CN114586117A - 一种电感及其制作方法、电压转换电路以及电子设备 - Google Patents
一种电感及其制作方法、电压转换电路以及电子设备 Download PDFInfo
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- CN114586117A CN114586117A CN201980101537.8A CN201980101537A CN114586117A CN 114586117 A CN114586117 A CN 114586117A CN 201980101537 A CN201980101537 A CN 201980101537A CN 114586117 A CN114586117 A CN 114586117A
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- magnetic core
- coil
- film magnetic
- inductor
- thin film
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
本申请实施例提供一种电感及其制作方法、电压转换电路以及电子设备,涉及电子技术领域,用于减小Buck开关电路的布板面积。电感包括第一薄膜磁芯、第二薄膜磁芯、线圈。第二薄膜磁芯嵌入第一薄膜磁芯内。第二薄膜磁芯具有顶面和底面,以及贯穿顶面和底面的通孔。通孔的孔壁上覆盖有导电层。线圈嵌入第一薄膜磁芯内。线圈包括第一线圈部分和第二线圈部分。其中,第一线圈部分呈螺旋状环绕于第二薄膜磁芯的顶面。第二线圈部分呈螺旋状环绕于第二薄膜磁芯的底面,且第二线圈部分的第一端通过通孔与第一线圈部分第一端耦接。第一薄膜磁芯的相对磁导率小于第二薄膜磁芯的相对磁导率。
Description
PCT国内申请,说明书已公开。
Claims (13)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2019/121077 WO2021102710A1 (zh) | 2019-11-26 | 2019-11-26 | 一种电感及其制作方法、电压转换电路以及电子设备 |
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CN114586117A true CN114586117A (zh) | 2022-06-03 |
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CN201980101537.8A Pending CN114586117A (zh) | 2019-11-26 | 2019-11-26 | 一种电感及其制作方法、电压转换电路以及电子设备 |
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WO (1) | WO2021102710A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117439288A (zh) * | 2023-12-20 | 2024-01-23 | 荣耀终端有限公司 | 无线充电设备、电子设备及电子设备组件 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001217125A (ja) * | 2000-02-04 | 2001-08-10 | Alps Electric Co Ltd | 軟磁性膜及び前記軟磁性膜を用いた平面型磁気素子、フィルタ、及び薄膜磁気ヘッド |
CN204066972U (zh) * | 2014-08-11 | 2014-12-31 | 介面光电股份有限公司 | 薄膜线圈、薄膜线圈组件以及充电装置 |
CN105761880B (zh) * | 2016-04-20 | 2017-12-29 | 华为技术有限公司 | 一种薄膜电感和电源转换电路 |
KR102511872B1 (ko) * | 2017-12-27 | 2023-03-20 | 삼성전기주식회사 | 코일 전자 부품 |
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2019
- 2019-11-26 CN CN201980101537.8A patent/CN114586117A/zh active Pending
- 2019-11-26 WO PCT/CN2019/121077 patent/WO2021102710A1/zh active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117439288A (zh) * | 2023-12-20 | 2024-01-23 | 荣耀终端有限公司 | 无线充电设备、电子设备及电子设备组件 |
CN117439288B (zh) * | 2023-12-20 | 2024-05-17 | 荣耀终端有限公司 | 无线充电设备、电子设备及电子设备组件 |
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WO2021102710A1 (zh) | 2021-06-03 |
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