Abstract: A magnetic component includes a first core, a second core, an outer bobbin, a first winding, an inner bobbin and a second winding. The outer bobbin is disposed between the first core and the second core. The outer bobbin has a hollow tube portion, a first bottom portion and a first top portion. The first winding is wound around outer side of the hollow tube portion. The inner bobbin is disposed in the hollow tube portion. The inner bobbin has a second bottom portion and a second top portion. The second winding is wound around the inner bobbin. The second bottom portion is exposed to bottom side of the first bottom portion, such that the first bottom portion overlaps the second bottom portion in a height direction of the magnetic component. The second top portion and the second bottom portion abut against inner side of the hollow tube portion.

Abstract: A lithium-ion secondary battery is provided in the present disclosure, including a positive electrode with a first current collector and a first active material, a negative electrode, a separator between the positive electrode and the negative electrode, a field electrode at one side of the positive electrode opposite to the negative electrode, and a first insulating layer isolated between the positive electrode and the field electrode.

Abstract: A heat dissipation structure is disposed between two busbars or disposed outside the busbar, so as to dissipate heat from the busbar. In an embodiment, the heat dissipation structure is disposed between two busbars, such that a single heat dissipation structure is used to dissipate heat from two busbars simultaneously, so as to reduce cost of the heat dissipation structure. Furthermore, an insulation member is disposed between the two busbars and/or disposed between the busbar and the heat dissipation structure to achieve electrical insulation.

Abstract: A magnetic component structure with thermal conductive filler, including two magnetic cores combining together to form an inner accommodating space and at least one core opening, two plate portions connect each other through an inner leg structure and two outer leg structures, a bobbin sleeving on the inner leg structure, a coil winding on the bobbin, a bobbin housing surrounding the bobbin and the coil winding and form winding opening facing the at least one core opening, gaps are formed between the encasing structure constituted by the bobbin housing and the bobbin sleeving and the magnetic cores, a thermal conductive filler formed between the bobbin and the bobbin housing and encapsulating at least parts of the coil winding, and a cooling surface contacts the magnetic cores and the thermal conductive filler, the thermal conductive filler extends outwardly to contact the cooling surface through the opening and the winding opening.

Abstract: A magnetic component includes a primary winding, a secondary winding and at least one tertiary winding stacked with each other to form a symmetrical inductance structure or an asymmetrical inductance structure. Through the relationship of the distances between the primary winding, the secondary winding and the at least one tertiary winding of the symmetrical inductance structure, the leakage inductance can be balanced, the tolerance can be stabilized, the reverse current can be eliminated, the AC loss of the tertiary winding can be reduced, and/or the total loss can be reduced. Through the relationship of the distances between the primary winding, the secondary winding and the at least one tertiary winding of the asymmetrical inductance structure, the leakage inductance can be adjusted more flexibly, the tolerance can be stabilized, and the couple energy can be reduced.

Abstract: An IC package structure with connections is provided in the present disclosure, including a die bonded to a leadframe, a plurality of connections bonded to the leadframe, a molding compound formed on the leadframe, a metal layer formed on the molding compound and electrically connecting with the connections, and an electronic component mounted on the metal layer.

Abstract: A magnetic device, comprising a body and a coil disposed in the body, wherein a terminal part of the conductive wire forming the coil comprises a first portion and a second portion, wherein the first portion is exposed from the body for forming an electrode, wherein the second portion of the terminal part is deformed for increasing the distance between the terminal part of the conductive wire and the coil for preventing a short circuit.

Abstract: The present invention provides a radome incorporating a circularly polarized metamaterial, including a dielectric carrier and a circularly polarized metamaterial layer attached to or embedded into the dielectric carrier and electrically floating with respect to ground. The circularly polarized metamaterial layer includes a plurality of X-shaped openings arranged in an array and exposing the dielectric carrier, and a first radiation pattern transmits through the circularly polarized metamaterial layer, resulting in a second radiation pattern having enhanced focusing characteristics compared to the first radiation pattern.

Abstract: A magnetic component includes a magnetic body, a first winding, a second winding and a magnetic filler. The first winding is disposed in the magnetic body. A first end and a second end of the first winding respectively extend towards a first side and a second side of the magnetic body. The second winding is disposed in the magnetic body. A third end and a fourth end of the second winding extend towards the first side of the magnetic body. The first winding partially covers the second winding. The magnetic filler is filled between the first winding and the second winding.

