JP2012005322A - パワー半導体装置及びそれを用いた電力変換装置 - Google Patents
パワー半導体装置及びそれを用いた電力変換装置 Download PDFInfo
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- JP2012005322A JP2012005322A JP2010140723A JP2010140723A JP2012005322A JP 2012005322 A JP2012005322 A JP 2012005322A JP 2010140723 A JP2010140723 A JP 2010140723A JP 2010140723 A JP2010140723 A JP 2010140723A JP 2012005322 A JP2012005322 A JP 2012005322A
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Abstract
【解決手段】パワーモジュール300Uにおいて、第一封止樹脂348からそれぞれ突出する直流正極配線315Aおよび直流負極配線319Aは、第一封止樹脂348から突出する部分が多面体形状を有する第一封止樹脂348の一つの面に沿って一列に並べられ、第二封止樹脂351から積層状態で突出しており、モジュールケース304の外に延出している。
【選択図】図12
Description
本発明の目的は、生産工程におけるパワー半導体素子の破損を低減することである。
本発明によるパワー半導体装置の他の一態様は、インバータの上アーム及び下アーム用の第1及び第2パワー半導体素子の直列回路と、直列回路を封止する第1封止部材と、第1封止部材から突出しており、直列回路に直流電力を供給するための内部端子と、内部端子に接続された積層構造の外部端子と、内部端子と外部端子との接続部を封止する第2封止部材と、第1封止部材で封止された直列回路と内部端子とを収納するケースと、を備え、外部端子がケースの外に延出する構造を成し、外部端子の各層を流れる電流により互いに相殺し合う方向の磁束を発生するものである。
本発明によるパワー半導体装置の別の一態様は、インバータ回路の上下アームをそれぞれ構成し、制御電極をそれぞれ有する第1及び第2のパワー半導体素子と、第1及び第2のパワー半導体素子が有する制御電極とそれぞれ接続される第1及び第2の制御端子と、第1及び第2のパワー半導体素子により構成される直列回路の正極側及び負極側とそれぞれ接続され、直列回路に直流電力を供給する正極端子及び負極端子と、直列回路により直流電力から変換された交流電力を出力するための出力端子と、を備え、第1の制御端子、第2の制御端子、正極端子、負極端子及び出力端子の各端子は、一列に並べて配列されており、第1及び第2のパワー半導体素子が有する制御電極は、各端子の配列方向に直交する中心線に対していずれか一方に偏った位置にそれぞれ配置されており、第1及び第2の制御端子は、第1及び第2のパワー半導体素子において制御電極が配置されている一方側にそれぞれ配置されており、正極端子は、第1のパワー半導体素子において制御電極が配置されていない他方側に配置されており、出力端子は、第2のパワー半導体素子において制御電極が配置されていない他方側に配置されており、負極端子は、正極端子と第2の制御端子の間に配置されているものである。
本発明による電力変換装置の一態様は、平滑用コンデンサと平滑用コンデンサに接続され直流電力から交流電力にあるいは交流電力から直流電力に変換するための複数のパワー半導体装置からなるブリッジ回路とパワー半導体装置を冷却する冷却媒体を流すための冷却流路形成体を備え、パワー半導体装置は、パワー半導体素子と、パワー半導体素子を封止する第1封止部材と、第1封止部材から突出する内部端子と、内部端子に接続された外部端子と、内部端子と外部端子との接続部を封止する第2封止部材と、第1封止部材で封止されたパワー半導体素子と内部端子を収納するケースと、を備え、外部端子が外に延出しているものである。
本発明による電力変換装置の他の一態様は、平滑用コンデンサと平滑用コンデンサに接続され直流電力から交流電力にあるいは交流電力から直流電力に変換するための複数のパワー半導体装置からなるブリッジ回路とパワー半導体装置を冷却する冷却媒体を流すための冷却流路形成体を備え、パワー半導体装置は、インバータの上アーム及び下アーム用の第1及び第2パワー半導体素子の直列回路と、第1及び第2パワー半導体素子の直列回路を封止する第1封止部材と、第1封止部材から突出する直列回路に直流電力を供給するための内部端子と、内部端子に接続された積層構造の外部端子と、内部端子と外部端子との接続部を封止する第2封止部材と、第1封止部材で封止されたパワー半導体素子と内部端子とを収納する金属製のケースと、を備え、外部端子が外に延出する構造を成し、内部端子に接続される直列回路を流れる電流により金属製のケースに渦電流が誘起され、積層構造の各外部端子を流れる電流により互いに相殺し合う方向の磁束を発生するようにしたものである。
