Abstract: The application discloses a POL integrated power supply module and a production process thereof. The POL integrated power supply module comprises an inductor assembly, a substrate, a switch unit and an input capacitor. The substrate comprises a first surface and a second surface which are opposite, the inductor assembly is arranged on the second surface of the substrate, and the switch unit and the input capacitor are arranged on the first surface of the substrate. According to the POL integrated power supply module, a structural layout is provided, and the ultrathin thickness of the POL integrated power supply module is achieved. According to the POL integrated power supply module with the structure, a corresponding production process is provided, the production process is simplified, and the reliability of the POL integrated power supply module is improved.

Abstract: The invention provides a power supply module with high heat dissipation capability and high reliability. Aiming at the problem that when a power supply module and a system board are fixedly welded, internal welding spots are remelted due to high temperature, on one hand, the structure of the power supply module is further optimized, a device layer is formed in a device in the power supply module through plastic packaging or embedded, an insulating dielectric layer is arranged between the two adjacent device layers, and the device layer and the insulating medium are laminated into an assembly body; the metal interconnection layer is arranged on the surface of the assembly body, and electrical connection between devices in the power supply module is achieved; and no metal welding spot exists in the power supply module, and the assembly reliability of the power supply module and the system is improved.

Abstract: The present disclosure provides a multi-phase coupled inductor, a multi-phase coupled inductor array and a two-phase inverse coupled inductor. The multi-phase coupled inductor includes a magnetic core having longitudinal middle columns and windings respectively wound around the longitudinal middle columns. A magnetic flux direction of a DC magnetic flux generated by a current flowing through any one of the windings is opposite to a magnetic flux direction of a DC magnetic flux generated by a current flowing through other one of the windings, on the longitudinal middle column corresponding to the other one of the windings.

Abstract: The application discloses an inductance assembly and an integrated power converter module. An inductance assembly is arranged on a bottom substrate, after integral plastic packaging, a signal electrical connecting piece is formed on the plastic packaging material through electroplating, and the signal electrical connector extends from the top surface of the inductance assembly to the side surface of the plastic packaging material and then extends to the bottom surface of the bottom substrate. The auxiliary winding is added to the second aspect to be coupled with the main winding to form a TLVR inductor for improving the dynamic performance of the VRM module. The VIN electrical connector is arranged between the main winding and the signal electrical connector, the middle portion of the VIN electrical connector is widened, and the transmission signal on the hopping signal interference signal electrical connector of the main winding is effectively avoided.

Abstract: An integrated assembly and an integrated power converter module are disclosed. The integrated assembly includes an inductor assembly and a first capacitor assembly. The top surface of the integrated assembly is provided with an upper surface pin, and the bottom surface is provided with a lower surface pin; the inductor assembly includes a magnetic core and a main winding penetrating through the magnetic core from the top surface to the bottom surface thereof, the main winding is electrically connected with the upper and the lower surface pins, the surface of the magnetic core is provided with a capacitor setting area where the first capacitor assembly is arranged; the bottom surface of the electrode of the first capacitor assembly and the pin of the lower surface of the inductor assembly are coplanar, and the top surface of the first capacitor assembly and the surface of the magnetic core are electrically isolated.

Abstract: An ultra-thin voltage regulator module with high current density and an inductor assembly are described. The ultra-thin voltage regulator module comprising at least one inductor assembly, at least one top assembly and a power electrical connection assembly, wherein the inductor assembly is a 2N-phase ultra-thin inductor; the inductor assembly comprises a magnetic core and an inductor winding; the shape of the inductor winding is specifically I-shaped; the power electrical connection assembly comprises a first power electrical connector and a second power electrical connector; the top assembly comprises a top plate and an IPM unit, and the SW end of the IPM unit is perpendicular to the position of the inductor winding.

