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WO/2023/191552A1 |
According to the present invention, a flyback-type power supply device comprises: an input filter capacitor; a transformer; a first switching element for opening/closing a passage of current flow between the input filter capacitor and a ...
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WO/2023/188972A1 |
This semiconductor device (1) comprises: upper-side control input terminals (T1p, T2p, T3p); lower-side control input terminals (T1n, T2n, T3n); a power source terminal (Tvb); a control logic unit (16); a reference power source circuit (...
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WO/2023/191640A1 |
Described herein is an embedded system comprising: at least one power domain comprising analogue and/or digital circuitry; at least one domain storage unit (166) for providing energy to the power domain; a main storage unit (172) for sto...
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WO/2023/186228A1 |
The invention relates to a renewable energy converter comprising: two DC connections; at least two branches; and a converter controller arrangement. Each of said at least two branches comprises: an phase output; a first set of power modu...
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WO/2023/187863A1 |
Provided is a driving circuit which makes it possible to reduce the amount of surge that occurs during an off operation performed when an overcurrent is detected, while reducing switching loss at a normal operation. The present invention...
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WO/2023/188502A1 |
This power conversion device comprises: a power conversion unit and a control unit. The power conversion unit has a first semiconductor module. The first semiconductor module includes a plurality of power semiconductor elements. Some of ...
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WO/2023/186379A1 |
A control system for controlling parallel connected power converters comprises a data processing system (101-103) configured to form, for each power converter, a reactive power indicator (lreact_n) based on data indicative of reactive po...
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WO/2023/188960A1 |
This backup power supply comprises: a battery module comprising a plurality of battery cells; a power conversion unit that performs a voltage adjustment on the output of the battery module and outputs the voltage-adjusted output to a loa...
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WO/2023/190776A1 |
A power conversion device according to an aspect of the present disclosure comprises a base plate; a substrate on the base plate; a heating element and a temperature sensor provided on the substrate; and a control unit, and is connected ...
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WO/2023/187306A1 |
A power converter for converting an input voltage at an input of the power converter into an output voltage at an output of the power converter may include a first power converter branch comprising a first capacitor, a first switch netwo...
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WO/2023/186380A1 |
A control system for controlling parallel connected power converters comprises a data processing system (101-103) configured to form, for each power converter, a frequency droop value (Δfdroop_n) based on electric power of the power con...
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WO/2023/188823A1 |
A gate drive device 20H comprises: a gate drive unit 21H that outputs power for switching the on/off of a semiconductor switching element 30H; a speed control unit 22H that controls at least one of the turn-on speed and the turn-off spee...
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WO/2023/185421A1 |
Provided in the present invention is a power driving circuit. The power driving circuit comprises: a high/low-side driving module, which is used for performing turning-on and turning-off according to a cooperative control signal, and whe...
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WO/2023/186234A1 |
The invention relates to an electrolysis power converter system. The system comprises an electrolytic cell arrangement associated with an electrolysis voltage; an AC-to-DC conversion arrangement coupled to an AC electrical power grid and...
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WO/2023/186423A1 |
The invention relates to a DC-DC converter arrangement comprising at least one DC-DC converter, wherein the DC-DC converter comprises a current control and a voltage control. According to the invention, for the current control, a first c...
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WO/2023/181661A1 |
This driver device is configured to drive a switching element. The driver device comprises a pull-down circuit that is connected to the control terminal of the switching element. The pull-down circuit is configured to enable a first pull...
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WO/2023/183687A1 |
Apparatus and techniques for adaptively adjusting an input current limit for a boost converter supplying power to a load, such as an amplifier. An example circuit for supplying power generally includes a boost converter having an output ...
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WO/2023/182402A1 |
The present disclosure addresses the problem of reducing failures while restraining an increase in size. According to the present disclosure, a gate drive circuit (1) comprises a signal generation unit (11), a signal blocking unit (12), ...
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WO/2023/183143A1 |
One example includes a power supply system. The system includes a voltage-limit power regulator to generate an output voltage and an instantaneous overvoltage sensor configured to detect an overvoltage condition associated with the outpu...
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WO/2023/180680A1 |
A DC-DC converter for converting an input voltage at an input node, the converter comprising: first and second inductor nodes for connection of an inductor therebetween; first and second flying capacitor nodes for connection of a flying ...
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WO/2023/181660A1 |
Provided is a drive device configured to drive a switching element. The drive device comprises a variation unit configured to vary performance for supplying a current to a control terminal of the switching element during a period from st...
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WO/2023/179830A1 |
The present invention provides a power module arranged to receive a DC electric input signal at first and second connection terminals (A, B), and to output an AC electric output signal at third and fourth connection terminals (C, D). A s...
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WO/2023/181166A1 |
This power conversion device comprises: a power conversion circuit that is connected to a DC power supply via a switch; a smoothing capacitor that is connected between the power supply line and the ground line of the power conversion cir...
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WO/2023/181493A1 |
Provided is a semiconductor device having an inverter circuit consisting of upper and lower arms in which short-circuit current detection accuracy can be improved by increasing the inductance of a circuit for detecting the rate of change...
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WO/2023/180018A1 |
In a galvanically isolated DC/DC converter, in particular having a power rating of more than 20 kW and in particular having to meet high demands in terms of current measurement accuracy and dynamic range, in particular an LLC converter, ...
