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Matches 1 - 50 out of 71,182

Document Document Title
WO/2019/091833A1
The invention relates to a resonant power converter (1) converting a direct input voltage into an alternating or direct output voltage, comprising a transistor (2), and a first inductance (L1) connected to an input port (9) for a direct ...  
WO/2019/092000A1
The present invention relates to a DC-to-AC power converter having a main DC input (1) and a main single-phase AC output (4) comprising a single DC-to-DC converter (5) and, firstly,according to a direct path, a bidirectional voltage-type...  
WO/2019/092982A1
The present invention reduces conducted noise of input current in a power supply device having a plurality of channels at low cost. In a power supply circuit 210 possessed by an autonomous running control ECU, switching circuits 22 respe...  
WO/2019/092610A1
A Voltage Regulator Module (VRM) includes a first voltage rail circuit board oriented in a first plane having formed therein a first plurality of conductors and configured to produce a first rail voltage, a second voltage rail circuit bo...  
WO/2019/091934A1
The invention relates to a method for contactlessly striking an arc (L) between an electrode (3) and a workpiece (4), which is to be welded, for carrying out a welding process, wherein a welding current (I) and a welding voltage (U) are ...  
WO/2019/092926A1
Provided is an electronic circuit device having the effect of a parasitic inductance reduced as much as possible and excellent in heat dissipation properties. This electronic circuit device (1) is formed such that: circuit elements (11-1...  
WO/2019/093091A1
The present invention provides: a power supply system, which is capable of presuming the ambient temperature of a power supply device, and which is also capable of displaying the operation status of the power supply device; a method for ...  
WO/2019/091051A1
A two-stage multipath parallel-connected current sharing circuit, a current sharing method, a storage device, and a mobile terminal. It employs a rear-stage circuit in a first two-stage circuit for closed-loop control, and the calculatio...  
WO/2019/091843A1
The invention describes a driver (1) of an array (2) of current-driven LEDs (20), comprising a voltage converter (10) arranged to generate a supply voltage (Vboost) to the LED array (2) and to adjust the supply voltage (Vboost) in respon...  
WO/2019/093026A1
In a high-voltage system having, as a load, a vibration attenuation mechanism using an electric viscous fluid as a working fluid, provided is a highly reliable high-voltage system capable of preventing electric shock and an effect on per...  
WO/2019/092911A1
A power conversion device (100) to be tested performs DC voltage conversion between primary-side DC terminals (1a, 1b) and secondary-side DC terminals (2a, 2b). A first connecting member (PL1) electrically connects to each other a power ...  
WO/2019/084899A1
An apparatus and a method for driving a switch, such as power switch (420). A driver (410) comprises a voltage sensor (414) to sense a drive voltage and an electrical source (412) to provide a drive signal having a drive value. The drive...  
WO/2019/088161A1
A resonant inverter of this power supply device for an electric vehicle includes a first resonance capacitor and a switching element for cutting off a current flowing through a resonance circuit, and generates a first alternating current...  
WO/2019/087699A1
This semiconductor device comprises: a first chip which is on a pulse signal transmission side; a second chip which is on a pulse signal reception side; and a third chip which transfers a pulse signal from the first chip to the second ch...  
WO/2019/085548A1
Provided are a synchronous rectification control circuit and method. The synchronous rectification control circuit comprises an output detection unit (102), an error amplification unit (103), a logic control unit (104) and a driving circ...  
WO/2019/088093A1
Provided is a synchronous rectification forward converter which enables, without requiring complex control, safe and reliable synchronization control of switching elements, and with which higher efficiency can be achieved. The synchronou...  
WO/2019/086915A1
Owing to the use of "booster" capacitor at the output of the frequency converter, additional currents flow through the electric motor, so it is possible to load an electric motor depending on the performance of the frequency converter, a...  
WO/2019/086328A1
The invention relates to supplying power. So to provide a DC voltage based on an AC voltage with a low level of electro-magnetic interference while allowing for a desired power factor, the power supply circuit comprises an input stage un...  
WO/2019/088974A1
A lidar sensor assembly includes a power input and a laser light source. The lidar senor assembly also includes a synchronous buck converter electrically connected to the power input and the laser light source and configured to provide a...  
WO/2019/011905A3
The present invention provides a charging assembly (10) for charging at least one electrically chargeable storage device (12), in particular an electrically chargeable storage device (12) for driving an electrical vehicle, comprising mul...  
WO/2019/086010A1
A high voltage generator is provided. The high voltage generator includes an inverter circuit coupled to receive a direct-current (DC) input voltage, a resonant circuit coupled to the inverter circuit, a transformer coupled to the resona...  
WO/2019/080400A1
A SiC power device-based full-bridge LLC resonant plasma power supply, comprising a main circuit and a control circuit. The main circuit comprises a rectification filtering module, a high-frequency full-bridge inverter module, a high-fre...  
WO/2019/081814A1
According to an example aspect of the present invention, there is provided a Direct Current (DC) to DC converter module (400) having a plurality of DC to DC converters (441 –444) connected in parallel and control circuitry (450) connec...  
WO/2019/080080A1
A bidirectional isolated digital DCDC power supply and a control method, the power supply comprising an input side (102), an output side (104) isolated from the input side (102), a feedback circuit (106) and an isolated pulse width modul...  
WO/2019/082018A1
A forward converter includes an input voltage source divided into multiple divided input voltage sources, each of which provides a portion of a total input voltage of the input voltage source. The forward converter includes an output cir...  
