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 PDF

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Publication number
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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China
Prior art keywords
magnetic core
coil
film magnetic
inductor
thin film
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Pending
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CN201980101537.8A
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English (en)
Inventor
刘宁
刘铁军
路鹏
朱靖华
胡章荣
胡耀东
产竹标
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN114586117A publication Critical patent/CN114586117A/zh
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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)

  1. PCT国内申请，权利要求书已公开。
CN201980101537.8A 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 Pending CN114586117A (zh)

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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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CN (1) CN114586117A (zh)
WO (1) WO2021102710A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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