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WO/2023/277483A1 |
A converter according to one embodiment of the present invention comprises: a first converter and a second converter for converting an input voltage into a voltage of a first level; a switching unit which connects the first converter and...
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WO/2023/272512A1 |
The present disclosure relates to a switching control method for a three-level flying-capacitor converter. When the current input voltage of a three-level flying-capacitor converter is lower than a predetermined proportion of the maximum...
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WO/2023/276797A1 |
A switching power supply device (101) has a noise reduction circuit and is mounted on a mobile body (301) that has a frame ground (1) which is electrically insulated from a ground (G). The switching power supply device (101) comprises: a...
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WO/2023/276024A1 |
A power conversion device (100) comprises an LLC converter (10) and a control device (20), wherein the control device (20) drives and controls an inverter circuit (1) in the LLC converter (10) to control the output of the LLC converter (...
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WO/2023/274816A1 |
The invention relates to a transformerless on-board charging device for electric vehicles for charging a drive battery (BAT) with low leakage current, having a first DC/DC stage and a second DC/DC stage, wherein the two DC/DC stages are ...
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WO/2023/277672A1 |
A power conversion device according to one embodiment of the present invention comprises: a plurality of converters that are respectively connected to a plurality of cell strings; and an auxiliary power supply unit for supplying driving ...
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WO/2023/272809A1 |
Disclosed in the present invention is an ACAC alternating-current power supply module for a railway signal power supply panel. The ACAC alternating-current power supply module comprises a PFC module, a DCDC module and an inverter module,...
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WO/2023/277653A1 |
A power conversion device according to one embodiment of the present invention comprises: a plurality of converters comprising at least one upper switch and at least one lower switch, and respectively connected to a plurality of cell str...
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WO/2023/272885A1 |
A power supply circuit, a driver and a controlling method. The power supply circuit includes: a buck circuit, configured to convert input DC (direct current) voltage into output DC voltage, the buck circuit comprising a diode, an inducto...
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WO/2023/274236A1 |
The present application relates to the field of voltage conversion. Disclosed are a voltage conversion circuit and an electronic device, for use in realizing the same output current of each phase of three-level buck circuit of a multi-ph...
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WO/2023/277922A1 |
A controller for a power converter comprising a drive circuit and an adaptive current limit generator. The drive circuit is coupled to receive a request signal representative of a power demand of an output of the power converter. The dri...
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WO/2023/272922A1 |
A power conversion circuit and a motor controller. The power conversion circuit comprises a voltage stabilizing chip IC1, a voltage stabilizing chip IC2, a capacitor C2, a capacitor C3 and a capacitor C4. An input direct current power su...
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WO/2023/273190A1 |
Provided in the present application are a DC/DC conversion unit and an energy conversion system. An input end of a main circuit of the DC/DC conversion unit is provided with a first input port and a second input port, and an output end o...
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WO/2023/272538A1 |
The present application provides a control method for a resonant power supply, and a controller, which relate to the technical field of electronics, and are used to solve the problem that the dynamic response of a resonant power supply i...
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WO/2023/276665A1 |
This switching power supply device comprises a switching element and a control unit. The control unit comprises: a current source circuit; a voltage source circuit; a PWM signal generation circuit; a capacitor having a first end connecte...
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WO/2023/276666A1 |
This current detecting circuit comprises: a current detecting resistor having a first end connected to a ground potential; a PWM signal generating circuit configured to output a PWM signal; a smoothing circuit configured to generate a sm...
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WO/2023/274002A1 |
A hybrid mode charge circuit and a charge method. The hybrid mode charge circuit comprises a hybrid mode charge control circuit, which is used for determining whether an adapter can support continuous voltage regulation, and for controll...
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WO/2023/277323A1 |
Various embodiments of the present disclosure relate to balancing power in a power supply. To this end, a power supply may comprise: a plurality of power supply lines configured to respectively transmit power of a plurality of voltages; ...
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WO/2023/273002A1 |
A switch conversion circuit, comprising: a power source module (21), which supplies power to a switch conversion module (12) and an IC controller (13); the switch conversion module (12), which is of a flyback-type asymmetric half-bridge ...
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WO/2023/275011A1 |
This invention pertains to a three-port isolated active bridge DC-DC power converter comprising a control unit, a first primary-side port, a second primary-side port, two primary-side switching elements, a blocking switch, a secondary-si...
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WO/2023/274702A1 |
The invention relates to a lighting system comprising a parallel resonant converter comprising an input node for receiving a bus voltage an output node a half bridge comprising a first switch coupled between the input node and a switchin...
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WO/2023/273294A1 |
Disclosed in the present invention is a front-end auxiliary circuit of a high-power capacitive load instrument, comprising an input filter circuit, a rectifier circuit, a boost circuit, and an output filter circuit that are successively ...
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WO/2023/272630A1 |
A multiphase series-capacitor DC-DC converter, comprising: a power stage circuit, used to convert an input DC voltage into a stable DC voltage required for a load, the power stage circuit at least comprising two phases of inductors, ther...
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WO/2022/270769A1 |
A power distribution device according to an embodiment of the present invention may comprise: a converter for performing DC-DC conversion between a battery and a power conversion system (PCS); and a central controller for configuring a d...
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WO/2022/269411A1 |
A method involves determining that a power converter is in a no-load or ultra-light load mode of operation. In response to determining that the power converter is in a no-load or ultra-light load mode of operation, a voltage amplitude of...
