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公开(公告)号：US20200251979A1
公开(公告)日：2020-08-06
申请号：US16745128
申请日：2020-01-16
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
Abstract: A power converter includes a first positive terminal, a first negative terminal, a second positive terminal, a second negative terminal, a first capacitor and N phase conversion circuits. The first capacitor is connected between the second positive terminal and the second negative terminal. Each phase conversion circuit includes a first main switch, a second main switch, a second capacitor, a freewheeling switch, an inductor and a bridge arm circuit. The first main switch is electrically connected with the first positive terminal. The second capacitor is electrically connected with the first main switch and the second main switch. The freewheeling switch is electrically connected between the second main switch and the second negative terminal. The inductor is electrically connected with the second main switch. The second main switch is also electrically connected with the first main switch of an adjacent phase conversion circuit.
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公开(公告)号：US11923758B2
公开(公告)日：2024-03-05
申请号：US17581577
申请日：2022-01-21
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
CPC classification number: H02M1/088 , H02M1/0058 , H02M3/158 , H02M3/07
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：US20230223832A1
公开(公告)日：2023-07-13
申请号：US18122963
申请日：2023-03-17
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su , Zhongwang Yang
CPC classification number: H02M1/0095 , H02M3/07 , H02M3/01 , H02M3/33584
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：US11665824B2
公开(公告)日：2023-05-30
申请号：US17571020
申请日：2022-01-07
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Shengli Lu
CPC classification number: H05K1/165 , H05K1/115 , H05K2201/10015 , H05K2201/10053
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：US11527963B2
公开(公告)日：2022-12-13
申请号：US17238213
申请日：2021-04-23
Applicant: DELTA ELECTRONICS, INC.
Inventor： Da Jin , Xue-Liang Chang , Ya-Hong Xiong , Qing-Hua Su
Abstract: A control unit is provided. The control unit is configured to provide a control signal for controlling a power unit. The power unit includes a first positive voltage terminal, a second positive voltage terminal, a first negative voltage terminal, a second negative voltage terminal, and a switching element. The first negative voltage terminal and the second positive voltage terminal are coupled to each other in a short circuit manner. One terminal of the switching element is electrically connected to the first negative voltage terminal. The control unit is configured to: receive a pulse width modulation signal; receive a first power supply signal; receive a second positive voltage terminal signal; output a second power supply signal; and output the control signal for controlling the switching element to be turned on or turned off.
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Patent Agency Ranking
公开(公告)号：US11488764B2
公开(公告)日：2022-11-01
申请号：US16591062
申请日：2019-10-02
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: A voltage regulator module includes a first circuit board assembly and a magnetic core assembly. The first circuit board assembly includes a first printed circuit board, a plurality of switch elements and a first molding compound layer. The switch elements are mounted on a first surface of the first printed circuit board. The first molding compound layer is formed on the first surface of the first printed circuit board to encapsulate the switch elements. The magnetic core assembly is arranged beside a second surface of the first printed circuit board, and includes a magnetic core portion and at least one first U-shaped copper structure. The magnetic core portion includes a plurality of openings. Each first U-shaped copper structure is penetrated through two corresponding openings to define two inductors. A first terminal of each inductor and the corresponding switch element are connected in series to define a phase circuit.
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公开(公告)号：US20220141960A1
公开(公告)日：2022-05-05
申请号：US17575562
申请日：2022-01-13
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
IPC: H05K1/18 , H02M3/04 , H05K1/11 , H05K1/14 , H01F27/24 , H01F27/28 , H02M3/28 , H02M7/00 , H02M7/217 , H02M3/158
Abstract: A voltage regulator module includes a circuit board, a first component and a switching circuit assembly. The circuit board includes a first surface, a second surface, a concave structure and a contact pad. The first surface and the second surface are opposed to each other. The concave structure is disposed in the circuit board and concavely formed on the second surface. The contact pad is formed on the second surface and served as at least one of a positive output terminal, a negative output terminal and a positive input terminal. The concave structure and the contact pad are misaligned to each other. The first component is at least partly disposed within the concave structure. The switching circuit assembly is disposed on the first surface and electrically connected with the contact pad and the first component.
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公开(公告)号：US20220006394A1
公开(公告)日：2022-01-06
申请号：US17354807
申请日：2021-06-22
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Xiaodong Chen , Shengli Lu
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：US20220006380A1
公开(公告)日：2022-01-06
申请号：US17361568
申请日：2021-06-29
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Zhengyu Ye , Xueliang Chang , Shengli Lu
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：US11205958B2
公开(公告)日：2021-12-21
申请号：US17023006
申请日：2020-09-16
Applicant: Delta Electronics, Inc.
Inventor： Da Jin , Yahong Xiong , Qinghua Su
Abstract: A power conversion system including a power conversion unit, a power circuit and a precharge circuit is provided. The power conversion circuit includes an input port, an output port, switching power conversion units and at least one storage device. The storage device is connected between the input and output ports in series. The power circuit is electrically connected to the power conversion circuit for receiving the input voltage and outputting a supply voltage to the power conversion circuit, and the power circuit includes a magnetic element. The precharge circuit precharges the storage device. The precharge circuit includes a winding and a rectifier filter circuit connected to each other. The winding is coupled to the magnetic element for receiving a conversion voltage. The rectifier filter circuit is electrically connected to the storage device so as to receive the conversion voltage and output a charge voltage to the corresponding storage device.
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