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Matches 1 - 50 out of 75,422

Document Document Title
WO/2021/003647A1
Disclosed by the present application is a voltage conversion circuit of an integrated vehicle-mounted charger, comprising an input circuit, a transformer and an output circuit; the input circuit comprises a first sub-input circuit and a ...  
WO/2021/003649A1
Disclosed in embodiments of the present application is a voltage conversion circuit of an integrated vehicle-mounted charger. An input circuit is connected to a first end of a magnetic element, a second end of the magnetic element is con...  
WO/2021/006539A1
An inductor according to an embodiment of the present invention may include: a plurality of first E-type cores, each of which has a base unit and a center leg extending in a first direction from the base unit; a first I-type core arrange...  
WO/2021/005792A1
In the present invention, in a plurality of electric power conversion devices that are connected in parallel, even when short circuit has occurred in one of the electric power conversion devices, another of the plurality of electric powe...  
WO/2021/006275A1
This power supply system comprises a power conversion circuit (20, 50) connected to an electricity storage unit (10, 11). The power supply system also comprises: a control unit (100) that performs on/off control of switches (Q1-Q16, QA1-...  
WO/2021/003650A1
Disclosed is a voltage conversion circuit for an integrated vehicle-mounted charger. The voltage conversion circuit for an integrated vehicle-mounted charger comprises an input circuit, a transformer and an output circuit, wherein the in...  
WO/2020/242028A3
A secure power supply IC according to the present embodiment comprises: a ripple embedding unit for embedding a ripple in at least one of an output voltage and an output current; a random signal generator; and a controller for controllin...  
WO/2021/004246A1
A switching power supply. The output end of an energy supply circuit (01) is connected with the input end of a current detection circuit (02), the current detection circuit (02) being used for detecting the output current of the energy s...  
WO/2021/005819A1
A switching power supply device (101) comprises: switching elements (Q1, Q2) for generating switching current flowing to an inductor (L1); a switching control circuit (1); and an inductor current detecting circuit (2) for detecting curre...  
WO/2021/005820A1
A power supply system (101) has a plurality of power conversion circuits (11, 12), each comprising an inductor (L1) and switching elements (Q1, Q2). A load distribution controller (4) amplifies an inductor current signal that is input to...  
WO/2020/101784A8
A method includes charging a battery (113) through a first charger (218) and a second charger (219) connected in parallel, during a first transition from a constant current charging phase to a constant voltage charging phase, enabling th...  
WO/2021/005894A1
In this DC-DC converter, a plurality of control cycles are successively repeated, each control cycle comprising a first on period in which one switching element is turned on and another switching element is turned off, and a second on pe...  
WO/2021/003652A1
Disclosed is an active clamp forward and flyback combined circuit of an integrated vehicle-mounted charger; a first primary circuit is connected in series to a second primary circuit, and the first primary circuit is connected to a first...  
WO/2021/003651A1
Disclosed are a switch power source circuit for an integrated vehicle-mounted charger, and a converter. The circuit comprises an input circuit, a transformer, and a secondary circuit, wherein the input circuit comprises a first winding i...  
WO/2021/003648A1
Disclosed by the embodiments of the present application are a voltage conversion circuit of an integrated vehicle-mounted charger; an input circuit is connected to a first end of a magnetic element, and the second end of the magnetic ele...  
WO/2021/001369A1
A power converter comprises a switch arrangement for controlling a path of current flow through an energy storage element and power commutation thereof so as to provide an output. The switch arrangement comprises at least first and secon...  
WO/2021/000364A1
An isolated power supply chip comprising a planar transformer. The isolated power supply chip comprises a transmitting end and a receiving end. The planar transformer comprises a primary side coil located at the transmitting end and a se...  
WO/2021/001406A1
A vehicle electrical system (FB) is equipped with direct-voltage charging connection (GA), a storage battery (AK), a first DC-to-DC converter (W1) and an electric drive (I, M). The first DC-to-DC converter (GW) has a first side (1S). The...  
WO/2021/001771A1
During a first mode of operation, a zero current detect (ZCD) signal is asserted in response to detecting a zero current condition at a switch node of a power converter. The power converter enters a light load mode of operation when the ...  
WO/2020/260681A1
The invention relates to a synchronous flyback converter (100) having terminals for supplying an LED load. The synchronous flyback converter (100) comprises a sensing winding (Lw)coupled to a primary winding (Lp) of a transformer T of th...  
WO/2020/259011A1
A power conversion module, a vehicle-mounted charger, and an electric vehicle, which may be used in the field of new-energy vehicles, wherein: the power conversion module comprises a power factor correction (PFC) module and a first direc...  
WO/2020/263290A1
A converter includes a DC bus, a first DC-DC converter, a second DC-DC converter, and a plurality of circulating current suppression circuits. The first DC-DC converter is coupled to the DC bus and includes a first plurality of switches....  
WO/2020/261496A1
This power conversion device comprises: a voltage conversion circuit that converts a predetermined input voltage into a predetermined output voltage; a voltage detection circuit that detects the magnitude of the output voltage; and a con...  
WO/2020/262637A1
A voltage converting device (2) is provided with: a voltage generating unit for generating a direct current voltage; switching elements for converting the direct current voltage into an alternating current voltage; an LLC resonance circu...  
WO/2020/262212A1
This semiconductor device is provided with: a conductive member including first conductors, second conductors, and third conductors which are spaced apart from each other; a first semiconductor element having a first major surface on whi...  
