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公开(公告)号：US20200304030A1
公开(公告)日：2020-09-24
申请号：US16813374
申请日：2020-03-09
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
Abstract: A resonant converter and a manufacturing method of a transformer thereof are provided. The resonant converter includes a full bridge circuit, an element, a first branch circuit, a second branch circuit and a secondary winding. The full bridge circuit includes a first node and a second node. The element includes an inductor or a capacitor. The first branch circuit includes a first primary winding. The second branch circuit includes a second primary winding, and the first and second primary windings have the same turn number. The transformer is constructed by the first and second primary windings and the secondary winding. The first branch circuit, the element and the second branch circuit are sequentially coupled in series between the first and second nodes. The first branch circuit and the second branch circuit are symmetrically located with respect to the element. The first and second branch circuits have the same impedance.
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公开(公告)号：US11923773B2
公开(公告)日：2024-03-05
申请号：US17530790
申请日：2021-11-19
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Shaojun Chen , Da Jin , Qinghua Su
CPC classification number: H02M3/158 , H05K1/115 , H05K1/181 , H05K1/185 , H05K5/0247 , H05K5/065 , H02M1/0048 , H02M3/003 , H05K2201/1003 , H05K2201/10166 , H05K2201/1031 , H05K2201/10522
Abstract: A voltage regulator module is provided. The switch circuit assembly includes two switch circuits and an input capacitor. Respective input terminals of the two switch circuits are connected with each other in parallel. The input capacitor is electrically connected with the respective input terminals of the two switch circuits in parallel and disposed between the two switch circuits. The plurality of conductive members have a first conductive member, a second conductive member and a third conductive member. The first conductive member and the third conductive member are configured to deliver an electric energy. The second conductive member is configured to deliver a signal. One end of each conductive member is electrically connected with corresponding switch circuit, and the other end of the first conductive member and the third conductive member is electrically connected with the load. The switch circuit assembly and the magnetic assembly are stacked with each other.
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公开(公告)号：US11923772B2
公开(公告)日：2024-03-05
申请号：US17361568
申请日：2021-06-29
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
CPC classification number: H02M3/158 , H02M1/0048
Abstract: A DC/DC converter includes a high-voltage side, a low-voltage side, a high-voltage side capacitor and a power conversion circuit. The high-voltage side includes a high-voltage positive terminal and a high-voltage negative terminal. The low-voltage side includes a low-voltage positive terminal and a low-voltage negative terminal. The low-voltage negative terminal is electrically connected with the high-voltage negative terminal A first terminal of the high-voltage side capacitor is electrically connected with the high-voltage positive terminal. A second terminal of the high-voltage side capacitor is electrically connected with the low-voltage positive terminal. The power conversion circuit is electrically connected between the high-voltage side and the low-voltage side. The power conversion circuit includes at least one switch and at least one magnetic assembly.
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公开(公告)号：US11799389B2
公开(公告)日：2023-10-24
申请号：US17354807
申请日：2021-06-22
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Xiaodong Chen , Shengli Lu
CPC classification number: H02M7/003 , H01F27/24 , H01F27/2804 , H02M3/24 , H05K1/181
Abstract: A power module includes a printed circuit board, a magnetic element, a secondary side switching circuit and at least two groups of external terminals. The magnetic element is disposed on the printed circuit board. The magnetic element includes at least one primary winding and plural secondary windings. The secondary side switching circuit includes a plurality of secondary switching units. Each secondary switching unit includes a plurality of switches connected in parallel. The switches of each secondary switching unit are evenly distributed on a first surface and a second surface of the printed circuit board. The switches of the secondary switching unit on the first surface and the second surface of the printed circuit board are at least partially overlapped with each other. The at least two groups of external terminals are disposed on the second surface of the printed circuit board, and electrically connected with the secondary side switching circuit.
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公开(公告)号：US11791087B2
公开(公告)日：2023-10-17
申请号：US17444561
申请日：2021-08-05
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
IPC: H05K1/16 , H05K1/18 , H01F27/00 , H01F27/24 , H01F27/26 , H01F27/28 , H01F27/29 , H02M3/28 , H02M3/155 , H02M3/335 , H02M7/00 , H01R12/52 , H05K1/14 , H02M3/00
CPC classification number: H01F27/2804 , H01F27/24 , H01R12/523 , H02M3/33523 , H02M7/003 , H05K1/144 , H05K1/165 , H05K1/18 , H01F2027/2809 , H01F2027/2819 , H02M3/003 , H02M3/01 , H02M3/33571 , H02M3/33573 , H05K2201/066 , H05K2201/10166
Abstract: The present invention relates to a planar converter, comprising: a magnetic unit comprising a first planar winding and two second planar windings magnetically coupled to each other and a magnetic core assembly; two closed circuits each comprises the first planar winding, a switch, and has a first connection point and a second connection point; two PCBs each provided with at least one of the closed circuits thereon; and two first connectors each comprising two welding ends opposite to each other, wherein the two welding ends of one of the two first connectors are connected to the first connection points of the two closed circuits, respectively, and the two welding ends of another one of the two first connectors are connected to the second connection points of the two closed circuits, respectively, and the two closed circuits are connected in parallel.
