JP5255046B2 - 電流センサ - Google Patents

電流センサ Download PDF

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Publication number
JP5255046B2
JP5255046B2 JP2010281774A JP2010281774A JP5255046B2 JP 5255046 B2 JP5255046 B2 JP 5255046B2 JP 2010281774 A JP2010281774 A JP 2010281774A JP 2010281774 A JP2010281774 A JP 2010281774A JP 5255046 B2 JP5255046 B2 JP 5255046B2
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JP
Japan
Prior art keywords
current
conductor portion
substrate
current conductor
hall effect
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.)
Active
Application number
JP2010281774A
Other languages
English (en)
Japanese (ja)
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JP2011075576A (ja
JP2011075576A5 (https=
Inventor
テイラー,ウィリアム・ピー
ドゥーグ,マイケル・シー
シャーマ,ニルマル
ギャグノン,ジェイ
マングタニ,ヴィジャイ
ディッキンソン,リチャード
フリードリッヒ,アンドレアス・ペー
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.)
Allegro Microsystems LLC
Original Assignee
Allegro Microsystems LLC
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
Priority claimed from US11/140,250 external-priority patent/US6995315B2/en
Priority claimed from US11/144,970 external-priority patent/US7166807B2/en
Priority claimed from US11/336,602 external-priority patent/US7075287B1/en
Priority claimed from US11/401,160 external-priority patent/US7476816B2/en
Priority claimed from US11/383,021 external-priority patent/US20060219436A1/en
Application filed by Allegro Microsystems LLC filed Critical Allegro Microsystems LLC
Publication of JP2011075576A publication Critical patent/JP2011075576A/ja
Publication of JP2011075576A5 publication Critical patent/JP2011075576A5/ja
Application granted granted Critical
Publication of JP5255046B2 publication Critical patent/JP5255046B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/202Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/071Connecting or disconnecting
    • H10W72/076Connecting or disconnecting of strap connectors
    • H10W72/07651Connecting or disconnecting of strap connectors characterised by changes in properties of the strap connectors during connecting
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/60Strap connectors, e.g. thick copper clips for grounding of power devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/60Strap connectors, e.g. thick copper clips for grounding of power devices
    • H10W72/651Materials of strap connectors
    • H10W72/652Materials of strap connectors comprising metals or metalloids, e.g. silver
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00Interconnections or connectors in packages
    • H10W72/851Dispositions of multiple connectors or interconnections
    • H10W72/853On the same surface
    • H10W72/871Bond wires and strap connectors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00Encapsulations, e.g. protective coatings
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/701Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/756Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10WGENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00Package configurations
    • H10W90/701Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/761Package configurations characterised by the relative positions of pads or connectors relative to package parts of strap connectors
    • H10W90/766Package configurations characterised by the relative positions of pads or connectors relative to package parts of strap connectors between a chip and a stacked lead frame, conducting package substrate or heat sink

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Lead Frames For Integrated Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP2010281774A 2005-05-27 2010-12-17 電流センサ Active JP5255046B2 (ja)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US11/140,250 2005-05-27
US11/140,250 US6995315B2 (en) 2003-08-26 2005-05-27 Current sensor
US11/144,970 2005-06-03
US11/144,970 US7166807B2 (en) 2003-08-26 2005-06-03 Current sensor
US11/336,602 US7075287B1 (en) 2003-08-26 2006-01-20 Current sensor
US11/336,602 2006-01-20
US11/401,160 US7476816B2 (en) 2003-08-26 2006-04-10 Current sensor
US11/401,160 2006-04-10
US11/383,021 2006-05-12
US11/383,021 US20060219436A1 (en) 2003-08-26 2006-05-12 Current sensor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2008513632A Division JP5468776B2 (ja) 2005-05-27 2006-05-23 電流センサ

Publications (3)

Publication Number Publication Date
JP2011075576A JP2011075576A (ja) 2011-04-14
JP2011075576A5 JP2011075576A5 (https=) 2012-06-07
JP5255046B2 true JP5255046B2 (ja) 2013-08-07

Family

ID=44015214

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2010281774A Active JP5255046B2 (ja) 2005-05-27 2010-12-17 電流センサ
JP2010281841A Active JP5248588B2 (ja) 2005-05-27 2010-12-17 電流センサ
JP2010281828A Active JP4904427B2 (ja) 2005-05-27 2010-12-17 電流センサ
JP2010281804A Active JP5248587B2 (ja) 2005-05-27 2010-12-17 電流センサ

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2010281841A Active JP5248588B2 (ja) 2005-05-27 2010-12-17 電流センサ
JP2010281828A Active JP4904427B2 (ja) 2005-05-27 2010-12-17 電流センサ
JP2010281804A Active JP5248587B2 (ja) 2005-05-27 2010-12-17 電流センサ

Country Status (1)

Country Link
JP (4) JP5255046B2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9190606B2 (en) 2013-03-15 2015-11-17 Allegro Micosystems, LLC Packaging for an electronic device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8907437B2 (en) * 2011-07-22 2014-12-09 Allegro Microsystems, Llc Reinforced isolation for current sensor with magnetic field transducer
CH707687B1 (de) 2013-03-08 2016-09-15 Melexis Technologies Nv Stromsensor.
US10345343B2 (en) 2013-03-15 2019-07-09 Allegro Microsystems, Llc Current sensor isolation
US9810721B2 (en) * 2015-12-23 2017-11-07 Melexis Technologies Sa Method of making a current sensor and current sensor
JP2017134022A (ja) * 2016-01-29 2017-08-03 旭化成エレクトロニクス株式会社 電流センサ及び製造方法
CN113866475B (zh) * 2021-09-30 2025-02-18 意瑞半导体(上海)有限公司 电流传感器的引线框架及电流传感器
US11644485B2 (en) 2021-10-07 2023-05-09 Allegro Microsystems, Llc Current sensor integrated circuits
US11768230B1 (en) 2022-03-30 2023-09-26 Allegro Microsystems, Llc Current sensor integrated circuit with a dual gauge lead frame

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425596A (en) * 1980-09-26 1984-01-10 Tokyo Shibaura Denki Kabushiki Kaisha Electric circuit breaker
JP2001165963A (ja) * 1999-12-09 2001-06-22 Sanken Electric Co Ltd ホール素子を備えた電流検出装置
JP2002267692A (ja) * 2001-03-08 2002-09-18 Yazaki Corp 電流センサ
CN1295514C (zh) * 2001-11-01 2007-01-17 旭化成电子材料元件株式会社 电流传感器与电流传感器的制造方法
US7709754B2 (en) * 2003-08-26 2010-05-04 Allegro Microsystems, Inc. Current sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9190606B2 (en) 2013-03-15 2015-11-17 Allegro Micosystems, LLC Packaging for an electronic device
US9865807B2 (en) 2013-03-15 2018-01-09 Allegro Microsystems, Llc Packaging for an electronic device

Also Published As

Publication number Publication date
JP5248588B2 (ja) 2013-07-31
JP2011069838A (ja) 2011-04-07
JP2011075576A (ja) 2011-04-14
JP5248587B2 (ja) 2013-07-31
JP2011069837A (ja) 2011-04-07
JP4904427B2 (ja) 2012-03-28
JP2011102807A (ja) 2011-05-26

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