A multi-phase inductor includes a core made of a magnetic material; at least two phase windings surrounding the core for inducing a magnetic field in the core, such that a common mode inductance (LCM) is provided for the at least two phase windings; and an adjustment member made of a magnetic material, which adjustment member has at least two legs, which are interconnected with each other at an inner end and which are touching the core at an outer end to provide a differential mode inductance (LDM) for the at least two phase windings; wherein the outer end of each leg of the adjustment member overlays an axial side of the core and/or each leg of the adjustment member has a varying thickness between the inner end and the outer end to adjust the differential mode inductance (LDM).

A magnetic component is configured to be used with a coil wound about a center axis along an axis direction. A first magnetic member is configured such that magnetic flux generated by the coil passes therethrough, extends in the axis direction to have first and second ends, and has a portion overlapping with the coil viewed perpendicular to the axis direction. A second magnetic member is disposed on an opposite side to the coil with respect to the first end of the first magnetic member, in the axis direction. A third magnetic member is disposed on an opposite side to the coil with respect to the second magnetic member, in the axis direction. The third magnetic member is larger in magnetic anisotropy than each of the first magnetic member and the second magnetic member, and has an easy direction of magnetization oriented perpendicular to the axis direction.

In an exemplary embodiment, a coil component includes: an element body part 10 that is formed containing a magnetic material; a coil 40 that is embedded within the element body part 10 and constituted by a wound conductive wire; lead wires 44a, 44b that are extended from the conductive wire and are led out from the coil 40; and terminal parts 70a, 70b that are joined to the lead wires 44a, 44b; wherein tip parts 46a, 46b of the lead wires 44a, 44b, each having a prescribed length from the tip, are embedded in the element body part 10 and also extend along the bottom face 22 of the element body part 10, and the terminal parts 70a, 70b are joined to the tip parts 46a, 46b of the lead wires 44a, 44b on the bottom face 22 of the element body part 10.

The disclosure is directed to wireless power systems that include a ferromagnetic core formed of nanocrystalline material disposed on a ferrite. The wireless power systems can have reduced saturation and/or lossiness.

A coil-type electronic component comprises an element including a magnetic element body and a coil conductor. A portion of the magnetic element body in between layers of the coil conductor adjacent to each other in an axis direction of the coil conductor includes first soft magnetic metal particles. A portion of the magnetic element body on an outer side along the axis includes second soft magnetic metal particles. The first soft magnetic metal particles have a saturation magnetization (Ms) higher than that of the second soft magnetic metal particles.

A coil component according to one aspect is provided with a core containing a plurality of soft magnetic metal particles, a winding wire wound on the core, and a sheathing body provided on the core so as to cover at least part of the winding wire and having a relative magnetic permeability smaller than that of the core.

According to various embodiments, a power converter circuit is disclosed. The power converter circuit includes at least two vertically stacked printed circuit boards (PCBs) comprising a top PCB and a bottom PCB. The power converter circuit further includes at least one multiphase coupled inductor placed between the top PCB and the bottom PCB. The top PCB is coupled to the bottom PCB via at least one conductive winding of the multiphase coupled inductor. The power converter circuit further includes at least one circuit module placed above the top PCB and at least one power source placed below the bottom PCB. The multiphase coupled inductor is configured to deliver current vertically from the bottom PCB to the top PCB.

A hybrid transformer core flGf includes comprises columns (21 23) of grain-oriented steel and yokes . A yoke includes a plurality of second plies including sheets of amorphous steel adhered to each other by an adhesive coating on an outer peripheral area of major faces of the sheets of amorphous steel.

An embodiment provides a coil component including a base body, and a coil conductor provided in the base body. At least partial region of the base body contains (i) a plurality of first metal magnetic particles having a first aspect ratio greater than one and having a first average particle size and (ii) a plurality of second metal magnetic particles having a second aspect ratio greater than the first aspect ratio, having a second average particle size less than the first average particle size. The first and second metal magnetic particles are oriented in a reference direction in the base body.

An inductor component comprising a first magnetic layer, a spiral wiring disposed on the first magnetic layer, and a second magnetic layer covering the spiral wiring. The first magnetic layer and the second magnetic layer contain a magnetic powder and a resin containing the magnetic powder, and the spiral wiring includes a spiral-shaped first conductor layer and a second conductor layer disposed on the first conductor layer and shaped along the first conductor layer.