JP6983527B2 - 電流検出用抵抗器 - Google Patents
電流検出用抵抗器 Download PDFInfo
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- JP6983527B2 JP6983527B2 JP2017068955A JP2017068955A JP6983527B2 JP 6983527 B2 JP6983527 B2 JP 6983527B2 JP 2017068955 A JP2017068955 A JP 2017068955A JP 2017068955 A JP2017068955 A JP 2017068955A JP 6983527 B2 JP6983527 B2 JP 6983527B2
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- G01—MEASURING; TESTING
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- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
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Description
図1は、本発明の第1の実施の形態による電流検出用抵抗器の一構成例を示す図であり、図1(a)は斜視図、図1(c)は断面図である。
電極: t1=t3=0.1mm
抵抗体: t2=0.2mm
積層体: h=0.4mm
積層体: r=1.5mm
図3(a)に示すシャント抵抗器Aの第1の実装構造例は、シャント抵抗器Aを配線7上に配置している。なお、配線7におけるシャント抵抗器Aが搭載される部位をパッドと称する。シャント抵抗器Aの第2電極3は配線7(パッド)に接続されている。
図3(b)に示すシャント抵抗器Aの第2の実装構造例は、シャント抵抗器Aを配線7に搭載した電子部品51上に配置している。電子部品51とは、例えば、パワーMOSトランジスタなどの半導体素子である。シャント抵抗器Aと電子部品51は、はんだ等により接続固定される。電子部品51には、2つの独立した主電極が設けられている。その一つが主電極43であり、もう一方の主電極(図示せず)は、配線7と対峙するように電子部品51の裏面側に形成され、配線7と接続されている。また、符号45は、例えば電子部品51に入力される信号用の端子である。シャント抵抗器Aの第2電極3は電子部品51の主電極43上に接続されている。ボンディングワイヤーW1は、第1電極1と配線60とを接続している。ボンディングワイヤーW4は、第1電極1と配線61とを接続している。ボンディングワイヤーW3は、シャント抵抗器Aが搭載された主電極43と配線59とを接続している。ボンディングワイヤーW2は、信号用端子45と配線57とを接続している。
図3(c)に示すシャント抵抗器Aの第3の実装構造は、シャント抵抗器Aを絶縁基板等に形成された配線7に配置している。
図1(b)は、本発明の第2の実施の形態による電流検出用抵抗器の一構成例を示す斜視図である。このような、四角形の形状を形成しても良い。図2(e)に示すように、図2(b)の積層構造を形成した後に、符号2a、2bに示すように、カットを行うことで、図2(f)に示す四角形のシャント抵抗器Cを形成することができる。その他、実装構造などは、第1の実施の形態と同様である。
図4(a)は、本発明の第3の実施の形態による電流検出用抵抗器の一構成例を示す斜視図である。図4(b)は、図4(a)の円の中心を通る線に沿って切った断面図の一例である。
図5(a)は、本発明の第4の実施の形態による電流検出用抵抗器の一構成例を示す斜視図である。図5(b)は、図5(a)の円の中心を通る線に沿って切った断面図の一例である。図5(c)は、分解斜視図である。
図7は、本発明の第5の実施の形態による電流検出用抵抗器の一構成例を示す斜視図である。第4の実施の形態と本実施の形態では、第1電極1と抵抗体5(図7では現れていない)が、リング状である点は共通する。本実施の形態では、第2電極3が凸部3aを有しておらず、平坦部3bを構成している。また、本実施の形態では、平面形状において矩形状にしている。また、本実施の形態では、電極1と抵抗体5の内周部分(平坦部3bを取り囲む周壁部分)と、電極1と抵抗体5の外周部分に、絶縁材17を形成している。
1…第1の電極(端子)
3…第2の電極(端子)
5…抵抗体
7…配線
17…絶縁膜(絶縁体)
23…メッキ膜
51…電子部品
Wn…ボンディングワイヤー
Claims (1)
- 一対の主電極を備える半導体素子と、
前記半導体素子に配置され、導電性の金属材からなる第1端子および第2端子と、前記第1端子と前記第2端子との間に配置された抵抗体と、を有し、
前記抵抗体、前記第1端子、および、前記第2端子は、厚み方向に積層体を構成した電流検出用抵抗器を構成し、
前記主電極の少なくともいずれか一方に、前記電流検出用抵抗器の前記第1端子又は前記第2端子を接続した、
電流検出装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017068955A JP6983527B2 (ja) | 2017-03-30 | 2017-03-30 | 電流検出用抵抗器 |
DE112018001784.2T DE112018001784T5 (de) | 2017-03-30 | 2018-02-28 | Stromerfassungswiderstand |
US16/497,220 US20200051717A1 (en) | 2017-03-30 | 2018-02-28 | Current sensing resistor |
PCT/JP2018/007395 WO2018180137A1 (ja) | 2017-03-30 | 2018-02-28 | 電流検出用抵抗器 |