WO/2020/260965A1
An improved system and method for mitigating DC bias in a SMPC transformer are provided. The system and method mitigate drift in the excitation current using active current balancing in the SMPC transformer. This is accomplished by contr...  
WO/2020/259835A1
A vehicle power supply system (100), comprising: - a vehicle battery (111) with a charging voltage, - a DC-to-DC converter (130) comprising two first connection terminals (110) connected to the vehicle battery (111) and two second connec...  
WO/2020/259801A1
The present invention relates to a DC-to-DC power converter (100), comprising at least two energy buffer units (102, 104), wherein each energy buffer unit (102, 104) is configured to receive a first-type voltage component and to respecti...  
WO/2020/263470A1
Communicating information stored at a secondary controller to a primary controller in a secondary-controlled flyback converter is described. In one embodiment, a method includes storing, by a secondary-side controller of a power converte...  
WO/2020/264050A1
A secondary-side control loop for a flyback converter is provided that generates a secondary-side control signal during normal operation using a compensator. In periods of significant load changes, the compensator is bypassed so that the...  
WO/2020/264189A1
A flyback converter is disclosed that times a detection time for each cycle of a power switch transistor. The detection time ends when a sense resistor voltage exceeds a threshold voltage. Over a half cycle of an AC input voltage to the ...  
WO/2020/257962A1
A system (100) includes a switching converter (102) with an output inductor (114). The switching converter (102) also includes a switch set (112) with a switch node (430) coupled to the output inductor. The switching converter (102) also...  
WO/2020/263530A1
Communicating fault indications between primary and secondary controller in a secondary-controlled flyback converter is described. In one embodiment, an apparatus includes a primary-side field effect transistor (FET) coupled to a flyback...  
WO/2020/255720A1
An isolated DC-DC converter (100) is provided with a transformer (10), a full bridge switching circuit (20), a protection circuit (21), a control unit (40), an inductor (13), and an output circuit (30). The isolated DC-DC converter (100)...  
WO/2020/254003A1
An isolated converter has a transformer with a primary winding (in a primary side circuit) and a secondary winding magnetically coupled to the primary winding. A first Y-capacitor is electrically connected between the primary side circui...  
WO/2020/255330A1
A DC/DC converter (1) comprises: a power conversion unit (3) that converts input voltage to a required voltage; a first control unit (4) that drives the power conversion unit (3); a power supply device (5) that supplies power to the firs...  
WO/2020/256555A1
The present invention relates to an electrical power energy converter unit for converting Direct Current to Direct Current, DC-DC, with improved efficiency and cold-start capability. In an aspect there is provided a Direct Current to Dir...  
WO/2020/255702A1
Provided is an integrated circuit that switches a transistor, which controls an inductor current, on the basis of an output voltage, generated from an AC voltage, and the inductor current, which flows to an inductor to which is applied a...  
WO/2020/256690A1
A multilevel converter system is provided. The system includes a converter and a converter controller interfaced with the converter. The converter controller includes a voltage loop, a current loop, and a voltage compensation loop. The v...  
WO/2020/256803A1
Various embodiments provide a direct current (DC)-DC converter circuit. The DC-DC converter circuit includes a control circuit to switch the DC-DC converter circuit between a charge state, a discharge state, and a tri-state mode. As part...  
WO/2020/254222A1
The invention relates to a circuit apparatus (10) for controlling the current flow of the secondary side (20) of a direct voltage converter, comprising: a controllable switch element (1) having a first connection (1a), a second connectio...  
WO/2020/253826A1
A control system and method for an active clamp flyback converter. The system comprises: a drive module (40) for performing on-off control on a main switch tube SL and a clamp switch tube SL; a main switch tube voltage sampling circuit (...  
WO/2020/255713A1
A power supply device of the present invention comprises: a first circuit; a second circuit; an adjustment means for adjusting electric power supplied to a load; a detection means for detecting a parameter relating to the electric power;...  
WO/2020/255624A1
A power conditioner comprising: two storage batteries; an HVDC bus; DC–DC converters (331, 332) that operate in a discharge mode or a charge mode; a command unit (394) that outputs command value information; and DC–DC converter contr...  
WO/2020/254421A1
The invention relates to a circuit with electrical potential isolation and in particular a converter circuit (1), for example a synchronous flyback converter circuit. The circuit comprises a transformer with at least one primary winding ...  
WO/2020/255662A1
Provided is a switched-mode power supply device in which noise is reduced without using a large EMI filter or the like. The switched-mode power supply device 9 is provided with a switching transformer 15 for switching a lower-voltage pow...  
WO/2020/256858A1
A power supply circuit includes a first direct-current to direct-current (DC-DC) converter circuit connected to a first load via a first bidirectional switch; a second DC-DC converter circuit connected to a second load and connected, via...  
WO/2020/253460A1
Disclosed in the present invention are a parallel resonance convertor (10) and a power supply (100). The parallel resonance convertor (10) comprises at least two resonant converters (20, 22) connected in parallel, wherein the at least tw...  
WO/2020/256866A1
The application generally relates to a connection terminal pattern and layout for a three-level buck regulator. One example electronic module generally includes a substrate, an integrated circuit (IC) package (502) disposed on the substr...  
WO/2020/255972A1
This storage battery module comprises: a storage battery (BAT); a power conversion circuit (2) which includes a switching element (Q1) and raises a DC voltage inputted from the storage battery (BAT) to a first terminal (teih, teig); a sm...  

Matches 1 - 50 out of 75,422