JP5846123B2 - パワーモジュール - Google Patents
パワーモジュール Download PDFInfo
- Publication number
- JP5846123B2 JP5846123B2 JP2012546589A JP2012546589A JP5846123B2 JP 5846123 B2 JP5846123 B2 JP 5846123B2 JP 2012546589 A JP2012546589 A JP 2012546589A JP 2012546589 A JP2012546589 A JP 2012546589A JP 5846123 B2 JP5846123 B2 JP 5846123B2
- Authority
- JP
- Japan
- Prior art keywords
- lead
- lead portion
- thin plate
- power module
- base portion
- 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.)
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- 239000000463 material Substances 0.000 claims description 62
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- 229910000679 solder Inorganic materials 0.000 description 21
- 238000000034 method Methods 0.000 description 15
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- 238000004519 manufacturing process Methods 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
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- 229910052782 aluminium Inorganic materials 0.000 description 3
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- 238000005304 joining Methods 0.000 description 3
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
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- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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Description
半導体素子と、
電導性を有する材料からなり、前記半導体素子が載置されるベース部と、
前記ベース部と同一の材料からなり、前記ベース部から切り離され、前記半導体素子に電気的に接続される信号リード部と、
前記ベース部と同一の材料からなり、前記ベース部から連続して形成され、前記ベース部よりも板厚が薄く、前記ベース部に対して前記信号リード部と同一の側に延在する薄板リード部と、
前記ベース部と同一の材料からなり、前記ベース部から連続して形成され、前記ベース部よりも板厚が薄いパワーリード部であって、前記半導体素子の所定端子を電源の正極側に接続するためのパワーリード部とを備え、
前記薄板リード部は、前記ベース部を介して前記半導体素子の所定端子に電気的に接続され、該半導体素子の所定端子における電位を検出するための電位検出用端子を構成し、
前記薄板リード部は、前記ベース部から切り離される前の前記信号リード部を前記ベース部に対して支持する構造部を利用して形成されることを特徴とする、パワーモジュールが提供される。
10 半導体素子
10A IGBT
10B ダイオード
24 ワイヤボンディング
30 異型材リードフレーム
30B 異型材リードフレーム
32 厚部
34 薄部
40 絶縁シート
50 冷却板
54 フィン
60 樹脂モールド部
82 はんだ層
84a 余剰はんだ
90 制御基板
100 電気自動車用駆動装置
101 バッテリ
102 DC/DCコンバータ
103 インバータ
104 走行用モータ
105 制御装置
300A 上アーム
300B 下アーム
322 信号リード部
322a 接続用端子
333 電圧センサ用リード部
333a 接続用端子
335 補強用部位
342 リード部
342a、342b 屈曲部
343 穴
344 接続部
351,352 パワーリード部
361,362,363 パワーリード部
600 信号リード構成部位
602,604 吊リード
605 連結部
Claims (12)
- パワーモジュールであって、
半導体素子と、
電導性を有する材料からなり、前記半導体素子が載置されるベース部と、
前記ベース部と同一の材料からなり、前記ベース部から切り離され、前記半導体素子に電気的に接続される信号リード部と、
前記ベース部と同一の材料からなり、前記ベース部から連続して形成され、前記ベース部よりも板厚が薄く、前記ベース部に対して前記信号リード部と同一の側に延在する薄板リード部と、
前記ベース部と同一の材料からなり、前記ベース部から連続して形成され、前記ベース部よりも板厚が薄いパワーリード部であって、前記半導体素子の所定端子を電源の正極側に接続するためのパワーリード部とを備え、
前記薄板リード部は、前記ベース部を介して前記半導体素子の所定端子に電気的に接続され、該半導体素子の所定端子における電位を検出するための電位検出用端子を構成し、
前記薄板リード部は、前記ベース部から切り離される前の前記信号リード部を前記ベース部に対して支持する構造部を利用して形成されることを特徴とする、パワーモジュール。 - 前記薄板リード部は、電圧センサとして機能する、請求項1に記載のパワーモジュール。
- 前記薄板リード部は、前記信号リード部よりも幅が広い、請求項1に記載のパワーモジュール。
- 前記半導体素子、前記ベース部、前記薄板リード部の端部を除く部分、及び、前記信号リード部の端部を除く部分を、覆うように設けられる樹脂モールド部を備え、
前記薄板リード部の端部及び前記信号リード部の端部は、前記樹脂モールド部から露出し、
前記薄板リード部の端部及び前記信号リード部の端部は、当該パワーモジュールを制御するための制御基板に接続される、請求項1に記載のパワーモジュール。 - 前記薄板リード部の端部は、前記制御基板にはんだ付けされる、請求項4に記載のパワーモジュール。
- 前記ベース部と同一の材料からなり、前記ベース部と一体的に形成され、前記ベース部よりも板厚が薄く、前記ベース部から連続して延在する更なる薄板リード部を更に備え、
前記更なるリード部は、前記薄板リード部と前記更なる薄板リード部との間に前記信号リード部が延在する態様で延在し、
前記更なる薄板リード部の端部は、前記樹脂モールド部から露出し、
前記更なる薄板リード部の端部は、前記制御基板にはんだ付けされる、請求項5に記載のパワーモジュール。 - 前記半導体素子は、IGBTであり、
前記所定端子は、コレクタ端子である、請求項1に記載のパワーモジュール。 - 前記薄板リード部の端部及び前記信号リード部の端部は、当該パワーモジュールを制御するための制御基板にはんだ付けされる、請求項1に記載のパワーモジュール。
- 前記パワーリード部は、前記ベース部に対して前記信号リード部と同一の側に延在し、
前記パワーリード部の端部は、前記樹脂モールド部から露出し、
前記薄板リード部は、前記パワーリード部よりも幅が狭い、請求項8に記載のパワーモジュール。 - 前記ベース部以外にヒートシンク部を有していない、請求項1に記載のパワーモジュール。
- 前記ベース部、前記薄板リード部及び前記信号リード部は、厚みの異なる薄部と厚部を有する異型材リードフレームから形成され、
前記ベース部は、前記厚部から形成され、前記薄板リード部及び前記信号リード部は、前記薄部から形成される、請求項1〜5のうちのいずれか1項に記載のパワーモジュール。 - 第1アーム部と、第2アーム部とを備える請求項1に記載のパワーモジュールであって、
前記半導体素子、前記ベース部、前記信号リード部及び前記薄板リード部は、前記第1アーム部を構成し、
前記第2アーム部は、
第2半導体素子と、
電導性を有する材料からなり、前記第2半導体素子が載置される第2ベース部と、
前記第2ベース部と同一の材料からなり、前記第2ベース部から連続して形成され、前記第2ベース部よりも板厚が薄い第2薄板リード部とを備え、
前記第2アーム部の第2薄板リード部は、屈曲部を介して延在する接続部又は穴が形成された接続部を有し、該接続部位が前記第1アーム部の半導体素子にはんだ付けされる、請求項1に記載のパワーモジュール。
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JPWO2012073306A1 (ja) | 2014-05-19 |
DE112010006032B4 (de) | 2018-10-04 |
US20130235636A1 (en) | 2013-09-12 |
CN103229295B (zh) | 2016-01-06 |
WO2012073306A1 (ja) | 2012-06-07 |
CN103229295A (zh) | 2013-07-31 |
DE112010006032T5 (de) | 2013-10-02 |
US9236330B2 (en) | 2016-01-12 |
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