Abstract: The present disclosure provides a coupled inductor and a power module. The coupled inductor includes a magnetic core, a first winding, a second winding, and an adjustment structure located in the magnetic core. At least part of the first winding and at least part of the second winding are in the magnetic core, a stacked portion of the first winding and a stacked portion of the second winding are stacked in a height direction, a non-stacked portion of the first winding and the second winding are not stacked in the height direction, and a non-stacked portion of the second winding and the first winding are not stacked in the height direction. The adjustment structure which is adjoining the non-stacked portion of the first winding and the non-stacked portion of the second winding and has a lower magnetic permeability than that of the magnetic core may adjusts leakage inductance.

Abstract: The VRM module comprises an integrated inductor, a top assembly, a bottom assembly, a vertical plate, a first power electric connecting piece and a second power electric connecting piece, wherein the integrated inductor comprises a magnetic core, a first winding and a second winding; the top assembly comprises a semiconductor switching device; and an electric loop formed by the first power electric connecting piece, the second power electric connecting piece and the semiconductor switching device is arranged around at least a part of the magnetic core.

Abstract: An integrated coupled inductor based on a composite material and a multi-phase VRM applying the integrated coupled inductor are provided. The integrated coupled inductor comprises an inductor assembly and a connector, wherein the inductor assembly comprises a magnetically permeable core and at least two windings; the magnetically permeable core comprises a first magnetically permeable core and a second magnetically permeable core; the first magnetically permeable core is made of a first magnetic material; the second magnetically permeable core is made of a second magnetic material; and the permeability of the second magnetic material is lower than that of the first magnetic material.

Abstract: An inductor structure in a TLVR technology and a multi-phase voltage regulator module using the same are provided. The inductor structure includes a magnetically permeable core and at least one coupled winding combination, wherein the coupled winding combination includes at least one main winding and at least one auxiliary winding. At least one portion of each main winding is coupled with at least one portion of at least one auxiliary winding. The inductor structure has opposing first surface and second surface. Two ends of the main winding are respectively exposed out of the magnetically permeable core on the first surface and the second surface. And two ends of the auxiliary winding are respectively exposed out of the magnetically permeable core on the first surface and the second surface.

Abstract: A multi-winding inductor includes a magnetic core including three magnetic columns and two windings. Each winding includes a first, a second and a third portions. The first magnetic column is arranged between the first portion of the first winding and the first portion of the second winding; the second magnetic column is arranged on one side of the first portion of the first winding and the third portion of the second winding; and the third magnetic column is arranged between the third portion of the first winding and the third portion of the second winding. The first and the second portions of two windings respectively form pins on opposite sides of the magnetic core.

Abstract: A substrate includes a first insulation layer, a passive component, a first through-hole structure, a second insulation layer and a second electrode. The first insulation layer has a top surface and a bottom surface. The passive component is embedded in the first insulation layer. The passive component includes a first conducting terminal. The first through-hole structure is formed in the first insulation layer. The first through-hole structure includes a conductive part and an insulation part disposed within the conductive part. The conductive part is in contact with the first conducting terminal and formed as a first electrode. The second insulation layer is disposed on portion of the conductive part that is close to the bottom surface of the first insulation layer. At least part of the second electrode is disposed on the second insulation layer. The second electrode is in contact with the first insulation layer.

Abstract: A substrate includes a first insulation layer, a passive component, a first through-hole structure, a second insulation layer and a second electrode. The first insulation layer has a top surface and a bottom surface. The passive component is embedded in the first insulation layer. The passive component includes a first conducting terminal. The first through-hole structure is formed in the first insulation layer. The first through-hole structure includes a conductive part and an insulation part disposed within the conductive part. The conductive part is in contact with the first conducting terminal and formed as a first electrode. The second insulation layer is disposed on portion of the conductive part that is close to the bottom surface of the first insulation layer. At least part of the second electrode is disposed on the second insulation layer. The second electrode is in contact with the first insulation layer.