WO/2019/081304A1
A charge pump structure (1) with regulated output voltage comprises an output terminal (OUT) to provide the output voltage (Voutmain) and a charge pump (10) to generate the output voltage (Voutmain) as a function of an input supply volta...  
WO/2019/080355A1
Provided are a magnetron filament control circuit and a magnetron power supply circuit, belonging to the field of household electrical appliances. A magnetron (10) filament control circuit (31) comprises: a switch tube (27), connected in...  
WO/2019/080245A1
A wide-range bidirectional soft switch direct current (DC) conversion circuit and a control method therefor. The circuit comprises at least one first conversion sub-circuit, at least one second conversion sub-circuit and at least one con...  
WO/2019/083924A1
A circuit arrangement for switched boundary mode power conversion, a corresponding signal processor and a method of switched boundary mode power conversion are provided. The circuit arrangement comprises an input for receiving an input v...  
WO/2019/084114A1
A circuit arrangement for switched mode power conversion is disclosed, which circuit arrangement comprises at least an input for receiving an input voltage from a power supply, an output to provide an output voltage to a load, an energy ...  
WO/2019/076874A1
The present invention relates to a DC-DC converter assembly which comprises a DC-DC converter. A converter load is electrically connected between a positive input and a positive output of the DC-DC converter such that a DC input voltage ...  
WO/2019/079005A1
Enhanced reverse boosting detection in a wireless charging scheme is disclosed. In some implementations, a minimum mid-level input voltage regulation (VMID_MIN regulation) loop is provided to regulate an input voltage from a wirelessly c...  
WO/2019/076988A1
The present invention concerns an integrated circuit (IC) for energy harvesting. The IC comprises a voltage converter for converting an input power into an output power and a power point tracker for determining a target voltage for regul...  
WO/2019/076704A1
The present invention provides an AC/DC converter comprises an input for receiving a rectified AC input signal (Vin), an output for providing a controlled output signal (Vout) to a load (7), a switched mode power converter for transformi...  
WO/2019/076365A1
A Power conversion system which always works on square wave driving, soft-switching and resonant conditions supported by the following four techniques and two of their applications are disclosed. ① A power factor correction technique; ...  
WO/2019/077958A1
An electricity storage device 18 has: a switch circuit 21 connected to a direct current voltage bus 17; and a switch circuit 22 connected between the switch circuit 21 and a DC-DC converter 23. A smoothing capacitor C1 is connected betwe...  
WO/2019/075955A1
The present invention relates to a coordination control method for an input-parallel output-series (IPOS) direct current (DC) boost-based photovoltaic collection access system, which is used for a photovoltaic grid-connected system compr...  
WO/2019/078013A1
The present invention sufficiently reduces the switching loss of a power conversion device. A DC-DC converter 100 has: a switching circuit 10 that converts inputted first direct current power into alternating current power; a transformer...  
WO/2019/078127A1
A lighting circuit 200 supplies electric power to a light source 110. A step-down converter 220 receives an output voltage Vout1 from a step-up converter 210, and supplies a driving current IDRV to the light source 110. The step-up conve...  
WO/2019/076280A1
Provided are a switched capacitor conversion circuit, and a charging control system and control method. In the switched capacitor conversion circuit, input ends of N stages of switched capacitor conversion units (100) are successively co...  
WO/2019/078189A1
This electric power converter comprises an electronic component, a cooling device, a container case (4), a protruding pipe (5) and an annular sealing member (6). The sealing member (6) has: a sealing main body part (61) which is interpos...  
WO/2019/076481A1
The present invention relates to a method for controlling a power electronics system (200), in which method the power electronics system (200) comprises at least two power semiconductor switches (243, 244) and is controlled by a first co...  
WO/2019/076423A1
The invention relates to a switching power supply having an alternating voltage input (10) for connecting an input voltage (UN); a rectifier (14) for rectifying the input voltage (UN) applied to the alternating voltage input (10); a tran...  
WO/2019/074595A1
Certain aspects of the present disclosure generally relate to methods and apparatus for powering up a charge pump converter and providing protection and softstart circuitry therefor. One example charge pump converter generally includes a...  
WO/2019/073840A1
A sequence circuit 1 comprises: a detection unit (2) that detects the occurrence of an event on the basis of an input signal; an acceptance unit (4) that accepts the event the occurrence of which has been detected by the detection unit; ...  
WO/2019/075379A1
Electronic circuitry and method of operating the same to shape and reduce the circulating current through the active clamp in a flyback converter and to harvest most of the leakage inductance energy to provide the bias power. Methodologi...  
WO/2019/072561A1
The invention relates to a method for temporally determining switching operations at electrical switches (T1, …, Tn) in an H-bridge switch on a secondary side (2) of a device for inductively transmitting power (E), the device for induc...  
WO/2019/045395A3
An embodiment of the present invention relates to an alternating current (AC) power generator capable of adjusting frequency and voltage. The technical objective to be resolved is to provide a high-efficiency AC power generator capable o...  
WO/2019/074017A1
An insulation-type switching power supply of a flyback system, wherein counter electromotive force that is generated in a primary coil of a transformer when a switching element is off is suppressed. The insulation-type switching power su...  
WO/2019/072709A1
Electrical systems of submarines have different requirements in terms of electrical voltages for operation. In order to ensure the supply of electrical energy, the energy must be regulated between different voltage levels. The aim of the...  

Matches 1 - 50 out of 71,182