CN201880020003.8A CN110447079A (zh) | 2017-03-30 | 2018-02-28 | 检流电阻器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017068955A JP6983527B2 (ja) | 2017-03-30 | 2017-03-30 | 電流検出用抵抗器 |
Publications (2)
Publication Number | Publication Date |
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JP2018170478A JP2018170478A (ja) | 2018-11-01 |
JP6983527B2 true JP6983527B2 (ja) | 2021-12-17 |
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JP2017068955A Active JP6983527B2 (ja) | 2017-03-30 | 2017-03-30 | 電流検出用抵抗器 |
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US (1) | US20200051717A1 (ja) |
JP (1) | JP6983527B2 (ja) |
CN (1) | CN110447079A (ja) |
DE (1) | DE112018001784T5 (ja) |
WO (1) | WO2018180137A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017207713A1 (de) * | 2017-05-08 | 2018-11-08 | Robert Bosch Gmbh | Shunt-Widerstand zur Zustandserkennung einer elektrischen Energiespeichereinheit |
JP7099938B2 (ja) * | 2018-11-16 | 2022-07-12 | 株式会社日立製作所 | パワー半導体装置 |
DE102019108541A1 (de) * | 2019-04-02 | 2020-10-08 | Eberspächer Controls Landau Gmbh & Co. Kg | Strommessbaugruppe |
JP7216602B2 (ja) | 2019-04-17 | 2023-02-01 | Koa株式会社 | 電流検出用抵抗器 |
JP7216603B2 (ja) * | 2019-04-17 | 2023-02-01 | Koa株式会社 | 電流検出用抵抗器の実装構造及び電流検出用抵抗器 |
JP2021168323A (ja) | 2020-04-09 | 2021-10-21 | Koa株式会社 | 電流検出用抵抗器及び電流検出装置 |
JP2022066642A (ja) | 2020-10-19 | 2022-05-02 | Koa株式会社 | シャント抵抗器およびシャント抵抗装置 |
JP2023156132A (ja) * | 2022-04-12 | 2023-10-24 | Koa株式会社 | シャント抵抗器およびシャント抵抗装置 |
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JP2523822B2 (ja) * | 1988-09-27 | 1996-08-14 | 株式会社神戸製鋼所 | 高圧処理装置及び高圧処理方法 |
JP2507930Y2 (ja) * | 1990-08-27 | 1996-08-21 | 好秀 金原 | 無誘導抵抗器 |
JP2001358283A (ja) | 2000-06-13 | 2001-12-26 | Nippon Inter Electronics Corp | 電流シャント及びそれを使用した複合半導体装置 |
JP3826749B2 (ja) * | 2001-08-22 | 2006-09-27 | 株式会社日立製作所 | シャント抵抗を備えた電力変換装置 |
US7612429B2 (en) * | 2002-10-31 | 2009-11-03 | Rohm Co., Ltd. | Chip resistor, process for producing the same, and frame for use therein |
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JP5445329B2 (ja) * | 2010-05-25 | 2014-03-19 | 株式会社デンソー | 電力半導体装置 |
JP2012099744A (ja) * | 2010-11-05 | 2012-05-24 | Shintekku:Kk | 金属板低抵抗チップ抵抗器およびその製造方法 |
JP6294073B2 (ja) * | 2013-12-27 | 2018-03-14 | Koa株式会社 | 抵抗器の製造方法 |
JP6384211B2 (ja) * | 2014-09-03 | 2018-09-05 | 株式会社デンソー | シャント抵抗器 |
JP6574365B2 (ja) | 2015-09-29 | 2019-09-11 | 昭和電工パッケージング株式会社 | 蓄電デバイスの外装材用シーラントフィルム、蓄電デバイス用外装材及び蓄電デバイス |
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US20200051717A1 (en) | 2020-02-13 |
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