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WO/2022/272286A1 |
Subject matter disclosed herein may relate to semiconductor devices, and may more particularly relate to power semiconductor packages, for example.
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WO/2022/266792A1 |
A ramp generator (120), an image sensing circuit, and a ramp voltage generation method. The ramp generator (120) comprises a current generating circuit (222), a plurality of circuit branches (224.1, 224.2), control circuits (326.1, 326.2...
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WO/2022/271413A1 |
Methods for modifying converter cells for switched-mode power converters, and corresponding power converter cells. The modified converter cells exhibit reduced inductance requirements, enable use of lower voltage and smaller switches, pr...
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WO/2022/269378A1 |
The present invention discloses a system for controlling an inductor freewheeling voltage comprising a first switch, a second switch, a first diode, an inductor. The first switch is connected such that, in open state, it will connect a f...
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WO/2022/269216A1 |
Pre-conditioning circuitry for pre-conditioning a node of a circuit to support a change in operation of the circuit, wherein the circuit is operative to change a state of the node to effect the change in operation of the circuit, and whe...
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WO/2022/270377A1 |
In this control device for a three-terminal static direct current transformer, for controlling the drive of the three-terminal static direct current transformer, an alternating-current side voltage takes the form of three levels of recta...
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WO/2022/269871A1 |
This control circuit for a power conversion device is a control circuit for a power conversion device that converts a first DC voltage into a prescribed second DC voltage and outputs the second DC voltage as an output voltage. This contr...
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WO/2022/266819A1 |
Provided in the embodiments of the present application are a voltage conversion circuit and a control method therefor, and an electronic device, which relate to the technical field of voltage conversion and can improve the efficiency of ...
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WO/2022/261914A1 |
Disclosed in embodiments of the present application are a method for controlling a resonant power supply, a resonant conversion controller, and a storage medium. The control method comprises: controlling the resonant power supply to ente...
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WO/2022/263113A1 |
The invention relates to a step-down voltage regulator (1) comprising a configurable integrated switch circuit (2), which comprises a configurable analysis and control unit (10), a configurable actuation circuit (12), a configurable comp...
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WO/2022/264466A1 |
The DC-DC converter according to the present disclosure comprises a DC-AC conversion circuit, a transformer, a rectifier circuit, a smoothing circuit, and control circuit. The DC-AC conversion circuit performs switching for the positive/...
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WO/2022/265954A1 |
A device (202) includes a comparator (204) having a first comparator input configured to receive a time signal. The device also includes a subtractor (210) having a subtractor output coupled to a second comparator input, and a first subt...
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WO/2022/265881A1 |
Zero voltage switching in a BUCK converter is disclosed herein. A current reversing path is electrically coupled in parallel with a freewheeling diode. The current reversing path may be configured to reverse energize the inductor during ...
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WO/2022/262702A1 |
Provided are a DC-DC converter and a power supply device, the converter comprising: a power supply input end, which is configured to connect to a direct current (DC) power supply; a power supply output end, which is configured to output ...
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WO/2022/263097A1 |
The invention relates to a voltage regulator (1), in particular an integrated voltage regulator, comprising an actuation circuit (3) and at least one controllable semiconductor switch (T1, T2). The actuation circuit (3) is designed to ge...
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WO/2022/265854A1 |
Disclosed herein is an improved flyback converter that separates the magnetic components of the converter into a transformer and a separate, discrete energy storage inductor. This arrangement can improve the operating efficiency of the c...
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WO/2022/261902A1 |
The present disclosure relates to a method for determining the synchronous rectification on-time of a CLLC converter. The CLLC converter operates in an under-resonant operation mode. The method comprises: determining a transformer turns ...
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WO/2022/258795A1 |
A method of controlling the operation of a multi-cell switching power converter (10) is provided. The power converter (10) comprises at least two converter legs (31, 32, 33) connected in parallel, each converter leg (31, 32, 33) includin...
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WO/2022/258825A1 |
A method of operating a series resonant converter, wherein the series resonant converter is arranged for bidirectional power transfer between a primary side and a secondary side of the series resonant converter, wherein the series resona...
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WO/2022/260884A1 |
A synchronous average harmonic current controller for a bidirectional resonant power converter provides efficient load invariant voltage gain. The controller includes a switched capacitor filter which averages and compensates a current s...
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WO/2022/257534A1 |
The present invention provides an LED driving power supply, a power supply circuit, and a power supply method. The power supply circuit comprises: a rectifier module, which rectifies an alternating current voltage to obtain an input volt...
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WO/2022/258238A1 |
A DC vehicle charging circuit (LW) is equipped with an input (E), a converter circuit (WS) in the form of a boost converter, and an output (A). A first input potential (LS+) of the input (E) is connected to a first output potential (AV+)...
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WO/2022/257385A1 |
Provided in the present application are a dynamic control method and system for a circuit signal, and a power supply module, which method is applied to a first module in a power management system, the power management system comprising a...
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WO/2022/260885A1 |
A synchronous average harmonic current controller for a line connected bidirectional resonant power converter results in a harmonic voltage gain closely related to the commanded bridge duty cycles. A primary bridge has its duty cycle set...
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WO/2022/259189A1 |
A hybrid welding power system includes: an AC/DC converter (101) to generate a rectified voltage from AC input power; a boost circuit (102) to generate a DC link voltage from the rectified voltage; an inverter (104) to generate a transfo...
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