Delta Electronics (shanghai) Co., Ltd

Delta Electronics, Inc.

Xiaoni Xin

Jianhong Zeng

Shouyu Hong

Haoyi Ye

Yiqing Ye

Pengkai Ji

Le Liang

Zhiheng Fu

Yan Chen

Min Zhou

Jinping Zhou

Chaofeng Cai

Bin Wang

Hongyang Wu

Qingdong Chen

Jianping Ying

Zhenqing Zhao

Wen-Yu Lin

Rui Wu

Yu-Ching Kuo

Tong-Sheng Pan

Jian Min Jiang

Yuan Zhou

Ganyu Zhou

Qikun Wu

Huayao Bao

Siyu He

Teng Liu

Kai Lu

Yan Tong

Xinjian Zou

Wei Zhao

Fan Li

Ziying Zhou

Yu Zhang

Jian Zeng

Aiming Xiong

A transformer module and a power module are provided. The transformer module includes: a magnetic core, a first winding and a second winding. The magnetic core includes at least one magnetic column at least partially covered by a multi-layer carrier including a plurality of horizontal copper foils and connecting copper foils. Horizontal copper foils are located on horizontal wiring layers, and connecting copper foils are disposed to connect horizontal copper foils. First and second windings surround the magnetic column, and the second winding is located outside the first winding. Both the first and second windings are formed by a horizontal copper foil and a connecting copper foil; two ends of the first winding are electrically connected to first and second surface-mounted pins; two ends of the second winding are electrically connected to third and fourth surface-mounted pins; these pins are disposed on at least one surface of the transformer module.

Transformer module and power module

The present disclosure provides a manufacturing method of a magnetic element, comprising: forming an insulation layer on an outer side of at least one section of a magnetic column of a magnetic core; forming a metal wiring layer on an outer side of the insulation layer through a metallization process; and dividing at least part of the metal wiring layer into a multi-turn metal winding through a mechanically dividing process.

Manufacturing method of magnetic element

The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, a first wiring layer, a first insulating layer and a second wiring layer, where the first wiring layer, the first insulating layer and the second wiring layer are sequentially disposed on the magnetic core from outside to inside; a first metal winding, formed in the first wiring layer, where at least part of the first metal winding is wound around the magnetic core in a foil structure; the first insulating layer, at least partially covered by the first metal winding; a second metal winding, formed in the second wiring layer and wound around the magnetic core, where the second metal winding is at least partially covered by the first insulating layer, and at least partially covered by the first metal winding.

The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core and comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring; where at least part of the first metal winding and the second metal winding are wound around the magnetic core in a foil structure.

A power module and a manufacturing method thereof are disclosed. The power module includes a first board, a magnetic component, a second board and a power device. The first board includes a conductive component disposed between a first side and a second side opposite to each other. The magnetic component is disposed between the first side and the second side and includes a magnetic core and a winding. A first conductive terminal and a second conductive terminal are led out on the first side and the second side, respectively. The second board is disposed on the first board and includes a third side and a fourth side opposite to each other. The fourth side faces the first side. The power device is disposed on the third side of the second board and electrically connected to the first board.

Power module and manufacturing method thereof

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.

Magnetic element, manufacturing method of magnetic element, and power module

A system of providing power to a chip on a mainboard includes: a first power supply, located on the mainboard, and being configured to receive a first voltage and to provide a second voltage; and a second power supply and a third power supply, located on the mainboard and disposed at different sides of the chip, each of the second power supply and the third power supply is electrically connected to the first power supply to receive the second voltage, the second power supply provides a third voltage to the chip, the third power supply provides a fourth voltage to the chip, and Z≤5*(Z+Z), Zis bus impedance between the first power supply and the third power supply, Zis equivalent output impedance of the third power supply, and Zis transmission impedance between the third power supply and the chip.

System of providing power to chip on mainboard

The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core in a foil structure, and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core in a foil structure, comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring.

A power chip includes: a first power switch, formed in a wafer region and having a first and a second metal electrodes; a second power switch, formed in the wafer region and having a third and a fourth metal electrodes, wherein the first and second power switches respectively constitute an upper bridge arm and a lower bridge arm of a bridge circuit, and the first and second power switches are alternately arranged; and a metal region, at least including a first metal layer and a second metal layer that are stacked, each metal layer including a first to a third electrodes, and electrodes with the same voltage potential in the metal layers are electrically coupled.

Power chip

The disclosure provides a system of providing power to a chip on a mainboard, including: a first power supply, located on the mainboard, and configured to receive a first voltage and to provide a second voltage; and a second power supply and a third power supply, located on the mainboard, wherein the second power supply and the third power supply are electrically connected to the first power supply; so as to receive the second voltage, the second power supply is disposed at a first side of the chip, the third power supply is disposed at a second side of the chip, the second power supply provides a third voltage to the chip, and the third power supply provides a fourth voltage to the chip.

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.

Conversion circuit topology

The invention provides a conversion circuit for converting input voltage into output voltage, including: a full-bridge rectifier circuit including first and second bridge arms connected in parallel and electrically connected between first and second ends of the output voltage; a first switch branch electrically connected between the first end of the input voltage and the first end of the output voltage, and including first and second switches connected in series to form a first connection node; a first resonant unit electrically connected between the first connection point and midpoint of the first bridge arm; and a first transformer including a first primary winding connected in series with the first resonant unit; and a first secondary winding connected between midpoint of the first bridge arm and midpoint of the second bridge arm. The conversion circuit of the invention improves conversion efficiency while maintaining smaller voltage stress on switches.

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.

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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Shanghai, China

Xiaoni Xin