Claims (16)
- インバータ回路の上下アームを構成する複数のパワー半導体素子と、
多面体形状を有し、前記複数のパワー半導体素子を封止する第1封止部材と、
前記複数のパワー半導体素子のいずれかと接続され、前記第1封止部材から突出する正極側端子と、
前記複数のパワー半導体素子のいずれかと接続され、前記第1封止部材から突出する負極側端子と、
前記正極側端子の少なくとも一部及び前記負極側端子の少なくとも一部を封止する第2封止部材と、
前記第1封止部材で封止された前記パワー半導体素子を収納するケースと、を備え、
前記正極側端子及び前記負極側端子は、前記第1封止部材から突出する部分が前記第1封止部材の一つの面に沿って一列に並べられ、
さらに、前記正極側端子及び前記負極側端子は、前記第2封止部材から積層状態で突出しておりかつ前記ケースの外に延出していることを特徴とするパワー半導体装置。 - インバータの上アーム及び下アーム用の第1及び第2パワー半導体素子の直列回路と、
前記直列回路を封止する第1封止部材と、
前記第1封止部材から突出しており、前記直列回路に直流電力を供給するための内部端子と、
前記内部端子に接続された積層構造の外部端子と、
前記内部端子と前記外部端子との接続部を封止する第2封止部材と、
前記第1封止部材で封止された前記直列回路と前記内部端子とを収納するケースと、を備え、
前記外部端子が前記ケースの外に延出する構造を成し、
前記外部端子の各層を流れる電流により互いに相殺し合う方向の磁束を発生することを特徴とするパワー半導体装置。 - 請求項2に記載のパワー半導体装置において、
前記ケースは、電気伝導性を有する部材で形成され、
前記内部端子に接続された前記直列回路を流れる電流により前記ケースに渦電流が誘起されることを特徴とするパワー半導体装置。 - 請求項2または3に記載のパワー半導体装置において、
前記ケースは、その外側に放熱用のフィンを有する放熱面が形成され、
前記ケースの内側に前記放熱面に対向するようにして、前記第1封止部材で封止された前記直列回路を構成する前記パワー半導体素子が配置されることを特徴とするパワー半導体装置。 - 請求項2乃至4に記載のパワー半導体装置において、
前記第1及び第2パワー半導体素子の駆動信号を伝達する制御端子と、
前記制御端子と金属接合により接続される制御端子用バスバーと、をさらに備え、
前記第2封止部材は、前記制御端子と前記制御端子用バスバーとの接続部をさらに封止することを特徴とするパワー半導体装置。 - 請求項5に記載のパワー半導体装置において、
前記制御端子と前記内部端子は、前記第1封止部材から同一方向にそれぞれ突出し、
前記制御端子及び前記内部端子のそれぞれの端部は、同一方向にそれぞれ折り曲げられ、
前記制御端子及び前記内部端子の折り曲げられた端部が、それぞれ前記制御端子用バスバーまたは前記外部端子と金属接続されることを特徴とするパワー半導体装置。 - 請求項5または6に記載のパワー半導体装置において、
前記制御端子と前記内部端子は、前記第1封止部材から突出する部分が一列に配置されることを特徴とするパワー半導体装置。 - 請求項2乃至7に記載のパワー半導体装置において、
前記第1封止部材から突出しており、前記直列回路により前記直流電力から変換された交流電力を出力するための出力端子と、
前記出力端子と金属接合により接続される出力バスバーと、をさらに備え、
前記第2封止部材は、前記出力端子と前記出力バスバーとの接続部をさらに封止することを特徴とするパワー半導体装置。 - 請求項2乃至8に記載のパワー半導体装置において、
前記ケースは、一つの開口面を有しており、
前記内部端子と前記外部端子との接続部は、前記開口面よりも前記ケースの内側に配置され、
前記外部端子は、前記開口面から前記ケースの外に延出することを特徴とするパワー半導体装置。 - 請求項2乃至9に記載のパワー半導体装置において、
前記外部端子を支持する支持部材をさらに備え、
前記支持部材は、前記ケースに固定されることを特徴とするパワー半導体装置。 - 請求項2乃至10に記載のパワー半導体装置において、
前記第2封止部材は、前記ケースの内側と前記第1封止部材との間の空間に充填されることを特徴とするパワー半導体装置。 - インバータ回路の上下アームをそれぞれ構成し、制御電極をそれぞれ有する第1及び第2のパワー半導体素子と、
前記第1及び第2のパワー半導体素子が有する前記制御電極とそれぞれ接続される第1及び第2の制御端子と、
前記第1及び第2のパワー半導体素子により構成される直列回路の正極側及び負極側とそれぞれ接続され、前記直列回路に直流電力を供給する正極端子及び負極端子と、
前記直列回路により前記直流電力から変換された交流電力を出力するための出力端子と、を備え、
前記第1の制御端子、前記第2の制御端子、前記正極端子、前記負極端子及び前記出力端子の各端子は、一列に並べて配列されており、
