CN118020158A - 变压器芯片和信号传输装置 - Google Patents

变压器芯片和信号传输装置 Download PDF

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Publication number
CN118020158A
CN118020158A CN202280063884.8A CN202280063884A CN118020158A CN 118020158 A CN118020158 A CN 118020158A CN 202280063884 A CN202280063884 A CN 202280063884A CN 118020158 A CN118020158 A CN 118020158A
Authority
CN
China
Prior art keywords
potential
coil
transformer
chip
wiring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202280063884.8A
Other languages
English (en)
Chinese (zh)
Inventor
北田友嗣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN118020158A publication Critical patent/CN118020158A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/288—Shielding
    • H01F27/2885—Shielding with shields or electrodes
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H01F19/08—Transformers having magnetic bias, e.g. for handling pulses
    • H01F2019/085—Transformer for galvanic isolation
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H01F2038/143—Inductive couplings for signals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Semiconductor Integrated Circuits (AREA)
CN202280063884.8A 2021-10-25 2022-09-08 变压器芯片和信号传输装置 Pending CN118020158A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-173793 2021-10-25
JP2021173793 2021-10-25
PCT/JP2022/033692 WO2023074137A1 (ja) 2021-10-25 2022-09-08 トランスチップ、信号伝達装置

Publications (1)

Publication Number Publication Date
CN118020158A true CN118020158A (zh) 2024-05-10

Family

ID=86157686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280063884.8A Pending CN118020158A (zh) 2021-10-25 2022-09-08 变压器芯片和信号传输装置

Country Status (4)

Country Link
US (1) US20240221992A1 (https=)
JP (1) JPWO2023074137A1 (https=)
CN (1) CN118020158A (https=)
WO (1) WO2023074137A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021215237A1 (ja) * 2020-04-24 2021-10-28 ローム株式会社 パルス受信回路、信号伝達装置
WO2025009421A1 (ja) * 2023-07-03 2025-01-09 ローム株式会社 トランスチップおよび信号伝達装置
JP2025017247A (ja) * 2023-07-24 2025-02-05 合肥晶合集成電路股▲ふん▼有限公司 半導体装置及び半導体装置の設計支援装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3221415B2 (ja) * 1998-11-18 2001-10-22 日本電気株式会社 アナログ信号パッドのシールド法、および半導体集積回路
JP5964183B2 (ja) * 2012-09-05 2016-08-03 ルネサスエレクトロニクス株式会社 半導体装置
JP6619698B2 (ja) * 2016-06-09 2019-12-11 ルネサスエレクトロニクス株式会社 半導体装置、及び通信回路
DE112018004478B4 (de) * 2017-10-13 2025-03-27 Rohm Co., Ltd. Elektronikkomponente

Also Published As

Publication number Publication date
US20240221992A1 (en) 2024-07-04
JPWO2023074137A1 (https=) 2023-05-04
WO2023074137A1 (ja) 2023-05-04

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