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Patent Agency Ranking
公开(公告)号：US11749442B2
公开(公告)日：2023-09-05
申请号：US17400347
申请日：2021-08-12
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Da Jin , Yahong Xiong , Xiaodong Chen
Abstract: A magnetic element includes at least one primary winding, at least one secondary winding, a magnetic core, and an auxiliary winding. A winding segment or an entire of the primary winding or a winding segment or an entire of the secondary winding is defined as a parallel-connected winding set. The magnetic core includes a plurality of winding legs, two lateral legs, and two connection parts. The at least one primary winding and the at least one secondary winding are wound around each winding leg. The directions of magnetic fluxes through every two adjacent winding legs are opposite. The auxiliary winding is wound on one of two lateral legs, and electrically connected with the parallel-connected winding set. A direction of a magnetic flux generated by the auxiliary winding is opposite to a direction of the magnetic flux through the adjacent winding leg.
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公开(公告)号：US20230274870A1
公开(公告)日：2023-08-31
申请号：US18144475
申请日：2023-05-08
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Da Jin , Yahong Xiong , Xiaodong Chen
CPC classification number: H01F27/26 , H01F27/306
Abstract: A magnetic element includes a magnetic core, at least one excitation winding and an auxiliary winding. The magnetic core includes at least one first magnetic leg, a second magnetic leg and a third magnetic leg. Each of the at least one magnetic leg is wound with an excitation winding, wherein a vector sum of magnetic flux passing through each of the at least one first magnetic leg is a first magnetic flux, a second magnetic flux is passing through the second magnetic leg, and a third magnetic flux is passing through the third magnetic leg. The auxiliary winding is partially or completely wound on the second magnetic leg, wherein the auxiliary winding is used to clamp the second magnetic flux.
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公开(公告)号：US11641153B2
公开(公告)日：2023-05-02
申请号：US17358203
申请日：2021-06-25
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
Abstract: A power conversion module includes a high-voltage side, a low-voltage side, a magnetic element, a high-voltage side circuit, and a low-voltage side circuit. The first end includes a high-voltage positive terminal and a high-voltage negative terminal. The second end includes a low-voltage positive terminal and a low-voltage negative terminal. The magnetic element includes two first windings. The high-voltage side circuit is electrically connected with the high-voltage positive terminal and the high-voltage negative terminal. The low-voltage side circuit is electrically connected with the low-voltage positive terminal and the low-voltage negative terminal. At least one AC loop includes at least one of the first windings, at least one part of the high-voltage side circuit and the low-voltage side circuit. The high-voltage side circuit and the low-voltage side circuit are located at a same side with respect to the magnetic element.
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公开(公告)号：US11622475B2
公开(公告)日：2023-04-04
申请号：US17365758
申请日：2021-07-01
Applicant: DELTA ELECTRONICS, INC.
Inventor： Da Jin , Shaojun Chen , Yahong Xiong
Abstract: A power module includes a power source module and a metallic heat-dissipation substrate. The power source module has an input pin and an output pin soldered on and electrically connected with a system board and includes a printed circuit board. The printed circuit board has a first surface and a second surface. At least a heat-generating component is disposed on the second surface. The metallic heat-dissipation substrate has a first surface and a second surface opposite to each other. The first surface has at least a fixing position and at least a heat-dissipating position. The fixing position is directly or indirectly connected with the second surface. A gap accumulated by tolerances is existed between the heat-dissipating position and the heat-generating component. A gap-filling material is filled into the gap. The second surface and the system board are soldered with each other. Therefore, the heat-dissipation efficiency is enhanced.
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公开(公告)号：US11605495B2
公开(公告)日：2023-03-14
申请号：US17882285
申请日：2022-08-05
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Da Jin , Qinghua Su
IPC: H05K1/18 , H01F27/28 , G05F1/575 , H01F27/02 , H01F27/29 , G06F1/18 , H01F17/04 , H05K1/02 , H05K1/16 , H05K7/14 , H05K7/20 , H01L25/16 , H01R12/52 , H01R12/58 , H02M3/158 , H05K1/11 , H01F17/06 , H02M3/00
Abstract: An electronic device includes a system board, a power module and a conductive part. The system board includes a first surface and a second surface opposite to each other. The power module is disposed on the second surface and provides power to the semiconductor device through the system board. The conductive part is disposed on a first side of the power module adjacent to the second surface, wherein the conductive part is electrically connected with the and the system board, wherein the power is transmitted between the and the semiconductor device through the conductive part. The power module includes at least one switch circuit and a magnetic core assembly. The at least one switch circuit disposed on a second side of the power module away from the conductive part. The magnetic core assembly is arranged between the switch circuit and the conductive part.
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