JP7409526B2 - 半導体モジュール - Google Patents
半導体モジュール Download PDFInfo
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- JP7409526B2 JP7409526B2 JP2022581222A JP2022581222A JP7409526B2 JP 7409526 B2 JP7409526 B2 JP 7409526B2 JP 2022581222 A JP2022581222 A JP 2022581222A JP 2022581222 A JP2022581222 A JP 2022581222A JP 7409526 B2 JP7409526 B2 JP 7409526B2
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- 239000004065 semiconductor Substances 0.000 title claims description 126
- 229920005989 resin Polymers 0.000 claims description 104
- 239000011347 resin Substances 0.000 claims description 104
- 239000000463 material Substances 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 27
- 229910052710 silicon Inorganic materials 0.000 claims description 27
- 239000010703 silicon Substances 0.000 claims description 27
- 230000035699 permeability Effects 0.000 claims description 26
- 230000008859 change Effects 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 44
- 239000000758 substrate Substances 0.000 description 31
- 230000006378 damage Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Description
特許文献1 特開平7-99275号公報
特許文献2 特開平10-173126号公報
Claims (14)
- 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記インダクタの配線は、上面視において前記収容空間を囲んで設けられる
半導体モジュール。 - 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記樹脂ケースは、前記出力素子を含む回路を囲む4つの側壁を有し、
前記インダクタの配線は、前記4つの側壁のうちの第1の側壁における始点から、他の3つの前記側壁を経由して、前記第1の側壁における終点まで引き回されている
半導体モジュール。 - 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記インダクタの配線は、前記樹脂ケースの樹脂部分に埋め込まれており、
前記樹脂ケースおよび前記収容空間に設けられ、前記出力端子と電気的に接続する接続部を更に備え、
前記インダクタの配線は、前記接続部より前記樹脂ケースの外側に設けられる
半導体モジュール。 - 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記インダクタの配線は、前記樹脂ケースの樹脂部分に埋め込まれており、
前記インダクタの配線の巻き数は、少なくとも1以上である
半導体モジュール。 - 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記出力素子を封止する封止樹脂を更に備え、
前記封止樹脂は、
シリコンゲルを含むシリコンゲル層と、
前記シリコンゲル層の上方に設けられ、前記シリコンゲルより透磁率の高い材料を含む高透磁率層と
を有する
半導体モジュール。 - 上アームおよび下アームを構成し、複数設けられた出力素子と、
前記出力素子を収容する収容空間を囲んで設けられた樹脂ケースと、
前記上アームおよび前記下アームを接続するアーム間配線と
前記アーム間配線と接続し、前記出力素子からの出力電流をモジュール外部の負荷に出力する出力端子と、
前記アーム間配線と接続し、前記出力素子に流れる電流を検知するセンス端子と、
前記アーム間配線の接続点と、前記出力端子の間に設けられるインダクタと
を備え、
前記インダクタのインダクタンスは、1μH以上であり、
前記樹脂ケースの樹脂部分には、シリコンゲルより透磁率の高い材料が設けられている
半導体モジュール。 - 前記材料は、上面視において前記収容空間を囲んで設けられる
請求項6に記載の半導体モジュール。 - 前記インダクタのインダクタンスは、前記負荷のインダクタンスの1/10以下である
請求項1から7のいずれか一項に記載の半導体モジュール。 - 前記インダクタは、前記アーム間配線の接続点と、前記センス端子の間に設けられない
請求項1から8のいずれか一項に記載の半導体モジュール。 - 前記出力素子は、外部の制御部によって制御され、
前記制御部は、前記負荷が短絡した場合に、前記短絡を検知し、前記出力素子が飽和電流に達するまでに、前記出力素子を遮断する遮断信号を出力する
請求項1から9のいずれか一項に記載の半導体モジュール。 - 前記負荷が短絡した場合の出力電流の変化の傾きdi/dtは、前記出力素子の定格電流をAとした場合、di/dt<2A×105A/sである
請求項1から10のいずれか一項に記載の半導体モジュール。 - 前記樹脂ケースの内部には、シリコンゲルより透磁率の高い材料が設けられている
請求項1から5のいずれか一項に記載の半導体モジュール。 - 前記出力素子は、SiCMOSFETである
請求項1から12のいずれか一項に記載の半導体モジュール。 - 前記アーム間配線の少なくとも一部は、前記出力素子が配置される配線パターンである回路パターンであり、
前記アーム間配線と前記出力端子の接続点は、前記回路パターン上に設けられる
請求項1から13のいずれか一項に記載の半導体モジュール。
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