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公开(公告)号：US20230009017A1
公开(公告)日：2023-01-12
申请号：US17856808
申请日：2022-07-01
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Xiaodong Chen , Wei Liu , Litao Qian , Shengli Lu
Abstract: A stacking system is disclosed and includes a circuit board, an integrated circuit, a voltage regulation module and a heat dissipation module. The integrated circuit and the voltage regulation module are opposite disposed on a first side and a second side of the circuit board. The heat dissipation module includes a first heat dissipation component and a second heat dissipation component located at a top surface of the integrated circuit and the bottom surface of the voltage regulation module. The second heat dissipation component includes a base and an extended arm. The base is in thermal contact with bottom surface of the voltage regulation module. The extended arm is extended from the base to the first heat dissipation component and in thermal contact with the first heat dissipation component.
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公开(公告)号：US11546994B2
公开(公告)日：2023-01-03
申请号：US17072427
申请日：2020-10-16
Applicant: Delta Electronics, Inc.
Inventor： Xueliang Chang , Shengli Lu , Mingyun Yang , Qinghua Su
Abstract: A voltage regulator module with a vertical layout structure includes a circuit board assembly, an electroplated region and a magnetic core assembly. The circuit board assembly includes a printed circuit board and at least one switch element. The printed circuit board includes a first surface, a second surface, a plurality of lateral surfaces, an accommodation space and a conductive structure. The switch element is disposed on the first surface. A conduction part is formed on the second surface. The conductive structure is perpendicular to the printed circuit board and disposed within the accommodation space. The electroplated region is formed on the corresponding lateral surface, arranged between the conduction part and the first surface, and electrically connected with the conduction part and the switch element. The magnetic core assembly is accommodated within the accommodation space. Consequently, an inductor is defined by the conductive structure and the magnetic core assembly collaboratively.
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公开(公告)号：US11437915B2
公开(公告)日：2022-09-06
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：US12022605B2
公开(公告)日：2024-06-25
申请号：US17856808
申请日：2022-07-01
Applicant: Delta Electronics, Inc.
Inventor： Yahong Xiong , Xiaodong Chen , Wei Liu , Litao Qian , Shengli Lu
CPC classification number: H05K1/0203 , H05K7/20254 , H05K7/2039 , H05K2201/064 , H05K2201/066
Abstract: A stacking system is disclosed and includes a circuit board, an integrated circuit, a voltage regulation module and a heat dissipation module. The integrated circuit and the voltage regulation module are opposite disposed on a first side and a second side of the circuit board. The heat dissipation module includes a first heat dissipation component and a second heat dissipation component located at a top surface of the integrated circuit and the bottom surface of the voltage regulation module. The second heat dissipation component includes a base and an extended arm. The base is in thermal contact with bottom surface of the voltage regulation module. The extended arm is extended from the base to the first heat dissipation component and in thermal contact with the first heat dissipation component.
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公开(公告)号：US20220293334A1
公开(公告)日：2022-09-15
申请号：US17677794
申请日：2022-02-22
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Kuojun Fan , Junguo Cui , Shengli Lu
Abstract: A magnetic device includes two common magnetic legs, a plurality of coupled magnetic legs, and two windings. The first winding includes a first input part, a first intermediate part and a first output part. The second winding includes a second input part, a second intermediate part and a second output part. The first input part is disposed between the first common magnetic leg and the first coupled magnetic leg. The second input part is disposed between the second common magnetic leg and the first coupled magnetic leg. The first intermediate part and the second intermediate part are disposed between every two adjacent coupled magnetic legs. The first output part is disposed between the first common magnetic leg and the last coupled magnetic leg. The second output part is disposed between the second common magnetic leg and the last coupled magnetic leg.
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Patent Agency Ranking
公开(公告)号：US20220132668A1
公开(公告)日：2022-04-28
申请号：US17571020
申请日：2022-01-07
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Shengli Lu
Abstract: An apparatus includes a substrate, a switching device, a capacitor device, a first via, a second via, a third via and a fourth via. The substrate has a first surface and a second surface and includes a plurality of copper layers including M positive copper layers and N negative copper layers. The M positive copper layers and the N negative copper layers are alternated. The switching device is disposed on the first surface and includes a switching positive terminal and a switching negative terminal. The capacitor device is disposed on the first surface and includes a capacitor positive terminal and a capacitor negative terminal, and the capacitor device forms a capacitor area. The projections of the adjacent positive and negative copper layers and the capacitor area on the first surface at least partially overlap with each other.
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公开(公告)号：US20220006372A1
公开(公告)日：2022-01-06
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：US11121627B2
公开(公告)日：2021-09-14
申请号：US16745402
申请日：2020-01-17
Applicant: Delta Electronics, Inc.
Inventor： Shengli Lu , Wenhua Li
Abstract: The present disclosure relates to a DC/DC conversion system, including a plurality of switch conversion branches, each of the switch conversion branches includes: a primary side circuit, having an input end connected in parallel with an input capacitor; a transformer, having a primary winding coupled to the primary side circuit; and a secondary side circuit, coupled to a secondary winding of the transformer, wherein, input ends of the primary side circuits of the plurality of switch conversion branches are connected in series to form a system input end, output ends of the secondary side circuits of the plurality of switch conversion branches are connected in series to form a system output end, and a filter circuit is connected in parallel with the system output end.
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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：US11870332B2
公开(公告)日：2024-01-09
申请号：US17540006
申请日：2021-12-01
Applicant: Delta Electronics, Inc.
Inventor： Zhengyu Ye , Xueliang Chang , Shengli Lu
IPC: H02M1/00
CPC classification number: H02M1/0095 , H02M1/0064
Abstract: The present disclosure provides a power conversion circuit including input positive and negative terminals, output positive and negative terminals, an input inductor, two bridge arms, a transformer, an output capacitor and an auxiliary capacitor. The input and output negative terminals are connected. A first terminal of the input inductor is coupled to the input positive terminal. Each bridge arm includes three switches connected in series and two connection points between the switches. The winding of the transformer is coupled in series between the connection points of the two bridge arms, and two windings of the transformer are connected and form a connection point coupled to the output positive terminal. Two terminals of the output capacitor are electrically connected to the output positive and negative terminals respectively. Two terminals of the auxiliary capacitor are electrically connected to a second terminal of the input inductor and the output terminal respectively.
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