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公开(公告)号：US11632042B2
公开(公告)日：2023-04-18
申请号：US17372502
申请日：2021-07-11
发明人： Yiqing Ye , Yuan Zhou , Haoyi Ye , Xiaoni Xin , Zhiheng Fu , Huayao Bao
摘要： The invention provides a conversion circuit for converting input voltage into output voltage, including: a full-wave rectifier circuit including first and second branches connected in parallel, and each including a secondary winding and a rectifier switch; a first switch branch connected to midpoint of the first branch, and including first to fourth switches connected in series; a first resonant unit connected between connection node of the first and second switches and midpoint of the second branch; a second resonant unit connected between connection node of the third and fourth switches and midpoint of the second branch; a first primary winding connected in series to the first resonant unit; and a capacitor connected between connection node of the second and third switches and midpoint of the second branch. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.
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公开(公告)号：US11450480B2
公开(公告)日：2022-09-20
申请号：US16671158
申请日：2019-10-31
发明人： Chaofeng Cai , Xiaoni Xin , Jianhong Zeng , Shouyu Hong , Rui Wu , Haoyi Ye , Yiqing Ye , Jinping Zhou , Zhiheng Fu , Min Zhou , Yu-Ching Kuo , Tong-Sheng Pan , Wen-Yu Lin
IPC分类号： H01F5/00 , H01F41/08 , H01F41/064 , H01F41/02 , H01F30/08
摘要： The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, a first metal winding and a second metal winding. A first wiring layer, a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from the outside to the inside; the first metal winding is formed on the first wiring layer and winded around the magnetic core in a foil structure; the first insulating layer is at least partially covered by the first metal winding; a second metal winding is formed on the second wiring layer and winded around the magnetic core in a foil structure, wherein the second metal winding is at least partially covered by the first insulating layer, and is at least partially covered by the first metal winding.
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公开(公告)号：US20220217836A1
公开(公告)日：2022-07-07
申请号：US17656432
申请日：2022-03-25
发明人： Shouyu Hong , Qingdong Chen , Sansan Guo , Wulong Cong , Yiqing Ye , Chongfeng Zheng , Ganyu Zhou , Pengkai Ji
摘要： The present disclosure provides a power supply system and an electronic device. The power supply system is used to supply power to a load and includes a system board where the load is disposed; a substrate; at least one output capacitor surface-mounted on the second side of the system board; at least one positive output conductive-connected region disposed on the first side of the substrate, and being electrically connected to one terminal of the at least one output capacitor; at least one negative output conductive-connected region disposed on the first side of the substrate, and being electrically connected to other terminal of the at least one output capacitor; and at least one power unit disposed on the second side of the substrate, and being electrically connected to the at least one positive output conductive-connected region and the at least one negative output conductive-connected region.
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公开(公告)号：US11228241B2
公开(公告)日：2022-01-18
申请号：US16785858
申请日：2020-02-10
摘要： The present disclosure provides a control method of a voltage conversion circuit. The voltage conversion circuit includes a DC voltage input terminal, a primary side switch unit, a resonant inductance, a transformer, a secondary side switch unit and a DC voltage output terminal which are electrically coupled. The resonant inductance is connected to the transformer in series. The voltage conversion circuit also includes a resonant capacitance which resonates with the resonant inductance. The control method includes: controlling switch elements in the primary side switch unit and the secondary side switch unit, so that a range of a ratio Ton/Tr of a total conduction time Ton to a resonant period Tr of the voltage conversion circuit is (0, 1.8)U(2.7, 3.7)U(4.8, 5.5), and a quality factor Q of the voltage conversion circuit is less than or equal to 5, that is, Q≤5. The control method provided by the embodiment of the present disclosure can reduce the conduction loss and the switching loss of the voltage conversion circuit, thereby improving the efficiency and reducing the cost.
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公开(公告)号：US10608530B1
公开(公告)日：2020-03-31
申请号：US16529038
申请日：2019-08-01
发明人： Tiansheng Zhu , Yiqing Ye
IPC分类号： H02M3/07
摘要： A switched tank converter includes at least three conversion units. Each conversion unit is a first-type conversion unit or a second-type conversion unit. An end of the support capacitor of each first-type conversion unit is electrically connected with a ground end. An end of a half-bridge clamping circuit of the second-type conversion unit is electrically connected with the ground end. A middle point of the half-bridge clamping circuit is electrically connected with an end of the support capacitor of the second-type conversion unit. The first-stage conversion unit is the first-type conversion unit. At least one conversion unit of the third-stage conversion unit to the Nth-stage conversion unit is the second-type conversion unit. Another end of the half-bridge clamping circuit of at least one second-type conversion unit is electrically connected with another end of the support capacitor of the lower-stage conversion unit excluding the first-stage conversion unit.
