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公开(公告)号：US11527959B2
公开(公告)日：2022-12-13
申请号：US17553902
申请日：2021-12-17
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
IPC: H02M3/158 , H02M1/00 , H02M7/53846 , H02M3/335
Abstract: The present disclosure provides a control method of a power conversion device including first and second bridge arms and two transformers. The first bridge arm includes the first, second and third switches serially connected. The second bridge arm includes the fourth, fifth and sixth switches serially connected. The control method includes: controlling the first and fourth switches to operate with duty cycle and being 180 degrees out of phase; controlling control signals of the third and fourth switches to be complementary, and controlling control signals of the sixth and first switches to be complementary; when the duty cycle being less than or equal to 0.5, controlling the second and fourth switches to switch synchronously, controlling the fifth and first switches to switch synchronously; and when the duty cycle being greater than 0.5, controlling the second and sixth switches to switch synchronously, controlling the fifth and third switches to switch synchronously.
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公开(公告)号：US20220375677A1
公开(公告)日：2022-11-24
申请号：US17882285
申请日：2022-08-05
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Da Jin , Qinghua Su
IPC: H01F27/28 , G05F1/575 , H01F27/02 , H01F27/29 , G06F1/18 , H01F17/04 , H05K1/02 , H05K1/16 , H05K1/18 , 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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公开(公告)号：US20220321017A1
公开(公告)日：2022-10-06
申请号：US17709049
申请日：2022-03-30
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yang Leng , Litao Qian , Zhongwang Yang
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：US20220247303A1
公开(公告)日：2022-08-04
申请号：US17581577
申请日：2022-01-21
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
Abstract: A power conversion circuit includes an input positive terminal, an input negative terminal, an output positive terminal, an output negative terminal, a first bridge arm, a second bridge arm, a transformer, a first resonant capacitor, a second resonant capacitor, a third resonant capacitor and a third resonant capacitor. The transformer includes a first winding, a second winding and a third winding. The plurality of switches in the first bridge arm and the plurality of switches in the second bridge arm are selectively turned on or turned off. The ratio of the input voltage to the output voltage can be adjustable by changing the turn numbers of the first winding, the second winding and the third winding.
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公开(公告)号：US20220232703A1
公开(公告)日：2022-07-21
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
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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Patent Agency Ranking
公开(公告)号：US11349404B2
公开(公告)日：2022-05-31
申请号：US17115605
申请日：2020-12-08
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
Abstract: A power conversion circuit includes a first terminal, a second terminal, a first switching conversion unit, a second switching conversion unit, a flying capacitor and a magnetic element. The first switching conversion unit includes a first switch and a third switch. The second switching conversion unit includes a second switch and a fourth switch. The magnetic element includes two first windings and a second winding. A first one of the two first windings is serially connected between the flying capacitor and the second terminal. A second one of the two first windings is serially connected between the second switch and the second terminal. The second winding is serially connected with the flying capacitor and the first one of the two first windings. A turn ratio between the second winding, the first one of the two first windings and the second one of the two first windings is N:1:1.
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公开(公告)号：US20210408924A1
公开(公告)日：2021-12-30
申请号：US17339139
申请日：2021-06-04
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Dongjie Gu , Xueliang Chang , Shengli Lu
Abstract: A converter includes a first end, a second end, a first side and a second side switching circuits and a transformer. The first end includes a first positive terminal and a first negative terminal. The second end includes a second positive terminal and a second negative terminal. The first side switching circuit is coupled to the first end and includes a first bridge arm and a second bridge arm. Two terminals of the first bridge arm are coupled to the first positive terminal and the first negative terminal respectively. Two terminals of the second bridge arm are coupled to the first positive terminal and the second positive terminal respectively. The transformer includes a first side winding coupled to the first side switching circuit and a second side winding coupled to the second side switching circuit. The turns ratio of the first side winding and the second side winding is N:1.
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公开(公告)号：US11212919B2
公开(公告)日：2021-12-28
申请号：US16810406
申请日：2020-03-05
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Shaojun Chen , Da Jin , Qinghua Su
Abstract: A voltage regulator module includes a circuit board assembly, a magnetic core assembly and a molding compound layer. The circuit board assembly includes a printed circuit board and at least one switch element. The switch element is disposed on a first surface of the printed circuit board. Moreover, at least one first copper post, at least one second copper post, at least one third copper post and the magnetic core assembly are disposed on a second surface of the printed circuit board. The magnetic core assembly includes at least one opening. The at least one first copper post is penetrated through the corresponding opening, so that at least one inductor is defined by the at least one first copper post and the magnetic core assembly collaboratively. The molding compound layer encapsulates the printed circuit board and the magnetic core assembly in a double-sided molding manner.
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公开(公告)号：US20210204408A1
公开(公告)日：2021-07-01
申请号：US17198779
申请日：2021-03-11
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Da Jin , Qinghua Su
Abstract: A voltage regulator module includes a first circuit board assembly, a second circuit board assembly and a magnetic core assembly. The first circuit board assembly includes a first printed circuit board. The second circuit board assembly includes a second printed circuit board, at least one output capacitor, a plurality of ball grid arrays and at least one bonding pad. The second printed circuit board includes a first surface and a second surface. The plurality of ball grid arrays are disposed on the second surface of the second printed circuit board. The at least one bonding pad is arranged beside the first surface of the second printed circuit board. The magnetic core assembly is arranged between the first circuit board assembly and the second circuit board assembly and electrically connected with the at least one bonding pad. The at least one output capacitor is embedded within the second circuit board assembly.
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公开(公告)号：US11031878B2
公开(公告)日：2021-06-08
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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