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WO/2022/194400A1 |
Disclosed are current limiters (23) for a power supply (2) of a lighting control bus (6), a power supply (2) for the lighting control bus (6), and a lighting control system. A current limiter (23) of the first aspect avoids high output c...
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WO/2022/196577A1 |
A reactor structure comprising: a reactor that has a coil and a core; and a busbar that electrically connects the coil to external equipment, wherein the reactor comprises a pin for establishing the position of the busbar with respect to...
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WO/2022/196578A1 |
This reactor structure is provided with a reactor and a busbar. The busbar is provided with a first piece connected to a winding end of a coil in an overlapping state, a second piece disposed at a position separate from the first piece i...
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WO/2022/193765A1 |
The present application provides a bidirectional DC/DC converter and a control method therefor and an apparatus thereof, and a storage medium. The control method comprises: acquiring a first voltage value output by a first rectification ...
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WO/2022/194433A1 |
The invention relates to an apparatus (1) for supplying electricity to a low-voltage on-board power supply system (3a, 3b) of a motor vehicle, said system being designed for a low voltage (LV1...LV26), the apparatus having at least two h...
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WO/2022/198118A1 |
A current sense circuit (300) includes a sense amplifier (306), a current mirror circuit (308), a resistor (316), a low-pass filter (322), and a capacitor (318). The sense amplifier (306) is adapted to be coupled to a switching transisto...
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WO/2022/197067A1 |
A power-delivery device comprising a plurality of power supply interfaces is disclosed, the power-delivery device comprising: an AC/DC converter; a plurality of DC/DC converters having a first output power of a first voltage and a first ...
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WO/2022/194037A1 |
Provided is a valley-filling and flicker-free PFC converter, comprising: a PFC unit. The PFC unit is provided with an energy storage capacitor and at least one switch tube. The PFC unit is electrically connected in front of a fluctuation...
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WO/2022/191421A1 |
Disclosed are an electronic device and a control method. The electronic device comprises: a conversion unit for converting AC power into DC power; a PFC unit including a PFC circuit and a PFC control circuit; and a converter unit, wherei...
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WO/2022/189134A1 |
:An approach for providing an auxiliary arrangement for a LED tube lamp that adapts a DC voltage for a monitoring circuit of the LED tube lamp. In particular, a modulation circuit of the auxiliary arrangement modulates a DC supply voltag...
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WO/2022/190925A1 |
A power conversion device according to the present invention comprises a plurality of class-D amplifiers disposed in parallel. An ON/OFF operation of a switching element of a lead leg and a delay leg of each class-D amplifier is carried ...
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WO/2022/190855A1 |
This switching power supply device comprises first to sixth switches, a capacitor, and a control unit configured to control on/off of each of the first to sixth switches. The control unit is configured to provide: a first period for turn...
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WO/2022/192167A1 |
A partial-resonant converter is provided herein and comprises a partial resonant link formed by a magnetizing link inductor connected in parallel with a first capacitor on a primary winding side of a transformer and a second capacitor on...
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WO/2022/188873A1 |
Provided in the embodiments of the present application are a multi-path output converter and a control method therefor. The multi-path output converter comprises: a power conversion circuit and an output circuit, the power conversion cir...
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WO/2022/188361A1 |
Disclosed in the present application is an MBUS host sending circuit, comprising: an optocoupler isolation module, a change-over switch, a voltage conversion circuit, and a boost chip circuit. An input end of the optocoupler isolation mo...
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WO/2022/188048A1 |
Embodiments of the present application discloses a charge/discharge control device. The charge/discharge control device comprises: a first interface for coupling to an external device, a second interface for coupling to a load circuit, a...
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WO/2022/188098A1 |
A power supply topology, a motor drive controller, and a vehicle. The power supply topology comprises a first flyback power supply (201) and a first forward power supply (202). The first flyback power supply (201) is coupled to a first b...
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WO/2022/190856A1 |
This switching power supply device comprises first to fourth switches, a capacitor, and a control unit configured so as to control the on/off of each of the first to fourth switches. The control unit is configured so as to provide a firs...
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WO/2022/190540A1 |
This power conversion device comprises: a zero-cross detection unit for detecting a phase of AC voltage; a means of inducing a substantially sine wave AC current so that the AC current has the same phase as that of AC voltage by performi...
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WO/2022/190988A1 |
The present invention addresses the problem of providing a power conversion device in which size is reduced and safety is improved. This power conversion device (A1) comprises an insulated first DC conversion unit (1) that is capable of ...
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WO/2022/189397A1 |
A chopper DC-to-DC voltage converter for a motor vehicle is disclosed, comprising an induction coil (L1) and a field-effect switching transistor (T1) that are arranged between the ground of the vehicle and an input voltage (Vbat) in orde...
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WO/2022/192786A1 |
A controller (102) includes: a pulse-width modulation (PWM) circuit (104); a control loop (110); and a reference voltage controller (120). The control loop (110) has: a feedback input (111) adapted to be coupled to an output voltage (VOU...
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WO/2022/190790A1 |
A power supply control device (10) comprises a voltage conversion unit (30), a first switch (51), and a voltage step-down unit (31). The voltage version unit (30) converts a voltage between a second conductive path (42) and a third condu...
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WO/2022/190905A1 |
An overvoltage protection circuit (23a) stops supplying power from a power supply device (2) to a motor (4) when a voltage of a DC bus (20a, 20b) has exceeded an overvoltage threshold value (Vth1). A switch (Q1) and a resistor (R1) are c...
