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公开(公告)号：US11824457B2
公开(公告)日：2023-11-21
申请号：US17709049
申请日：2022-03-30
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yang Leng , Litao Qian , Zhongwang Yang
CPC classification number: H02M3/33576 , H02M1/0064
Abstract: A power conversion module is disclosed. The power conversion module includes a power conversion module includes a circuit board and a first basic power unit. The first basic power unit is disposed on the circuit board and includes a magnetic device, a primary switch circuit, a first secondary rectifying circuit and a first positive output terminal pin. The primary switch circuit, the first secondary rectifying circuit, the magnetic device and the first positive output terminal pin are sequentially arranged on the circuit board along a first direction.
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公开(公告)号：US11784560B2
公开(公告)日：2023-10-10
申请号：US17842629
申请日：2022-06-16
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Litao Qian , Qinghua Su
CPC classification number: H02M3/015 , H02M1/0095 , H02M3/07 , H02M3/1584 , H02M3/003 , H02M3/01 , H02M3/33569
Abstract: A power conversion circuit includes an input positive terminal, an input negative terminal, an output positive terminal, an output negative terminal, a first switch bridge arm, a first resonant branch, a capacitor branch, an output inductor unit and an output capacitor. The input negative terminal is electrically connected with the output negative terminal. The first switch bridge arm is electrically connected between the input positive terminal and the input negative terminal. The first switch bridge arm includes a first switch, a second switch, a third switch and a fourth switch. The first switch and the second switch are electrically connected with a first node. The second switch and the third switch are electrically connected with a second node. The third switch and the fourth switch are electrically connected with a third node. The first resonant branch is electrically connected between the first node and the third node.
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公开(公告)号：US20230268820A1
公开(公告)日：2023-08-24
申请号：US18086481
申请日：2022-12-21
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
CPC classification number: H02M1/0054 , H02M3/07
Abstract: The present disclosure provides a power converter including an input capacitor, an input switch, first and second bridge arms, first and second storage capacitors, two output inductors and an output capacitor. The first and second bridge arms are connected in parallel between a second terminal of the input switch and the ground terminal. The first bridge arm includes three switches connected in series and has first upper and lower nodes therebetween. The second bridge arm includes three switches connected in series and has second upper and lower nodes therebetween. The first storage capacitor is coupled between the first upper node and the second lower node. The second storage capacitor is coupled between the second upper node and the first lower node. The input switch is configured to block a rush current between the input capacitor and the first storage capacitor and/or the second storage capacitor.
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公开(公告)号：US20230187115A1
公开(公告)日：2023-06-15
申请号：US18071879
申请日：2022-11-30
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Litao Qian , Qinghua Su
Abstract: A magnetic device includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic cover, a second magnetic cover and a plurality of magnetic legs. The second magnetic cover has a perforation. The plurality of magnetic legs are disposed between the first magnetic cover and the second magnetic cover. A middle region is defined by the plurality of magnetic legs, the first magnetic cover and the second magnetic cover. The middle region is in communication with the perforation. The middle region includes a plurality of communication portions. The winding assembly includes at least one coupled winding pair. In addition, two coupled windings of each coupled winding pair are respectively transferred through two different communication portions, and portions of the two coupled windings of each coupled winding pair are penetrated through the perforation of the second magnetic cover.
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公开(公告)号：US20230179094A1
公开(公告)日：2023-06-08
申请号：US17987701
申请日：2022-11-15
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Litao Qian , Qinghua Su
Abstract: A power conversion circuit is provided. In the power conversion circuit, a three-switch unit of a switch bridge arm includes first, second and third terminals and upper, middle and lower switches serially connected between the first and third terminals sequentially. The upper and lower switches are turned on and off synchronously. A grounding switch is coupled between the third terminal and a negative input terminal. A cross-connected storage capacitor is electrically connected between a node between the upper and middle switches and the third terminal. A diode, a capacitor and a driving unit of a floating driving circuit are electrically connected between the upper and lower switches. A connection node between the diode and the capacitor is electrically connected to a driving terminal of the upper switch. A connection node between the capacitor and the driving unit is electrically connected to a driving terminal of the lower switch.
