Abstract: The present application is directed to a power conversion device, comprising a switch element, a magnetic core, a first substrate and a second substrate, wherein the magnetic core is assembled to the second substrate, and the switch element is disposed on the upper surface of the first substrate.

Abstract: A power conversion apparatus including a full-bridge circuit, two magnetic cores, and four synchronous rectification circuits is provided. The full-bridge circuit comprises two upper switches, two middle switches, a resonant capacitor, a first high-voltage winding and a second high-voltage winding; each of the synchronous rectification circuits comprises a first lower switch, a second lower switch, a first low-voltage winding and a second low-voltage winding; and further comprising an input terminal and an output terminal, wherein the input terminal comprises an input positive terminal and a GND terminal, and the output terminal comprises an output positive terminal and a GND terminal.

Abstract: The present invention discloses a power supply module and a vertical power delivery system. The power supply module comprises a large-area pin board, a control module, a plurality of power blocks, a plurality of input capacitors, and a plurality of output capacitors. The controller is vertically connected to the pin board by means of a first side surface or a third side surface, so as to realize electrical connection. In the present invention, the controller is placed vertically, and as many power blocks are provided in a limited space in the power supply module, the power density or conversion efficiency of the power supply module is improved.

Abstract: A magnetic element includes a magnetic core, at least one excitation winding and an auxiliary winding. The magnetic core includes at least one first magnetic leg, a second magnetic leg and a third magnetic leg. Each of the at least one magnetic leg is wound with an excitation winding, wherein a vector sum of magnetic flux passing through each of the at least one first magnetic leg is a first magnetic flux, a second magnetic flux is passing through the second magnetic leg, and a third magnetic flux is passing through the third magnetic leg. The auxiliary winding is partially or completely wound on the second magnetic leg, wherein the auxiliary winding is used to clamp the second magnetic flux.

Abstract: The present invention provides a circuit connection mode for a power conversion device, which can meet requirements of different gain ratios of input and output voltages and application scenarios of various output powers. Furthermore, with a simple magnetic core structure, a winding manner is provided, thereby further reducing the volume and loss of the magnetic assembly, and improving the power density of the power conversion device.

Abstract: An apparatus includes a heat-dissipating substrate, a power circuit and a magnetic assembly. The heat-dissipating substrate includes a thermal contact surface. The power circuit includes at least one switch element in contact with the thermal contact surface of the heat-dissipating substrate. The magnetic assembly includes at least one first electrical conductor and a magnetic core module comprising at least one hole, wherein the at least one first electrical conductor passes through the at least one hole, and a terminal of the at least one first electrical conductor is electrically connected to the at least one switch element. The heat-dissipating substrate, the power circuit and the magnetic assembly are arranged in sequence along a same direction. A projection of the power circuit on the thermal contact surface partially overlaps a projection of the magnetic assembly on the thermal contact surface.

Abstract: The present application provides a module structure with high efficiency and good heat dissipation performance, which improves the heat dissipation capability of the VRM module by means of the design of the self-contained heat sink, so as to improve the output power of the VRM module; by means of the device placement in the VRM module, the parasitic parameters on the power transmission path are reduced, and the conversion efficiency of the VRM module is improved; and the dynamic performance of the VRM module is further improved by means of the TLVR technology.

Abstract: A high-power power conversion device includes: a first high-voltage sub-circuit, a second high-voltage sub-circuit, a first low-voltage sub-circuit, a second low-voltage sub-circuit, an input positive terminal, an input negative terminal, an output positive terminal, and an output negative terminal. Under the condition that high-power output is met, the volume and loss of the high-power power conversion device are further reduced, and a steady-state performance and a dynamic performance of the high-power power conversion device are improved. A voltage equalization control scheme is also provided to achieve voltage equalization between the two high-voltage sub-circuits.

Abstract: A power conversion module includes a first bridge arm, a second bridge arm, a transformer and a rectifying circuit. An output positive terminal and an output negative terminal are electrically connected with a low-voltage and high-current load. The first bridge arm and the second bridge arm are electrically connected between an input positive terminal and an input negative terminal. The transformer includes a primary winding, a first secondary winding and a second secondary winding. The two terminals of the primary winding are electrically connected with a midpoint of the first bridge arm and a midpoint of the second bridge arm. An output inductor of the rectifying circuit is electrically connected between the winding midpoint and the output positive terminal. The input voltage is higher than 40V. The output voltage is lower than or equal to 2.2V.

Abstract: The application discloses a circuit topology and a control method for a high-power application of an input voltage to an output voltage with a high step-down ratio; the circuit topology has a low switching loss and a high conversion efficiency in a high-frequency switching occasion. The present application further provides a power conversion device using the circuit topology, which provides a device layout setting of the power conversion device and a winding mode of the transformer. Under the condition that high-power output is met, the volume of the power conversion device is further reduced, and the steady-state performance and dynamic performance of the conversion device are improved.

Abstract: The present application is directed to a power conversion device, which further reduces the thickness and volume of the power conversion device by optimizing the layout structure and winding method of the power conversion device. On the other hand, by optimizing the control/driving mode, the four control signals are used to realize low-loss driving control of the plurality of switches.