Abstract: A coupled inductor includes a core assembly, at least two first windings, and a second winding. The core assembly includes a first core and a second core. The first core includes a first base plate, two first non-winding posts, and at least two first winding posts disposed between the two first non-winding posts. The two first non-winding posts and the first winding posts are connected to the first base plate. Each of the first windings is wound around a corresponding first winding post. The second winding covers the at least two first windings. The at least two first windings and the second winding are disposed along a first direction. A first wound direction of the at least two first windings and a second wound direction of the second winding are parallel to each other.

Abstract: An electrical component, comprising: a magnetic body and a coil disposed in the magnetic body, wherein the magnetic body comprises a first magnetic powder and a second magnetic powder, wherein the D50 of the first magnetic powder is greater than the D50 of the second magnetic powder, wherein the D90 of the first magnetic powder is not greater than 50 um, and the D90 of the second magnetic powder is not greater than 50 um.

Abstract: An electronic module, comprising: a first electronic device, a first circuit board disposed over the first top surface, and a second circuit board disposed under the bottom surface of the body of the first electronic device, wherein a plurality of conductors are disposed over a first lateral surface for electrically connecting the first circuit board and the second circuit board, wherein a plurality of electrodes of the electronic module are disposed on a bottom surface of the second circuit board.

Abstract: A voltage convertor module includes a lead-frame, a unitary bare die and a molding body. The lead-frame can have a plurality of electrodes including an input voltage electrode, an output voltage electrode, a ground electrode and a controlling electrode. The unitary bare die is disposed only on the lead-frame, where a plurality of pads of the unitary bare die are electrically connected to the electrodes of the lead-frame correspondingly. The unitary bare die includes the plurality of pads, a buck controller block, a first switching unit block, a second switching unit block, a feedback unit block and a plurality of routing structures.

Abstract: A magnetic component structure with thermal conductive filler, including two magnetic cores combining together to form an inner accommodating space and at least one core opening, two plate portions connect each other through an inner leg structure and two outer leg structures, a bobbin sleeving on the inner leg structure, a coil winding on the bobbin, a bobbin housing surrounding the bobbin and the coil winding and form winding opening facing the at least one core opening, gaps are formed between the encasing structure constituted by the bobbin housing and the bobbin sleeving and the magnetic cores, a thermal conductive filler formed between the bobbin and the bobbin housing and encapsulating at least parts of the coil winding, and a cooling surface contacts the magnetic cores and the thermal conductive filler, the thermal conductive filler extends outwardly to contact the cooling surface through the opening and the winding opening.

Abstract: An on-time controller, for controlling a switching operation of a power converter includes an on-time controlling circuit, configured to control an on-time signal of a switch circuit of the power converter according to a reference voltage, wherein the reference voltage is varied according to an output voltage of an output terminal of the switch circuit; and a frequency adjusting circuit, coupled to the on-time controlling circuit, configured to sense the output voltage of the output terminal of the switch circuit, generate a load sensing current according to the output voltage, and provide the load sensing current to the on-time controlling circuit for compensating the reference voltage to adjust the on-time signal of the switch circuit and a switching frequency of the switch circuit.

Abstract: A wireless charger having coils disposed in a recess of a metallic case of the wireless charger, wherein a heat-conducting material is disposed in the recess to encapsulate the coils with the first heat-conducting material being in contact with the coils, a sidewall, and a bottom surface of the recess.

Abstract: The present disclosure provides a multi-function charging printed circuit board by forming a short-range antenna and multiple charging coils on multiple layers, wherein the short-range antenna and at least one charging coil is integrated on a single layer. One or more temperature-detecting units are disposed on the charging side of the charging printed circuit board for effectively dissipating heat and avoiding over-temperature accidents. A ferrite sheet is attached to the bottom side of the wireless charging printed circuit board for improving the efficiency of wireless charging.

Abstract: A method to form a plurality of inductors in a single process by stacking multiple magnetic sheets, wherein each sheet is made to form a particular part in quantities, which can be a base part, a pillar part, a hollow part, or a cover part, for forming a magnetic body of an inductor.

Abstract: A magnetic component includes a magnetic body and a coil. The magnetic body includes an inner leg, at least one outer leg, a first bottom portion and a second bottom portion. The inner leg and the at least one outer leg protrude from the first bottom portion and the second bottom portion. A cross-sectional area of the inner leg is larger than a total cross-sectional area of the at least one outer leg. The coil is wound around the inner leg.

Abstract: A wireless charger comprises atop cover; a metallic case; and a first thermoelectric cooler chip, disposed between a bottom surface of the top cover and a top surface of the metallic case to form a heat conductive path from the top cover to the metallic case via the first thermoelectric cooler chip for dissipating heat generated by an electronic device disposed on the top cover for wireless charging the electronic device.