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WO/2022/189563A1 |
This disclosure describes systems, methods, and apparatus for driving a plurality of output circuits from a DC input signal using a resonant converter, the resonant converter comprising a switch network, a resonant tank, and a rectifier ...
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WO/2022/190162A1 |
A switching power source device according to one embodiment of the present invention comprises: an input terminal pair; an output terminal pair; a transformer; an inverter circuit constituted by including first to fourth switching elemen...
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WO/2022/189184A1 |
A power converter for compensating voltage variation in a circuit, the circuit comprising: a power stage arranged for receiving a mains input and for converting the mains input into a direct current, DC, output for driving a load; and a ...
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WO/2022/188405A1 |
Embodiments of the present application disclose an asymmetric half-bridge flyback converter and a power supply system, for use in reducing the loss of asymmetric half-bridge flyback converters and improving the efficiency of asymmetric h...
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WO/2022/190097A1 |
A T-type buck-boost power factor correction (PFC) rectifier (TBPR) comprises a power inductor, first and second storage capacitors, and first, second and third bi-directional switches. The first bidirectional switch connects a power supp...
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WO/2022/190044A1 |
The application discloses a compact, multiport converter for interfacing photovoltaic (PV) panels to an energy storage system of a CubeSat. The multiport converter includes a series of connected half-bridge modules, fed by PV panels, tha...
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WO/2022/188853A1 |
Disclosed in the present invention are a half-wave symmetric converter and a control method. The half-wave symmetric converter is composed of a first half-wave rectifying circuit and a second half-wave rectifying circuit. Each of the hal...
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WO/2022/184538A1 |
The invention relates to a seatbelt retractor unit, comprising: - a housing (10); - a belt reel (20) rotatably mounted in said housing (10); - a blocking unit for blocking the belt reel against the housing, the blocking unit having an ac...
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WO/2022/185484A1 |
This power conversion device is provided with a converter circuit (20) and a control unit (15). The converter circuit (20) has a plurality of phase numbers of circuits having reactors (11a-1, 11a-2) and switching elements (11b-1, 11b-2) ...
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WO/2022/185404A1 |
A switching power supply device according to one embodiment of the present invention includes: a pair of input terminals; a pair of output terminals; a transformer; an inverter circuit configured by including first and second switching e...
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WO/2022/187647A1 |
Disclosed are methods, systems, devices, and other implementations, including a voltage converter system that includes a plurality of energy storage elements, a plurality of switching devices, each of which is in electrical communication...
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WO/2022/184132A1 |
Embodiments of the present application provide a voltage conversion circuit and a power supply system. The voltage conversion circuit comprises an inductor, a first switch module, N second switch modules, N third switch modules, and N-1 ...
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WO/2022/184527A1 |
The invention relates to a synchronous flyback converter (100), comprising a galvanic isolation stage (101); a first controllable switch (103) on a primary side of the galvanic isolation stage (101); a second controllable (105) switch on...
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WO/2022/184897A1 |
The power converter has some power switches, two DC ports (201, 202), in which power in each port (201, 202) may flow uni-directionally or bi-directionally, controlled by the duty cycle (d) of the power switches and including at least an...
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WO/2022/183720A1 |
The present invention relates to the field of charging and discharging control for storage batteries, and in particular, to an adaptive bidirectional DCDC charging and discharging control method and device. The present invention provides...
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WO/2022/185374A1 |
This AC-DC conversion device (100) comprises: a charge storage unit (18) having first and second capacitors (5a, 5b) connected in series; a switching unit (14) having a switch unit (16); a control unit (11); a switch drive unit (12); and...
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WO/2022/185024A1 |
Driver circuitry for driving a load, comprising: at least one variable boost stage comprising: first and second flying capacitor nodes for connection to a flying capacitor therebetween; a network of switching paths for selectively connec...
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WO/2022/186918A1 |
Techniques are provided for determining a resistance of radio power electrical conductors coupling a voltage converter to a radio using electrical parameter(s) obtained from the radio.
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WO/2022/186549A1 |
Various embodiments of the present document relate to a power supply device capable of reducing a touch current (or leakage current) in an electronic device. The power supply device may include a primary coil, a first ground connected to...
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WO/2022/184171A1 |
Provided in the present application is an aerosol generating apparatus, comprising: a battery cell, used for supplying power; a receptor, used for generating heat through penetration by changing magnetic fields in order to heat an aeroso...
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WO/2022/178856A1 |
Provided in the embodiments of the present application is a charging circuit, comprising an external power source input end, an energy storage element, a first switch, a second switch, a third switch, a load and a battery circuit, wherei...
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WO/2022/179187A1 |
A voltage-adaptive laser driving circuit and a control method thereof. The circuit comprises: a switching power supply (1), a laser (2), a constant current driving circuit (3), a current setting circuit (4), an MCU control circuit (5), a...
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WO/2022/181606A1 |
This filter circuit comprises a resonance circuit, the resonance circuit including an inductance element and a capacitor. The capacitor comprises an element stack, an exterior body, a first external electrode and a second external electr...
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WO/2022/179532A1 |
The present invention provides an auxiliary winding measurement method and circuit. The measurement method and circuit are based on existing circuit elements, do not need extra cost, and enable auxiliary winding clamping topology to be m...
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WO/2022/175365A1 |
The present invention relates in one aspect to an isolated AC-DC power converter comprising primary side circuitry comprising first and second AC input nodes connectable to an AC voltage source for receipt of an AC input voltage and seco...
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WO/2022/002710A9 |
A boost converter has a main energy storage inductor and a main GaN boost switch with a node between them. A pre-charging switch is connected at the output side of the main boost switch and the inductor, between the node and an output ca...
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