Abstract: A power conversion device is provided. By optimizing the winding manner of the high-voltage winding and the low-voltage winding and the layout of corresponding components, the output capability of the power conversion device is improved, and the loss on the energy transmission path is reduced; On the other hand, by means of the assembly structure of the first substrate and the second substrate, a winding is provided on the second substrate, and the magnetic core is assembled to the second substrate from the upper surface and the lower surface of the second substrate, respectively; a hole groove is provided on the first substrate, and the hole groove is used for accommodating an upper magnetic plate of the magnetic core assembly; thus, the volume of the power conversion device is further reduced, and the height difference of the main heating element is reduced, thereby achieving a low thermal resistance.

Abstract: A magnetic assembly includes a magnetic core, four primary windings and four secondary windings. The magnetic core includes four lateral legs. The four primary windings and the corresponding secondary windings are magnetically coupled with each other, and the four primary windings and the corresponding secondary windings are wound on the corresponding lateral legs. The winding directions of the four secondary windings on the corresponding lateral legs are identical. A phase difference between a magnetic flux flowing through a specified lateral leg of the four lateral legs and a magnetic flux flowing through an adjacent lateral leg is any value in the range between 150 degrees and 210 degrees. A phase difference between the magnetic flux flowing through the specified lateral leg and the magnetic flux flowing through another adjacent lateral leg is any value in the range between 60 degrees and 120 degrees.

Abstract: The present application provides a voltage regulating circuit. The voltage regulating circuit includes an input positive terminal, an output positive terminal, a ground terminal, N-phase parallel-connected buck circuits, and an additional branch, where N is a natural number greater than 1, and the N output inductors are coupled or uncoupled. The additional branch includes N?1 additional windings coupled to the N?1 inductors and connected in series sequentially and connected in series with one series inductor.

Abstract: A single-stage power conversion device is provided. The single-stage power conversion device includes an input positive terminal, an input negative end, an output positive terminal, an output negative end, a primary side circuit and a secondary side circuit. The primary side circuit adopts two groups of full-bridge circuit parallel architectures, and the secondary side circuit adopts N synchronous rectification units and N inductors, and N is a natural number with a multiple of 4; and the four inductors included in the secondary side circuit are reversely coupled in the same inductor magnetic core.

Abstract: A magnetic device includes two common magnetic legs, a plurality of coupled magnetic legs, and two windings. The first winding includes a first input part, a first intermediate part and a first output part. The second winding includes a second input part, a second intermediate part and a second output part. The first input part is disposed between the first common magnetic leg and the first coupled magnetic leg. The second input part is disposed between the second common magnetic leg and the first coupled magnetic leg. The first intermediate part and the second intermediate part are disposed between every two adjacent coupled magnetic legs. The first output part is disposed between the first common magnetic leg and the last coupled magnetic leg. The second output part is disposed between the second common magnetic leg and the last coupled magnetic leg.

Abstract: A power module comprises a first circuit board assembly and a magnetic core assembly. The first circuit board assembly comprises a first printed circuit board and at least two switch circuits disposed on the first printed circuit board. The magnetic core assembly is disposed near the first printed circuit board and comprises a magnetic core portion and at least a pair of first electrical conductors. The magnetic core portion comprises at least a core unit, the core unit comprises a pair of holes and a second magnetic overlapping region, and the pair of holes are separated by the second magnetic overlapping region. Each pair of the first electrical conductors is penetrated through the corresponding pair of holes of the magnetic core portion to define two output inductors. Each of the switch circuits is electrically connected with the corresponding output inductor to define a phase circuit of the power module.

Abstract: A magnetic device includes two common magnetic legs, a plurality of coupled magnetic legs, and two windings. The first winding includes a first input part, a first intermediate part and a first output part. The second winding includes a second input part, a second intermediate part and a second output part. The first input part is disposed between the first common magnetic leg and the first coupled magnetic leg. The second input part is disposed between the second common magnetic leg and the first coupled magnetic leg. The first intermediate part and the second intermediate part are disposed between every two adjacent coupled magnetic legs. The first output part is disposed between the first common magnetic leg and the last coupled magnetic leg. The second output part is disposed between the second common magnetic leg and the last coupled magnetic leg.

Abstract: A magnetic device and an electronic device are provided. The magnetic device includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic cover, a second magnetic cover, a first magnetic leg and a second magnetic leg. The first magnetic leg and the second magnetic leg are between the first magnetic cover and the second magnetic cover. A channel is formed between the first magnetic leg and the second magnetic leg. The winding assembly includes two coupled windings. Each coupled winding includes a first sub-winding, a second sub-winding, a third sub-winding. The first sub-winding goes through the channel. The second sub-winding is wound around the first magnetic leg. The third sub-winding is wound around the second magnetic leg.

Abstract: The power module includes a power circuit, a magnetic assembly and a first circuit board. The power circuit includes at least one switch element. The magnetic assembly includes at least one first electrical conductor and a magnetic core module, wherein at least one first electrical conductor passes through the magnetic module, and a terminal of the at least one first electrical conductor is electrically connected to the at least one switch element. The first circuit board includes a first surface and a second surface opposite to the first surface, wherein the power circuit is disposed on the first surface. The power circuit and the magnetic assembly are arranged in sequence along a same direction. The power module further includes a plurality of second electrical conductors, wherein one end of each of the second electrical conductors is disposed on one edge of the second surface of the first circuit board and electrically connected with the power circuit.