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WO/2023/179066A1 |
Disclosed in the present invention are a circuit protection method based on a direct-current bus capacitor, and a control system for an in-vehicle controller. A diode is connected between a power filter and a positive electrode or negati...
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WO/2023/183150A1 |
The controller for a system including a power converter may be configured to cause the system to operate in one of a low-power mode and the high-power mode based on power demand from a load at the output of the power converter and when i...
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WO/2023/182401A1 |
An objective of the present disclosure is to reduce defects while suppressing increases in size. In the present disclosure, a gate drive circuit (1) includes a signal generation unit (11), a signal cutoff unit (12), a first interlock par...
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WO/2023/181633A1 |
In the present invention, a first transistor and a second transistor are connected in series to each other, the second transistor being provided on a side having a lower potential than the first transistor. On the basis of a change in th...
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WO/2023/179936A1 |
A phase-shift full-bridge DC/DC converter with secondary bridge rectifier has an active surge protector with a circuit breaker and an additional circuit breaker for assisting in the free-wheeling of the diodes of the bridge rectifier, an...
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WO/2023/175086A1 |
A synchronous buck converter for supplying a LED load comprises: - a high side switch and a low side switch connected in series, - an inductor connected to the midpoint of these switches, and - a control circuitry controlling the alterna...
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WO/2023/175116A1 |
We describe a converter for generating a multi-phase output voltage that utilises a T-type arrangement of switches. The converter is switchable between a two-level mode, where the Upper and Lower switches are controlled to generate the o...
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WO/2023/177237A1 |
A bidirectional power conversion apparatus, according to one embodiment of the present invention, comprises: a first switching unit including a plurality of switches connected to a first input/output terminal; a transformer having one si...
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WO/2023/174992A1 |
The invention relates to a method for controlling a multiphase traction inverter, said method having the following steps. It is determined whether the condition is satisfied whereby an electrical frequency of the output signal of the tra...
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WO/2023/175502A1 |
The appliance (1) for charging batteries of electric vehicles or the like comprises: an input stage (S IN) comprising at least one input circuit (C1, C2, C3) and at least one switch (SW1, SW2, SW3) closable/openable; a power unit (POW); ...
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WO/2023/175371A1 |
An energy harvesting system includes two or more power harvesting subsystems respectively coupled to different conductors of an electrical circuit, such as multiple legs of a multi-phase electrical circuit. Each energy harvesting subsyst...
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WO/2023/176515A1 |
In a gate drive circuit of a power converter having semiconductor devices connected in series, a plurality of pulse transformers tr1, tr2 have first windings tr1a, tr2a connected in series, and secondary windings tr1b, tr2b directly or i...
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WO/2023/147745A9 |
Disclosed in the present application are a ripple voltage processing device and method, and a switching power supply. According to the embodiments of the present application, according to the adjustment by the switching power supply to t...
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WO/2023/175092A1 |
A method (200) for detecting an isolation fault condition of a LED module (802) supplied with electrical power by a non-isolated switched LED converter (801), the switched LED converter (801) having a control circuit (701) for issuing a ...
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WO/2023/173873A1 |
The present application discloses a correction method and a related assembly. According to a solution, loading is performed on an electronic load, and during each loading, a digital multimeter collects the output voltage of a VR inverter...
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WO/2023/177538A1 |
Described embodiments include a circuit with a first amplifier (104) having first and second amplifier inputs and a first amplifier output. The first amplifier input (102) is coupled to a reference voltage terminal. The second amplifier ...
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WO/2023/173706A1 |
Disclosed in the present invention are a power module structure and a driving circuit thereof. The power module structure comprises a package and pins; a plurality of pins are provided and distributed on two sides of the package; a circu...
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WO/2023/171088A1 |
The present invention improves a problem associated with the acquisition of loss data and accurately estimates, from a sense current, main current flowing through a power device. This power device current detection device is characterize...
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WO/2023/172928A1 |
One or more examples relate, generally, to providing timing signals to gate drivers of a converter. An example apparatus for providing timing signals to gate drivers of a converter includes a circuit that includes a timing input, and a p...
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WO/2023/169690A1 |
The disclosure relates to a power converter arrangement (100) for converting an alternating current, AC, voltage (101) into a direct current, DC, voltage (102), the power converter arrangement (100) comprising: an AC-DC conversion stage ...
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WO/2023/169470A1 |
Provided in the embodiments of the present application are a critical-value oscillation control apparatus and device, and a wireless earphone. The present application is characterized in that the control apparatus comprises: a first oper...
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WO/2023/173040A1 |
Systems and methods for controlling switched-mode power supplies. One system includes a converter including a switch and an inductor and processor to control operation of the converter. The processor is configured to determine whether a ...
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WO/2023/168683A1 |
The present invention discloses a leakage inductance utilizing converter, which comprises: an input unit, the input unit being any one among an input capacitor, an input bus end, and an input end after rectification and adding a filter c...
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WO/2023/168514A1 |
A zero-voltage switching ARCP-based converter that is capable of balancing its DC-link capacitor voltages and a method of balancing the voltages of the DC-link capacitors of an ARCP-based converter are disclosed herein. Each phase of the...
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WO/2023/170524A1 |
A method is performed in a welding or cutting system having a power inverter to generate an alternating current (AC) signal responsive to pulse width modulation (PWM) that is applied to the power inverter to control the AC signal. The me...
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