Abstract:
Magnetic component assemblies including moldable magnetic materials including surface mount termination features, as well as manufacturing methods therefor, are disclosed that are advantageously utilized in providing surface mount magnetic components such as inductors and transformers.
Abstract:
Magnetic component assemblies for circuit boards include magnetic cores formed with a gap and preformed conductive windings sliding assembled to the cores via the gaps. The gaps in the cores are filled with a magnetic material to enhance the magnetic performance. The magnetic component assemblies may define power inductors.
Abstract:
Magnetic components including pre-formed clips (230) are described that are more amenable to production on a miniaturized scale. Discrete core pieces (210, 250) can be assembled with pre-formed coils and physically gapped from one another with more efficient manufacturing techniques.
Abstract:
Magnetic component assemblies including coil coupling arrangements, that are advantageously utilized in providing surface mount magnetic components such as inductors and transformers.
Abstract:
Circuit board transformer components (100, 200, 300, 400) include a bobbin (102, 202, 302, 402) having at least one ground pin (152, 252, 352, 452) with a board pin portion (160, 260, 360, 460) and a component ground section (162, 262, 362, 462) extending substantially perpendicular to the board pin portion. The component ground section is secured to a magnetic piece or the bobbin to address electromagnetic interference in a power supply application. The components are manufacturable with a reduce number of steps and greater uniformity with improved performance characteristics.
Abstract:
A low profile magnetic component 700, 720 includes at least one coil layer 710 defining a generally planar coil winding having a center area and a number of turns extending about the center area. A body encloses the coil layer, and is fabricated from one of a dielectric material and a magnetic material. A magnetic core material 650, 660, 670 occupies at least the center area of the coil layer.
Abstract:
A surface mount magnetic component assembly (100) including a magnetic core (110) having a side with a stepped external surface, a coil within the magnetic core, and terminal clips (106) for making electrical connections to the ends (150) of the coil. The ends of the coil extend through the stepped external surface, the terminal clips attach to the stepped external surface, and the external surface is mounted to a circuit board (180) to complete electrical connection with improved reliability. Smaller component sizes with improved manuf acturability and consistency result.
Abstract:
A magnetic component and a method for manufacturing a low profile, magnetic component ( 100 ). The method comprises the steps of providing at least one sheet (120), coupling at least a portion of at least one winding (140) to the at least one sheet, and laminating the at least one sheet with at least a portion of the at least one winding. The magnetic component comprises at least one sheet (120) and at least a portion of at least one winding (140) coupled to the at least one sheet, wherein the at least one sheet is laminated to at least a portion of the at least one winding. The winding may comprise a clip, a preformed coil, a stamped conductive foil, or an etched trace using chemical or laser etching. The sheet may comprise any material capable of being laminated and/or rolled, including, but not limited to, flexible magnetic powder sheets.
Abstract:
An electromagnetic component assembly (150) includes a first magnetic core piece (154), a second magnetic core piece (156), and an inverted U-shaped conductive winding (160) including a base section (190) and first and second legs (192,194) extending from base section (190). One of the first and second magnetic core pieces (154,156) is configured to receive the base section (190). The first and second magnetic core pieces (154,156) are gapped from one another to define a first gap (158), and one of the first and second magnetic core pieces (154,156) includes a second gap (200,202) that, in combination with the first gap (158), allows the component to be operated at more than one stable open circuit inductance (OCL) corresponding to different current loads.