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Patent Agency Ranking
公开(公告)号：US11647587B2
公开(公告)日：2023-05-09
申请号：US17714493
申请日：2022-04-06
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Kun Jiang , Junguo Cui , Yahong Xiong
IPC: H05K1/14 , H05K1/11 , H05K1/16 , H01F27/26 , H01F27/28 , H01F27/29 , H01F27/34 , H05K1/18 , H05K3/34
CPC classification number: H05K1/145 , H01F27/266 , H01F27/2804 , H01F27/29 , H01F27/34 , H05K1/111 , H05K1/144 , H05K1/165 , H05K1/181 , H05K3/3494 , H05K2201/086 , H05K2201/10015 , H05K2201/10053 , H05K2201/10189 , H05K2201/10734
Abstract: The present disclosure is related to a power module power structure and an assembling method thereof. The power module structure includes a first printed-circuit-board (PCB) assembly, a second PCB assembly, and a conductive connection component. The first PCB assembly includes a first circuit board, a power switch and a magnetic component. The first circuit board includes a first side, a second side and a through hole. The power switch is disposed on the first circuit board. The magnetic component includes a first magnetic core and a second magnetic core fastened on the first circuit board through the through hole. The second PCB assembly includes a second circuit board having a third side, a fourth side and at least one opening. The second magnetic core is exposed through the opening. The conductive connection component is disposed and electrically connected between the first PCB assembly and the second PCB assembly.
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公开(公告)号：US11646670B2
公开(公告)日：2023-05-09
申请号：US17566191
申请日：2021-12-30
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Junguo Cui
CPC classification number: H02M3/33592 , H02M1/0064 , H02M3/01
Abstract: A power conversion module includes an input port, an output port, a full-bridge switching circuit, a magnetic device, an energy storage capacitor set and a rectifier circuit. The magnetic device includes a first coupled winding pair and a second coupled winding pair. The first coupled winding pair includes a first winding and a second winding, which are coupled to each other. The second coupled winding pair includes a third winding and a fourth winding, which are coupled to each other. The first winding and the third winding are connected between a first bridge arm and a second bridge arm of the full-bridge switching circuit. The energy storage capacitor set is electrically connected with the input port, and electrically connected with the first winding and the third winding. The rectifier circuit is electrically connected with the second winding, the fourth winding and the output port.
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公开(公告)号：US20230075167A1
公开(公告)日：2023-03-09
申请号：US17987045
申请日：2022-11-15
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yang Leng , Zhongwang Yang , Yahong Xiong
Abstract: A magnetic device includes a magnetic core assembly, a first secondary winding, a second secondary winding and a primary winding. The magnetic core assembly includes a first magnetic leg, a second magnetic leg and a third magnetic leg. The first to third magnetic legs are arranged in sequence. The second magnetic leg is disposed between the first magnetic leg and the third magnetic leg. The first secondary winding is disposed between the first magnetic leg and the second magnetic leg, and the second secondary winding is disposed between the second magnetic leg and the third magnetic leg. A first terminal of the primary winding is disposed between the first magnetic leg and the second magnetic leg, and a second terminal of the primary winding is disposed between the second magnetic leg and the third magnetic leg.
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公开(公告)号：US11539285B2
公开(公告)日：2022-12-27
申请号：US17650857
申请日：2022-02-14
Applicant: DELTA ELECTRONICS, INC.
Inventor： Da Jin , Ya-Hong Xiong , Qing-Hua Su
Abstract: A DC-to-DC converter includes a first DC side, a second DC side, a first capacitor, a first switch circuit, a magnetic element circuit, a second switch circuit, and a second capacitor. The DC-to-DC converter is adapted for converting between a first DC voltage and a second DC voltage. The magnetic element circuit is electrically coupled to the first switch circuit, and includes a plurality of magnetically coupled windings and an inductor. An oscillating current flowing in the first switch circuit is generated by controlling the first switch circuit and the second switch circuit, and an oscillating frequency of the oscillating current is determined by the capacitance of the first capacitor and the inductance of the inductor in the magnetic element circuit, and the first switch circuit and the second switch circuit are switched at a specific region of a wave trough of the oscillating current.
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公开(公告)号：US11496057B2
公开(公告)日：2022-11-08
申请号：US16748766
申请日：2020-01-21
Applicant: DELTA ELECTRONICS, INC.
Inventor： Da Jin , Ya-Hong Xiong , Qing-Hua Su
Abstract: A converter includes an input capacitor, a primary-side switching circuit, a magnetic element circuit, a secondary-side switching circuit, and an output capacitor. The magnetic element circuit includes a transformer and an inductor. The input capacitor is configured to receive an input voltage. The primary-side switching circuit is coupled to the input capacitor. The magnetic element circuit is coupled to the primary-side switching circuit. The secondary-side switching circuit is coupled to the magnetic element circuit. The output capacitor is coupled to the secondary-side switching circuit. The input capacitor, the inductor, and the output capacitor oscillate to generate an oscillating current. The primary-side switching circuit is switched between a peak point of the oscillating current and a valley point of the oscillating current.
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