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WO/2023/203678A1 |
A switching leg (152) includes a first switching element (Q1) and a second switching element (D1) that are connected in series. A driving circuit (150) includes: a driver (151) for driving the first switching element (Q1); a diode (D2) f...
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WO/2023/202879A1 |
The invention relates to a method for operating a circuit module, comprising: an electronic circuit (10) having a plurality of components (12); at least one temperature sensor (20) for reliably detecting a temperature of at least one com...
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WO/2023/203710A1 |
The objective of the invention is to provide a technique capable of achieving an appropriate turn-on speed. This driver device comprises: a gate-driving-circuit power source the output voltage of which can be changed; a power source that...
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WO/2023/202697A1 |
Embodiments of the present application provide a power supply circuit, apparatus and device of a synchronous rectifier. The power supply circuit comprises: a first triode Q1, a second triode Q2, a first diode D1, a second diode D2, a thi...
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WO/2023/204552A1 |
Provided is an aerosol generating device including: a battery configured to supply power; a heating body configured to heat an aerosol generating article; and an amplifier electrically connected to the battery and the heating body, where...
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WO/2023/201922A1 |
Disclosed in the present invention is a receiving end alternating-current fault ride-through control method for a hybrid cascaded direct-current power transmission system. That is, a rectification-side LCC determines, according to a chan...
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WO/2023/201940A1 |
A power source device and a control method for a power source device. The method comprises: when a first input power source (20) supplies power, detecting whether there is an exception in the first input power source (20); and when there...
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WO/2023/205550A1 |
A bidirectional isolated high voltage DC-DC converter includes a primary three-level circuit, a capacitor-inductor-inductor-capacitor (CLLC) resonant tank network connected to the primary three-level circuit, a secondary three-level circ...
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WO/2023/202072A1 |
The present application relates to the technical field of intelligent household appliances. Disclosed is a method for controlling a compressor. A driving circuit for a compressor comprises: a rectification circuit for rectifying an alter...
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WO/2023/202550A1 |
Disclosed in the embodiments of the present application are a flyback power circuit, a circuit board and a terminal device. The flyback power circuit comprises a rectification sub-circuit, a boost sub-circuit, an auxiliary boost sub-circ...
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WO/2023/200103A1 |
A DC-DC converter according to an embodiment of the present invention comprises: a first stage converter for stepping up or stepping down an input voltage and outputting same; and a second stage converter connected to an output of the fi...
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WO/2023/197661A1 |
Provided in the present application are a controller for an asymmetrical half-bridge conversion circuit, and a power source module and an electronic device. When an asymmetrical half-bridge conversion circuit operates in a working-suspen...
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WO/2023/199262A1 |
An EMI filtering circuit (1) for battery chargers of EV or HEV comprising: a plurality of filters (2a, 2b) for electromagnetic disturbances connected in cascade to each other and provided with at least one coil (2a) comprising one ferrom...
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WO/2023/200054A1 |
The present invention provides an active voltage compensation device which actively compensates for common mode noise generated on each of at least two high current paths. The active voltage compensation device comprises: a sensing unit ...
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WO/2023/197542A1 |
The present invention relates to the technical field of medical instruments, and in particular, to a high-frequency circuit and system for cryogenic biopsy, which can be applied to a breast biopsy system. The circuit comprises a control ...
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WO/2023/287354A9 |
In the parallel operation of power supply units, a high line ripple current may be observed in output when the power supply units (PSUs) are supplied with different inputs. For example, a high line ripple current may be observed when PSU...
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WO/2023/198170A1 |
Embodiments of the present application provide a high-voltage power supply circuit and apparatus for a switching power supply. The high-voltage power supply circuit comprises: a rectifier circuit, a first diode, a second diode, a chip an...
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WO/2023/197547A1 |
The present disclosure relates to the technical field of advanced control of high-performance power conversion systems, and in particular provides a reliable parallel control system and method for an efficient bidirectional power convers...
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WO/2023/199840A1 |
he present invention suppresses oscillation in a sense current detection signal outputted from a power semiconductor element for current monitoring. A voltage control circuit (1c) includes a diode (D1) for charging a gate voltage to be...
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WO/2023/198336A1 |
The invention relates to the process of producing actuation pulses for a pulse-width-modulated actuation process. Instead of centered pulses, pulses are produced which are shifted to the edge of a pulse period. In this manner, the requir...
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WO/2023/199259A1 |
A filtering circuit (1) for battery chargers of electric or hybrid vehicles, which comprises at least one electromagnetic interference filter (2, 8) provided with at least one coil (2) comprising: one ferromagnetic core (3); four winding...
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WO/2023/198342A1 |
Control signals for power switches in a resonant DC/DC converter, for example an LLC converter, are generated by counting a number of clock cycles, for example 1000, of a clock with a high frequency, for example 100 MHz. In this way, a s...
