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公开(公告)号：US20240162833A1
公开(公告)日：2024-05-16
申请号：US18507853
申请日：2023-11-13
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yi-Sheng CHANG , Cheng-Chan HSU , Chia-Wei CHU , Chun-Yu YANG , Deng-Cyun HUANG , Yi-Hsun CHIU , Chien-An LAI , Yu-Tai WANG , Chi-Shou HO , Zhi-Yuan WU , Ko-Wen LU
Abstract: A power supply unit supplies power to a load, and the power supply unit includes a power factor corrector, a DC conversion module, and an isolated conversion module. The power factor corrector is plugged into a first main circuit board and converts an AC power into a DC power. The DC conversion module is plugged into the first main circuit board and converts the DC power into a main power. The isolated conversion module includes a bus capacitor, the bus capacitor is coupled to the DC conversion module through a first power copper bar, and coupled to the power factor corrector through a second power copper bar. The first power copper bar and the second power copper bar are arranged on a side opposite to the first main circuit board, and are arranged in parallel with the first main circuit board.
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公开(公告)号：US20230282409A1
公开(公告)日：2023-09-07
申请号：US17826313
申请日：2022-05-27
Applicant: Delta Electronics, Inc.
Inventor： Huai-Pei TUNG , Chun-Ching YEN , Bai-Xue XU , Chun-Yu YANG , Te-Chih PENG , Kuo-Hsun CHIEN , Yung-Chin WANG , Chao-Fong CHANG
CPC classification number: H01F27/306 , H01F27/2823 , H01F27/24
Abstract: A press-fit wire disposed in a magnetic device is provided. The press-fit wire includes a first wire and a second wire. The second wire is attached to the first wire. The first wire and the second wire are arranged along a first direction and are parallel circuits. The first wire and/or the second wire is a multi-strand wire.
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公开(公告)号：US20240161968A1
公开(公告)日：2024-05-16
申请号：US18507751
申请日：2023-11-13
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yi-Hsun CHIU , Yi-Sheng CHANG , Chun-Yu YANG , Meng-Chi TSAI
CPC classification number: H01F27/2804 , H02M3/01 , H05K1/165 , H01F2027/2809 , H01F2027/2819
Abstract: A planar transformer is configured on a multi-layer circuit board of a resonant converter. The planar transformer includes multiple layers of primary-side traces, multiple layers of secondary-side traces, and an iron core. The primary-side traces serve as a primary-side coil of the transformer to generate a first direction magnetic flux when the resonant converter operates. The secondary-side traces serve as a secondary-side coil of the transformer to generate a second direction magnetic flux when the resonant converter operates. The primary-side traces and the secondary-side traces surround a first core pillar and the second core pillar, and the primary-side traces and the secondary-side traces are configured in a specific stacked structure on the multi-layer circuit board, so that a magnetomotive force of the planar transformer can maintain balance during the operation of the resonant converter.
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公开(公告)号：US20240161966A1
公开(公告)日：2024-05-16
申请号：US18507446
申请日：2023-11-13
Applicant: DELTA ELECTRONICS, INC.
Inventor： Yi-Sheng CHANG , Chien-An LAI , Yi-Hsun CHIU , Chun-Yu YANG
CPC classification number: H01F27/2804 , H01F27/24 , H01F27/29 , H01F2027/2809
Abstract: A planar magnetic component is arranged on a circuit board of a resonant converter, and the resonant converter includes a primary-side circuit and a secondary-side circuit. The planar magnetic component includes an inductor trace, a primary-side trace, a secondary-side trace, and an iron core assembly. The iron core assembly includes an inductor iron core and an iron core. The primary-side trace surrounds the first through hole in a first direction and surrounds the second through hole in a second direction to form an ∞-shaped trace. The inductor trace is formed on the primary-side layer board and coupled to the primary-side trace, and two ends of the inductor trace form an input terminal and an output terminal of the planar magnetic component.
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