Abstract: Embodiments of the present application provide a transformer and a bidirectional isolated resonant converter, where the transformer includes a first side winding, a second side winding, and a magnetic core. The magnetic core includes a winding column, at least one side column and two connecting portions. The first side winding includes: a first side first winding and a first side second winding that are electrically connected, and the second side winding is located between the first side first winding and the first side second winding. An air gap is provided on the winding column, and the air gap is provided between the second side winding and a first end surface of the winding column, and a first side equivalent leakage inductance and a second side equivalent leakage inductance are obtained through the air gap.

Abstract: Provided are a coupled inductor and a power module including the coupled inductor. A coupled inductor includes: a magnetic core, a first winding and a second winding, where a first passage is formed in the magnetic core; a part of the first winding and a part of the second winding pass through the first passage, and the first winding crosses with the second winding outside the first passage. Another coupled inductor includes: a magnetic core, a first winding and a second winding, where the magnetic core has a first passage and a second passage in parallel, both run through the magnetic core from one end face thereof to another opposite end face, where the first winding and the second winding both penetrate the first passage and the second passage, such that differently-named terminals of the windings are located on the same end face of the magnetic core.

Abstract: A multi-winding inductor includes a magnetic core including three magnetic columns and two windings. Each winding includes a first, a second and a third portions. The first magnetic column is arranged between the first portion of the first winding and the first portion of the second winding; the second magnetic column is arranged on one side of the first portion of the first winding and the third portion of the second winding; and the third magnetic column is arranged between the third portion of the first winding and the third portion of the second winding. The first and the second portions of two windings respectively form pins on opposite sides of the magnetic core.

Abstract: An integrally-formed inductor includes a magnetic core and a first winding. The magnetic core includes a first surface and a second surface disposed opposite to each other, and a side surface disposed between the first surface and the second surface. The first winding includes a first longitudinal portion, a second longitudinal portion, and a first connecting portion provided between the first longitudinal portion and the second longitudinal portion. Wherein the first longitudinal portion extends to the first surface, forming a first pin. A projection of the first longitudinal portion on the first surface is within a range of the magnetic core. The second longitudinal portion extends to a plane where the second surface is positioned, and forms a second pin. The first winding and the magnetic core are integrally pressed by a mold to form the inductor.

Abstract: A multi-winding inductor includes a magnetic core including four magnetic columns and a winding assembly including two windings. Each winding includes three portions. The first and third portions of the first winding are respectively between the first and the second magnetic columns, and the third and the fourth magnetic columns; and the first and third portions of the second winding are respectively between the fourth and the first magnetic columns, and the second and the third magnetic columns. Both the first portions of two windings extend to a surface of the magnetic core and respectively form a first and a third pins. The winding is a flat wire with the thickness less than the width, and the width direction is parallel to an extension direction of the first magnetic column.

Abstract: Embodiments of the present application provide a transformer and a bidirectional isolated resonant converter, where the transformer includes a first side winding, a second side winding, and a magnetic core. The magnetic core includes a winding column, at least one side column and two connecting portions. The first side winding includes: a first side first winding and a first side second winding that are electrically connected, and the second side winding is located between the first side first winding and the first side second winding. An air gap is provided on the winding column, and the air gap is provided between the second side winding and a first end surface of the winding column, and a first side equivalent leakage inductance and a second side equivalent leakage inductance are obtained through the air gap.

Abstract: A power module includes a substrate, at least one power unit, a first carrier plate and at least one input capacitor. The power unit is disposed on the substrate and includes at least one half-bridge circuit including a first power switch and a second power switch connected in series. A second terminal of the first power switch and a first terminal of the second power switch are connected to a node. The first carrier plate and the input capacitor are arranged between the power unit and the substrate. A first electrode of the substrate is connected with the node through the first carrier plate. A top surface of a first terminal of the input capacitor is connected with a first terminal of the first power switch, and a top surface of a second terminal of the input capacitor is connected with a second terminal of the second power switch.