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WO/2023/197660A1 |
Provided in the present application are a controller for an active clamp flyback conversion circuit, a power source module, and an electronic device. After an active clamp flyback conversion circuit operates in a paused operation state, ...
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WO/2023/197802A1 |
Provided are a bootstrap driving circuit, an electric-motor controller, a compressor, and a vehicle. The bootstrap driving circuit (100) comprises a bootstrap unit (110), a negative voltage unit (120), a driving unit (130), and a voltage...
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WO/2023/197594A1 |
The present application discloses an overvoltage protection driving circuit, a motor driving circuit, and a vehicle. The overvoltage protection driving circuit comprises a switch signal generation module, a first switch module, a second ...
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WO/2023/195275A1 |
The present invention suppresses oscillation occurring in a detection signal of a sense electric current outputted from a semiconductor element for electric current monitoring. Collectors of a main IGBT (1a) and a sense IGBT (1b) are c...
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WO/2023/193729A1 |
Disclosed in the present invention are a low-frequency power transmission system outage method and system. The low-frequency power transmission system outage method of the present invention comprises: setting three bridge arms, which are...
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WO/2023/193914A1 |
A charger configured for wide input/ output voltage regulation. The charger includes a low- frequency half-bridge switching device circuit, a high-frequency half-bridge switching device circuit and a controller configured to receive an o...
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WO/2023/193455A1 |
The present application discloses a driving circuit (10), a light-emitting circuit, and a display device. The driving circuit (10) is connected to a load element (20), and the driving circuit (10) comprises: a switch power supply circuit...
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WO/2023/193548A1 |
Disclosed in the present disclosure are a switching transistor turn-off negative voltage determination method and apparatus, and a switching transistor driving control circuit. The turn-off negative voltage determination method comprises...
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WO/2023/196767A1 |
An IC is coupled to a power stage having a first half bridge having first and second transistors and a second half bridge having third and fourth transistors. A controller (110) has a first control output to provide first-fourth control ...
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WO/2023/193764A1 |
The present invention provides a power conversion circuit and a control method. The power conversion circuit comprises: a main loop composed of a first power circuit, a second power circuit, a switching circuit and a main loop switch; an...
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WO/2023/193561A1 |
Disclosed in the present disclosure are a parameter determining method and device for a gate drive resistor of a switching transistor, and a circuit. The method comprises: inputting obtained total turn-on time and turn-on drive voltage i...
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WO/2023/193649A1 |
The present invention belongs to the technical field of wireless power transmission. Disclosed is a dynamic wireless power transmission output power control method based on sliding mode prediction control. The method is applied to an LCC...
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WO/2023/194875A1 |
A method for cancelling the effects of variation of primary voltage supplied to a welding power supply includes receiving a mains voltage at the welding power supply, rectifying the mains voltage to obtain a rectified voltage, applying t...
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WO/2023/195814A1 |
A solenoid controller according to an embodiment of the present invention comprises: a switching unit for outputting a voltage input from a power supply unit to a solenoid; a first clamping element for connecting one end of the solenoid ...
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WO/2023/185189A1 |
mbodiments of the present application provide a power control circuit and a control method therefor, applied to the field of energy. The power control circuit comprises an alternating-current power supply module, a power module, and a co...
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WO/2023/192153A1 |
A bridgeless power factor correction (PFC) control circuit includes a non-linear current sensor (218). The non-linear current sensor (218) includes a non-linear shunt (222, 224), a comparator (228), and a reference voltage circuit (230)....
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WO/2023/186368A1 |
The present invention relates to the control of a DC-DC converter. A controlled variable of the DC-DC converter is formed as a combination of voltage control and current control. The maximum permissible current for the current control ca...
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WO/2023/192092A1 |
A bidirectional converter includes first and second terminals between which a current flows and a current-sensing circuit electrically connected to only one of the first and the second terminals to sense the current. Current sensing is o...
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WO/2023/191203A1 |
According to an embodiment of the present invention, an energy conversion system comprises: a plurality of energy conversion modules which collect external energy and convert same to electrical energy; and DC-DC converters which are conn...
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WO/2023/187274A1 |
The present invention relates to a method for controlling an inverter that controls an electric machine and that is controlled by a first control device in a nominal operating mode and by a second control device in order to apply a safet...
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WO/2023/186784A1 |
The invention is concerned with a method, computer program and computer program product for determining a synchronizing angle for a processing plane comprising a first axis and a second axis, a controller for controlling a voltage source...
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WO/2023/184659A1 |
The present invention provides a wireless charging system control circuit and method for controlling a rectifier mode via a hard wire. The wireless charging system control circuit comprises a rectifier mode control signal generation circ...
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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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