前記第1及び第2のパワー半導体素子が有する前記制御電極は、前記各端子の配列方向に直交する中心線に対していずれか一方に偏った位置にそれぞれ配置されており、
前記第1及び第2の制御端子は、前記第1及び第2のパワー半導体素子において前記制御電極が配置されている一方側にそれぞれ配置されており、
前記正極端子は、前記第1のパワー半導体素子において前記制御電極が配置されていない他方側に配置されており、
前記出力端子は、前記第2のパワー半導体素子において前記制御電極が配置されていない他方側に配置されており、
前記負極端子は、前記正極端子と前記第2の制御端子の間に配置されていることを特徴とするパワー半導体装置。 - 平滑用コンデンサと前記平滑用コンデンサに接続され直流電力から交流電力にあるいは交流電力から直流電力に変換するための複数のパワー半導体装置からなるブリッジ回路と前記パワー半導体装置を冷却する冷却媒体を流すための冷却流路形成体を備え、
前記パワー半導体装置は、
パワー半導体素子と、
前記パワー半導体素子を封止する第1封止部材と、
前記第1封止部材から突出する内部端子と、
前記内部端子に接続された外部端子と、
前記内部端子と前記外部端子との接続部を封止する第2封止部材と、
前記第1封止部材で封止された前記パワー半導体素子と前記内部端子を収納するケースと、を備え、前記外部端子が外に延出していることを特徴とする電力変換装置。 - 請求項13に記載された電力変換装置であって、
前記ケースはその外側に放熱用のフィンを有する放熱面が形成され、前記ケースの内側に前記放熱面に対向するようにして前記第1封止部材で封止された前記パワー半導体素子が配置され、前記外部端子が外に延出していることを特徴とする電力変換装置。 - 平滑用コンデンサと前記平滑用コンデンサに接続され直流電力から交流電力にあるいは交流電力から直流電力に変換するための複数のパワー半導体装置からなるブリッジ回路と前記パワー半導体装置を冷却する冷却媒体を流すための冷却流路形成体を備え、
前記パワー半導体装置は、
インバータの上アーム及び下アーム用の第1及び第2パワー半導体素子の直列回路と、
前記第1及び第2パワー半導体素子の直列回路を封止する第1封止部材と、
前記第1封止部材から突出する前記直列回路に直流電力を供給するための内部端子と、
前記内部端子に接続された積層構造の外部端子と、
前記内部端子と前記外部端子との接続部を封止する第2封止部材と、
前記第1封止部材で封止された前記パワー半導体素子と前記内部端子とを収納する金属製のケースと、を備え、
前記外部端子が外に延出する構造を成し、
前記内部端子に接続される直列回路を流れる電流により前記金属製のケースに渦電流が誘起され、前記積層構造の各外部端子を流れる電流により互いに相殺し合う方向の磁束を発生するようにした、
ことを特徴とする電力変換装置。 - 請求項15に記載された電力変換装置であって、
前記平滑用コンデンサは、その内部に配置され並列接続された複数のコンデンサセルと、直流電源に接続される為の電源端子と、前記パワー半導体装置の前記外部端子と接続される複数の積層構造の端子と、を有し、前記平滑用コンデンサの前記積層構造の端子がそれぞれ前記パワー半導体装置の外部端子に接続されていることを特徴とする電力変換装置。
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EP2416483A3 (en) | 2017-06-28 |
US20180303001A1 (en) | 2018-10-18 |
EP2416483A2 (en) | 2012-02-08 |
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JP6818785B2 (ja) | 2021-01-20 |
JP5744999B2 (ja) | 2015-07-08 |
JP2016182037A (ja) | 2016-10-13 |
JP6663810B2 (ja) | 2020-03-13 |
US10512181B2 (en) | 2019-12-17 |
JP7012813B2 (ja) | 2022-01-28 |
JP2015156800A (ja) | 2015-08-27 |
JP5380376B2 (ja) | 2014-01-08 |
EP2416483B1 (en) | 2019-08-07 |
EP3562020B1 (en) | 2022-04-20 |
JP2021052587A (ja) | 2021-04-01 |
CN102332831A (zh) | 2012-01-25 |
US20160007492A1 (en) | 2016-01-07 |
CN102332831B (zh) | 2014-08-20 |
US9179581B2 (en) | 2015-11-03 |
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