a first current-sensing circuit (11) that senses a current flowing through the first inductor (L1); and a first resonance period...  
WO/2024/048009A1
This power conversion device comprises: a first leg in which a first upper arm and a first lower arm are connected in series; a second leg in which a second upper arm and a second lower arm are connected in series; a smoothing capacitor ...  
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...  
WO/2024/040479A1
The present application provides a regulation circuit and system for a battery, and a regulation method. The regulation circuit may comprise: a battery side for connecting to the battery; a bus side for connecting to an external power su...  
WO/2024/040537A1
Provided in the present application are a power converter and a power source. The power converter comprises a DC-AC conversion circuit, a transformer and a first AC-DC conversion circuit, wherein the DC-AC conversion circuit is coupled t...  
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...  
WO/2024/044483A1
Methods and devices to reduce or remove slumps in power supplies are disclosed. The disclosed teachings can serve various applications, such as applications implementing RF switches. Using such teachings, an integrated method can benefit...  
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...  
WO/2024/041779A1
The invention relates to a method (100) for operating a flyback converter (250) for charging a DC link capacitor (210), comprising the steps of: determining (120) a voltage (Ux) characterizing the voltage at the DC link capacitor (210), ...  
WO/2024/041803A1
The invention relates to a method for controlling a dual-active-bridge DC voltage converter (1) having two H-bridges (H1, H2) each formed by four switching elements (S1 to S8). In the method, a bridge voltage (v1. v2) of each H-bridge (H...  
WO/2024/043475A1
According to embodiments, a wireless power transmission device may comprise: a power source; a first power amplifier configured to provide a first radio frequency (RF) signal on the basis of a driving voltage provided from the power sour...  
WO/2024/038772A1
This power supply device comprises: a secondary battery; a power generating element connected in series to the secondary battery; an input terminal connected to output of the power generating element; and a converter including an output ...  
WO/2024/036981A1
Disclosed in the present invention are a discharge control method and a circuit. The method comprises: acquiring a first voltage value of an output electrolytic capacitor in a bidirectional DC-DC power supply circuit module; if the first...  
WO/2024/037058A1
Disclosed in the present application are a flying capacitor three-level DC-DC converter, a photovoltaic system and a control method. The flying capacitor three-level DC-DC converter comprises: an inductor, a first switch tube, a second s...  
WO/2024/036546A1
The present disclosure provides a nitride-based DC/DC power converter and an electronic device charger including the same. The nitride-based DC/DC power converter comprises: a first phase switchedcapacitor circuit and asecond phase switc...  
WO/2024/037462A1
The present application discloses a source driver chip and a display apparatus. Configuration of an off-chip capacitor outside board-level packaging may not be performed in the source driver chip, such that the cost of the chip is reduce...  
WO/2024/036790A1
The present application provides a control device and method for a flyback switch-mode power supply, and a charger. The control device comprises a PWM logic module, and a valley detection module, a valley quantity determining module, and...  
WO/2024/039571A1
A circuit includes first and second output terminals; a transformer including a primary winding and a secondary winding, the secondary winding includes a tap that divides the secondary winding into first and second secondary windings; a ...  
WO/2024/036789A1
Provided in the present application are a valley lockout control method for a flyback switch power supply, and a related apparatus. A control apparatus comprises a valley detection module, a valley number counting module, a peak current ...  
WO/2024/035563A1
An electrodialysis system controller is configured to be coupled to a power supply, and powered devices that include a pump, and an electrodialysis unit. The controller receives inputs including an input indicative of a flow rate through...  
WO/2024/032465A1
A load-current-tracking-based mode switching circuit and method for a voltage converter. The circuit comprises a mode control unit and an adjustment unit, wherein the mode control unit is used for generating a mode control signal, and co...  
WO/2024/032330A1
Disclosed in the present invention are a light-load operation control system and method for a three-phase CLLLC resonant converter. The light-load operation control system comprises: a PI regulator module, a VCO module, a comparison modu...  
WO/2024/033060A1
The invention relates to an electrolysis system (100), comprising at least two electrolysis installations (1A, 1B), a power supply source (3) having a direct voltage output (7), and a central supply line (5), wherein the central supply l...  
WO/2024/031552A1
Disclosed in the embodiments of the present application are a direct-current converter, a communication device and a photovoltaic system. The direct-current converter comprises a full-bridge inverter, a control module, a transformer, a r...  
WO/2024/031927A1
Provided in the present application are a power supply apparatus for a triple quadrupole mass spectrometer. The power supply apparatus comprises a power source input module, a sequence generator and output control modules, wherein the po...  
WO/2024/034191A1
Provided is a switching power supply circuit capable of reducing a noise amount of radiated electromagnetic noise due to a load, fluctuation of a set voltage, or the like. A switching power supply circuit (1000) comprises: a pulse widt...  
WO/2024/032463A1
The present application provides a DC/DC converter, a method for controlling an output voltage thereof, and an energy storage system. A first input end and a second input end of the DC/DC converter are connected to a battery cluster, an ...  
WO/2024/032487A1
Provided in the present invention are a three-phase single-stage isolated bidirectional converter and a control method therefor. The bidirectional converter comprises: three-phase alternating-current voltage ports, direct-current voltage...  
WO/2024/036200A1
Techniques and apparatus for transitioning between various operating modes for a switched-mode power supply (SMPS) in a wireless local area network (WLAN) device powered by a coin cell battery in an effort to maintain performance and fun...  
WO/2024/035743A1
A converter for a rechargeable battery (e.g., lithium battery) is disclosed. In some embodiments, the converter includes a direct current (DC) to DC converter and a microcontroller unit (MCU). The DC to DC converter includes a switching ...  
WO/2024/033473A1
A boost converter circuit is disclosed comprising an input arranged to receive an input voltage from a battery; an output arranged to generate a higher, output voltage for powering a further circuit portion; and a switching arrangement a...  
WO/2024/028022A1
Method for controlling (120) a bidirectional charger (1) comprising a bidirectional AC-DC converter (130) connected via a DC Bus (150) to a bidirectional DC-DC converter (140), said charger being connected both to an electric battery (11...  
WO/2024/027385A1
The embodiments of the present application relate to the technical field of power supplies. Provided are a power supply circuit, a control method therefor, and an electronic device, which can improve the flexibility of power supplies so ...  
WO/2024/027001A1
A DC voltage sensor reduction based modulation method for a DC coupled converter. A DC coupled converter (5) comprises three power modules (1, 2, 3). The modulation method specifically comprises: obtaining a voltage modulation wave vr* a...  
WO/2024/027360A1
Provided in the present application is a non-isolated full-bridge cascade converter circuit. The aims of reducing the number of turns of a transformer and also reducing an effective value of an electric current of a transformer winding a...  
WO/2024/027453A1
The present application provides a direct-current power converter and a direct-current power conversion system. The direct-current power converter comprises a controller, a first power conversion module and a second power conversion modu...  
WO/2024/027075A1
The present application relates to an arc striking circuit of an electric flame cooker and an electric flame cooker. An input end of a switching power supply (100) of the circuit is connected to an external power supply; a first input en...  
WO/2024/029198A1
The purpose of the present invention is to make a power conversion device more compact. In the present invention, at least one of two ends of each primary winding (18uv, 18vw, 18wu) is connected to a switching circuit that comprises thre...  
WO/2024/026666A1
A control circuit for a power converter includes a plurality of power switches, a resonant network coupled with the plurality of power switches, and an output circuit coupled with the resonant network. The control circuit comprises a sam...  

Matches 151 - 200 out of 58,694