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公开(公告)号：US12002615B2
公开(公告)日：2024-06-04
申请号：US17024720
申请日：2020-09-18
发明人： Shouyu Hong , Ganyu Zhou , Zhiheng Fu , Yan Tong , Qingdong Chen , Xiaoni Xin , Jinping Zhou , Pengkai Ji , Yiqing Ye
CPC分类号： H01F27/2804 , H01F27/24 , H01F27/324 , H01F41/0206 , H01F41/041 , H01F41/125
摘要： The present disclosure provides a magnetic element, a manufacturing method of a magnetic element, and a power module. The magnetic element includes: a magnetic core; and a metal wiring layer, where the metal wiring layer is flat wound on a surface of at least one section of a magnetic column of the magnetic core, the metal wiring layer includes a vertical portion and a horizontal portion, and at least part of the vertical portion forms a multi-turn metal winding by mechanically dividing.
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公开(公告)号：US11495521B2
公开(公告)日：2022-11-08
申请号：US16936798
申请日：2020-07-23
发明人： Pengkai Ji , Shouyu Hong , Yiqing Ye
摘要： The present disclosure provides a power module and a method for manufacturing the power module. The power module includes a chip, a passive element and connection pins. The connection pins are provided on a pin-out surface of the power module, and are electrically connected to at least one of a chip terminal of the chip and the passive element; a projection of the chip on the pin-out surface of the power module does not overlap with a projection of the passive element on the pin-out surface of the power module, and an angle between the terminal-out surface of the chip and the pin-out surface of the power module is greater than 45° and less than 135°.
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公开(公告)号：US11476754B2
公开(公告)日：2022-10-18
申请号：US17372506
申请日：2021-07-11
发明人： Yiqing Ye , Yuan Zhou , Haoyi Ye , Xiaoni Xin , Zhiheng Fu , Huayao Bao
摘要： The invention provides a conversion circuit for converting an input voltage into an output voltage, including: a first full-wave rectifier circuit including a first branch and a second branch connected in parallel, each including a winding and a rectifier switch connected in series to form a midpoint; a first switch branch including a first switch and a second switch connected in series to form a first connection node; and a first resonant unit connected between the first connection node and a midpoint of the second branch, wherein the first resonant unit is not connected in series to the windings of the transformer. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.
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公开(公告)号：US20220130587A1
公开(公告)日：2022-04-28
申请号：US17383503
申请日：2021-07-23
发明人： Shouyu Hong , Qingdong Chen , Ningning Zhang , Ganyu Zhou , Zhiheng Fu , Jinping Zhou , Min Zhou , Yiqing Ye
摘要： A magnetic element includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic part. The winding assembly includes a first winding. The first winding is wound around the first magnetic part. Moreover, at least a portion of a substrate is formed as the first winding. The substrate includes a first accommodation space and a first metal structure. Moreover, at least a portion of the first metal structure is formed as at least a portion of the first winding and disposed on four lateral surfaces of the first accommodation space, and at least a portion of the first magnetic part is disposed within the first accommodation space.
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10.发明授权公开(公告)号：US11152853B2
公开(公告)日：2021-10-19
申请号：US16527881
申请日：2019-07-31
发明人： Ming Li , Yiqing Ye , Chengshang Yang
摘要： A power device includes a first conversion module and a second conversion module. The first conversion module includes a first conversion unit and receives a first divided voltage of a bus voltage. The second conversion module includes a cascade conversion circuit with a second conversion unit and a third conversion unit. The input terminal of the second conversion module and the input terminal of the first conversion module are connected with each other in series. The input terminal of the second conversion module receives a second divided voltage of the bus voltage. The output terminal of the second conversion module and the output terminal of the first conversion module are electrically connected with each other in parallel so as to provide an output voltage to a load. The third conversion unit detects the output voltage to control the output voltage stable.
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