The invention related to an integrated magnetic component for a switched mode power converter. The integrated magnetic component comprises a single magnetic core structure formed by magnetic core elements, wherein at least one of the magnetic core elements is a leg-core-element with a flange and one or more legs are arranged on one side of the flange. The magnetic core elements of the single magnetic core structure are linearly stacked. The integrated magnetic component further comprises an isolating transformer with a higher current transformer winding arranged on at least one leg of the magnetic core elements, a lower current transformer winding arranged on at least one leg of the magnetic core elements and a first filter inductor comprising a first filter winding, arranged on at least one leg of the magnetic core elements. Herein the higher current transformer winding and the filter winding comprise at least an edgewise wound winding part. The invention further relates to a switched mode power converter.

A transformer includes a transformer core, and a primary winding and a secondary winding each wound about the transformer core. The primary winding includes a wire wound in multiple primary winding layers, and each primary winding layer includes multiple primary turns arranged in a spiral. The secondary winding includes one or more substantially flat conductors defining multiple secondary winding layers. Each secondary winding layer includes one secondary turn, every two adjacent secondary turns have a single different one of the primary winding layers positioned between the two adjacent secondary turns to interleave the secondary winding and the primary winding, and each secondary turn has a different diameter than an adjacent one of the secondary turns.

An aspect of the present disclosure provides a bus bar as a winding in a core of a transformer includes multiple sub-bars arranged horizontally and connected in parallel so as to minimize an AC current in the transformer, and the sub-bars have different widths and thus resistances or impedances with respect to a current flowing through the sub-bars are the same. Another aspect of the present disclosure provides a method of designing a bus bar for resistance or impedance matching between multiple sub-bars included in the bus bar to share a current to minimize an AC current in the transformer. Another aspect of the present disclosure provides a transformer, for a DC-DC converter for use in a vehicle, which is manufactured by the method of designing a bus bar.

A winding for a power transformer comprises a wire at least partially covered with a bonding material. The wire comprises a first winding formed into a first winding layer comprising a first plurality of turns positioned adjacently to each other, wherein the first plurality of turns are bonded together. The wire also comprises a second winding formed into a second winding layer from a first continuous wire portion extending from the first winding layer, the second winding layer comprising a second plurality of turns positioned adjacently together.

Provided is an electronic component including a secondary side coil including a plurality of coil parts, in which each of the coil parts includes: a plate-like base part; a leg part formed on the base part; and a pin part formed at a tip of the leg part.

To suppress a temperature increase of a transformer. A transformer includes a core, a primary winding, and a secondary winding. The core includes a primary core and a secondary core disposed on a side of the primary core. The primary winding includes a first primary winding wound around the primary core and the second primary winding wound around the secondary core and electrically connected in series to the first primary winding. The first primary winding is disposed such that a direction of a magnetic flux on an inner peripheral side of the first primary winding induced by the first primary winding is opposite to a direction of the magnetic flux on the inner peripheral side of the second primary winding induced by the second primary winding. The secondary winding is wound such that a winding axial line of the first primary winding and a winding axial line of the second primary winding are formed on an inner peripheral side of the secondary winding.

The coupling coil structure, which is provided with a plurality of primary coils formed by winding a conductor wire and a plurality of secondary coils provided so as to generate mutual inductance with the plurality of primary coils and in which, among the plurality of primary coils, one primary coil is tapped at an intermediate portion thereof by another primary coil at right angles, is characterized in that, among the plurality of secondary coils, a secondary coil in mutual inductance with the one primary coil is constituted into a coupling coil by one conductor having a width at least the size in the axial direction of the primary coil.

A high-voltage transformer is disclosed. The high-voltage transformer includes a transformer core; at least one primary winding wound once or less than once around the transformer core; a secondary winding wound around the transformer core a plurality of times; an input electrically coupled with the primary windings; and an output electrically coupled with the secondary windings that provides a voltage greater than 1,1200 volts. In some embodiments, the high-voltage transformer has a stray inductance of less than 30 nH as measured on the primary side and the transformer has a stray capacitance of less than 100 pF as measured on the secondary side.

A shielding layer that is made of a conductive and magnetic material is used to encapsulate the bare metal wire of a coil of an inductor so as to shield the coil from external magnetic field and make the resistance and the power loss of the inductor lower.

A coupled inductor has two pillars that are aligned in a vertical direction, wherein a first coil and a second coil are respectively wound around one of the two pillars, respectively, wherein the bottom surface of winding turns of the first coil and the bottom surface of winding turns of the second coil are separated by a gap, wherein a magnetic material is disposed in the gap and a straight line that is enclosed by each of the first coil and the second coil passes through the two pillars.