JP6645924B2 - 半導体装置及び電力変換装置 - Google Patents
半導体装置及び電力変換装置 Download PDFInfo
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—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
- H02M7/53—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
- 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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- H01L29/063—Reduced surface field [RESURF] pn-junction structures
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- H01L29/872—Schottky diodes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
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- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
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- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Power Conversion In General (AREA)
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- Inverter Devices (AREA)
- Junction Field-Effect Transistors (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
本実施形態の半導体装置は、第1の電極、第2の電極、及び、ゲート電極を有するトランジスタと、ゲート電極に電気的に接続される電気抵抗と、第1の電極に電気的に接続されたアノードと、電気抵抗とゲート電極との間に電気的に接続されたカソードとを有するダイオードと、電気抵抗と並列に接続されたコンデンサと、を備える。
本実施形態の半導体装置は、ダイオードがPINダイオードであること以外は、第1の実施形態と同様である。以下、第1の実施形態と重複する内容については記述を省略する。
本実施形態の半導体装置は、フェライトビーズインダクタを備えないこと以外は、第1の実施形態と同様である。以下、第1の実施形態と重複する内容については記述を省略する。
本実施形態の半導体装置は、フェライトビーズインダクタが電気抵抗とダイオードのカソードとの間に電気的に接続されること以外は、第1の実施形態と同様である。以下、第1の実施形態と重複する内容については記述を省略する。
本実施形態の半導体装置は、コンデンサが、電気抵抗及びフェライトビーズインダクタに並列に接続され、フェライトビーズインダクタとゲート電極との間にカソードが電気的に接続されること以外は、第1の実施形態と同様である。以下、第1の実施形態と重複する内容については記述を省略する。
本実施形態の電力変換装置及び駆動装置は、第1の実施形態の半導体装置を備える。
第1の実施形態と同様、すなわち、ダイオード30、コンデンサ40、フェライトビーズインダクタ50を有する回路構成を用いた。ダイオード30は、ショットキーバリアダイオードを用いた。コンデンサ40の容量は100pFとした。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
第2の実施形態と同様、すなわち、ダイオード30、コンデンサ40、フェライトビーズインダクタ50を有する回路構成を用いた。ダイオード30は、PINダイオードを用いた。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
第2の実施形態と同様、すなわち、ダイオード30、コンデンサ40、フェライトビーズインダクタ50を有する回路構成を用いた。ダイオード30は、実施例2よりも定格電流の小さい小信号PINダイオードを用いた。
第3の実施形態と同様、すなわち、フェライトビーズインダクタ50は用いず、ダイオード30及びコンデンサ40を有する回路構成を用いた。ダイオード30は、ショットキーバリアダイオードを用いた。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
第1の実施形態の比較形態と同様、すなわち、ダイオード30、コンデンサ40、フェライトビーズインダクタ50を有しない回路構成を用いた。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
比較例1にダイオード30のみ適用した回路構成、すなわち、実施例1の回路構成からコンデンサ40及びフェライトビーズインダクタ50を除いた回路構成を用いた。ダイオード30は、ショットキーバリアダイオードを用いた。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
比較例1にコンデンサ40のみ適用した回路構成、すなわち、実施例1の回路構成からダイオード30及びフェライトビーズインダクタ50を除いた回路構成を用いた。上記回路構成で、トランジスタ10のターンオフ時のゲート電圧Vgsの変化を測定した。
11 ソース電極(第1の電極)
12 ドレイン電極(第2の電極)
13 ゲート電極
20 電気抵抗
30 ダイオード
31 アノード
32 カソード
40 コンデンサ
50 チップビーズインダクタ
60 寄生インダクタンス
Claims (11)
- 第1の電極、第2の電極、及び、ゲート電極を有するトランジスタと、
前記ゲート電極に電気的に接続される電気抵抗と、
前記第1の電極に電気的に接続されたアノードと、前記電気抵抗と前記ゲート電極との間に電気的に接続されたカソードとを有するダイオードと、
前記電気抵抗と並列に接続されたコンデンサと、
前記電気抵抗と前記ゲート電極との間に電気的に接続されたフェライトビーズインダクタと、
を備え、
前記コンデンサの容量が前記トランジスタの入力容量の1/3以下である半導体装置。 - 前記ダイオードはショットキーバリアダイオードである請求項1記載の半導体装置。
- 前記コンデンサが、前記電気抵抗及び前記フェライトビーズインダクタに並列に接続され、前記フェライトビーズインダクタと前記ゲート電極との間に前記カソードが電気的に接続された請求項1又は請求項2記載の半導体装置。
- 第1の電極、第2の電極、及び、ゲート電極を有するトランジスタと、
前記ゲート電極に電気的に接続される電気抵抗と、
前記第1の電極に電気的に接続されたアノードと、前記電気抵抗と前記ゲート電極との間に電気的に接続されたカソードとを有するダイオードと、
前記電気抵抗と並列に接続されたコンデンサと、
前記電気抵抗と前記ゲート電極との間に電気的に接続されたフェライトビーズインダクタと、を備え、
前記ダイオードはショットキーバリアダイオードであり、
前記コンデンサが、前記電気抵抗及び前記フェライトビーズインダクタに並列に接続され、前記フェライトビーズインダクタと前記ゲート電極との間に前記カソードが電気的に接続された半導体装置。 - 前記コンデンサの容量が前記トランジスタの入力容量の1/3以下である請求項4記載の半導体装置。
- 前記第2の電極と前記第1の電極との間に流れる電流の時間変化率が206A(アンペア)/μsec(マイクロ秒)以上である請求項1乃至請求項5いずれか一項記載の半導体装置。
- 前記アノードと前記第1の電極との間に10nH以上の寄生インダクタンスを、更に備える請求項1乃至請求項6いずれか一項記載の半導体装置。
- 前記トランジスタがシリコンを用いたスーパージャンクション構造のMOSFET(Metal Oxide Semiconductur Field Effect Transistor)である請求項1乃至請求項7いずれか一項記載の半導体装置。
- 前記トランジスタが窒化物半導体を用いたFET(Field Effect Transistor)である請求項1乃至請求項7いずれか一項記載の半導体装置。
- 前記トランジスタが炭化珪素を用いたMOSFETである請求項1乃至請求項7いずれか一項記載の半導体装置。
- 請求項1乃至請求項10いずれか一項記載の半導体装置を備える電力変換装置。
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JP2016137390A JP6645924B2 (ja) | 2016-07-12 | 2016-07-12 | 半導体装置及び電力変換装置 |
US15/424,122 US10263538B2 (en) | 2016-07-12 | 2017-02-03 | Semiconductor device and power conversion device |
CN201710085294.6A CN107611177B (zh) | 2016-07-12 | 2017-02-17 | 半导体装置以及电力转换装置 |
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WO2023037635A1 (ja) | 2021-09-13 | 2023-03-16 | オムロン株式会社 | スイッチング回路および電力変換器 |
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US10242202B1 (en) * | 2017-09-15 | 2019-03-26 | Respond Software, Inc. | Apparatus and method for staged graph processing to produce a risk inference measure |
WO2019167446A1 (ja) * | 2018-02-28 | 2019-09-06 | パナソニックIpマネジメント株式会社 | スイッチング回路 |
JP7224918B2 (ja) * | 2019-01-04 | 2023-02-20 | 株式会社東芝 | 半導体装置及び半導体パッケージ |
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WO2023037635A1 (ja) | 2021-09-13 | 2023-03-16 | オムロン株式会社 | スイッチング回路および電力変換器 |
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US10263538B2 (en) | 2019-04-16 |
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