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WO/2023/216488A1 |
The present application provides a power battery voltage regulation circuit and system and a control method thereof. The power battery voltage regulation circuit comprises a power battery, a heating module, a charging and discharging int...
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WO/2023/219031A1 |
The present invention is configured in a manner such that: a high-side pre-driver (21) has a first high-side transistor (HPM1) and a second high-side transistor (HPM2); a low-side pre-driver (22) has a third high-side transistor (LPM1) a...
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WO/2023/220686A1 |
A power module includes a first board comprising a first surface and a second surface opposite to each other and perpendicular to a bottom surface of the power module for mounting the power module to a circuit board, the bottom surface p...
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WO/2023/220679A1 |
Disclosed embodiments may include a power converter package including devices stacked vertically. The devices include a first device (110a) and a second device (110b). The first device (110a) includes a first switched capacitor circuit (...
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WO/2023/218988A1 |
This bootstrap circuit comprises: a first switch configured so as to be applied with a constant voltage at a first end; a capacitor that is connected, at a first end thereof, to a second end of the first switch, and that is configured so...
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WO/2023/213472A1 |
In some examples, a control system for regulating a three-phase power supply comprises, for each one of multiple sources of alternating current (AC), the AC sources configured to supply respective input AC signals each with defined phase...
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WO/2023/213292A1 |
Provided are a combined control voltage converter, a control method, a power supply, and a new energy vehicle. The converter comprises: a first switching tube, a second switching tube, a third switching tube which is in complementary con...
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WO/2023/213261A1 |
A wireless charging voltage stabilizing circuit, a power supply, and a new energy vehicle. The circuit comprises: a chip (1), used for comparing a battery voltage with a reference voltage and outputting a control signal, so as to control...
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WO/2023/213047A1 |
Disclosed in the present invention are a switch power source for isolated output on a single path among multiple paths, and an LLC switch circuit. The switch power source comprises a power factor correction circuit and an LLC switch circ...
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WO/2023/214732A1 |
An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a battery, a temperature sensor configured to sense a temperature of the battery, a plurality of heaters, and a controller. The controlle...
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WO/2023/213613A1 |
A mechanism for controlling a supply voltage for a switched-mode power supply designed for compensating an AC mains power ripple in a PFC output signal produced by a power factor converter. An adjustment circuit is used to synchronize th...
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WO/2023/213513A1 |
The invention describes an energy supply device (10) for an electrolysis unit (20), having - a grid connection (15) for connection to an energy supply grid (40), - a DC voltage output (16) for the connection of an electrolyser (22), and ...
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WO/2023/208860A1 |
An apparatus for power conversion is provided. The apparatus comprises: a plurality of partial power converters (PPCs) (100, 10n), wherein each of the plurality of PPCs (100,..., 10n) comprises three ends (10, 20, 30), the three ends (10...
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WO/2023/210954A1 |
A display device and an electronic device are provided. The display device comprises: a display panel; a display case which supports the display panel and which includes a board mounting unit; a printed circuit board mounted on the board...
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WO/2023/207647A1 |
Disclosed in the present utility model is an electrical device, comprising a box body and a plurality of hanging members. Apparatuses are provided outside the box body; the handing members are respectively fixed to the apparatuses, and a...
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WO/2023/212452A1 |
In one embodiment, an apparatus includes a surge voltage blocker circuit to couple between a distribution grid network and a grid-side power converter of a power conversion system. The surge voltage blocker circuit may include a pluralit...
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WO/2023/207588A1 |
Embodiments of the present application disclose a flyback power supply and a charger. The flyback power supply comprises: a primary control circuit, a secondary control circuit, a switch tube, a rectifier bridge, and a transformer. The r...
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WO/2023/209155A1 |
The invention relates to a control apparatus for controlling two switches of a synchronous buck converter. The control apparatus is configured to receive a measurement signal of an inductor current flowing through an inductor of the sync...
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WO/2023/208554A1 |
In a high-voltage power electronics assembly (1) having at least two N-level half-bridge branches (3) connected in parallel, symmetrical current distribution among the half-bridge branches (3) is to be achieved. This is achieved in that ...
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WO/2023/207789A1 |
Provided in the embodiments of the present application are a power adapter, an over-current protection circuit, and an electronic device. A primary control chip in the power adapter is in isolation connection with a secondary protocol ch...
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WO/2023/212513A1 |
In some examples, an apparatus includes: a ramp generation circuit (1002) having a ramp control input (1003b) and a ramp output (1003e), the ramp control input coupled to a power factor correction (PFC) output terminal; a comparator (630...
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WO/2023/208893A1 |
A method for estimating an accumulated fatigue damage of a switching power converter comprising a plurality of power modules each comprising a first semiconductor device, comprises: (i) determining of the plurality of power modules, a si...
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WO/2023/212301A1 |
A multi-phase power converter with current matching is provided. The apparatus may include a control circuit to control a first phase of a power converter having a plurality of phases, and a phase matching circuit. The phase matching cir...
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WO/2023/207956A1 |
The present application provides a power supply circuit of a switching power supply and a power supply method thereof. The power supply circuit of the switching power supply comprises: a main power tube and an auxiliary power tube which ...
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WO/2023/207442A1 |
The present application provides a power circuit and a power adapter. The power circuit comprises a power input end, a power factor correction module, a DC-DC conversion module, and a power output end which are coupled in sequence. The p...
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WO/2023/206952A1 |
Disclosed in the present invention is a gain-adjustable and high-conversion-ratio DC/DC converter for a wide input voltage range. The gain-adjustable and high-conversion-ratio DC/DC converter is composed of an N-stage high-conversion-rat...
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WO/2023/207482A1 |
Provided is a packaging structure, which may comprise a casing and a power assembly, the power assembly being arranged in the casing. The casing may comprise a top cover and a bottom casing, the top cover and the bottom casing being in b...
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WO/2023/208873A1 |
The present description relates to a switched-mode power supply system comprising at least one pair of dual-bridge converters (DAB1, DAB2), wherein: first switching H-bridges of the converters are connected, in parallel or in series, to ...
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WO/2023/203027A1 |
Device (2) for operating an electromotive axle drive unit (4), having an inverter (6) for supplying high-voltage power to an electric motor (8) of the electromotive axle drive unit (4), wherein the inverter (6) has a first pole (10) and ...
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WO/2023/202761A1 |
An interleaved totem-pole power converter (500) includes a direct current, DC, capacitor (502), a pair of low frequency switching devices (504a and 504b) connected in series with each other and in parallel with the DC capacitor and two p...
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WO/2023/173854A9 |
Disclosed in the embodiments of the present application is an insulated gate bipolar transistor (IGBT) driving device. The IGBT driving device comprises: a control circuit and an output circuit, an output end of the control circuit being...
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WO/2023/201857A1 |
The present invention provides a power module, comprising: a substrate, configured to support multiple IGBT and FWD chips; and multiple IGBT chips and multiple FWD chips, configured to be connected in series, wherein the multiple IGBT ch...
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WO/2023/202689A1 |
Embodiments of the present application provide a multiphase buck conversion circuit, apparatus and device. The circuit comprises: a first switch S1, a second switch S2, a third switch S3, a fourth switch S4, a first driver, a second driv...
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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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