JP6893169B2 - パワーモジュールおよび電力変換装置 - Google Patents
パワーモジュールおよび電力変換装置 Download PDFInfo
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- 229910000679 solder Inorganic materials 0.000 description 1
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
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- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
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- H01L2224/02—Bonding areas; Manufacturing methods related thereto
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- H01L2224/06—Structure, shape, material or disposition of the bonding areas prior to the connecting process of a plurality of bonding areas
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4911—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
- H01L2224/49111—Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting two common bonding areas, e.g. Litz or braid wires
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- H01L2224/42—Wire connectors; Manufacturing methods related thereto
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- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Power Conversion In General (AREA)
Description
図1は本発明の実施の形態1のパワーモジュールの構造の一例を示す平面図、図2は図1に示すパワーモジュールの回路図である。
図9は本発明の実施の形態2のパワーモジュールの構造の一例を示す平面図、図10は図9に示すパワーモジュールの回路図である。
図11は本発明の実施の形態3のパワーモジュールの構造の一例を示す平面図、図12は図11に示すパワーモジュールの回路図である。
101 放熱ベース
102 絶縁基板(基板)
103 絶縁層
104 ゲート配線パターン
105 ソースセンス配線パターン
106 ドレイン配線パターン
107 ソース配線パターン
108 スイッチング素子(トランジスタ、半導体チップ)
108a 第1のスイッチング素子(第1の半導体チップ)
108b 第2のスイッチング素子(第2の半導体チップ)
108c 第3のスイッチング素子(第3の半導体チップ)
108e、108f、108i ソースパッド
108g、108h、108j ゲートパッド
108k ゲート電極
109 ゲート抵抗
109a 第1のゲート抵抗(チップ抵抗)
109b 第2のゲート抵抗(チップ抵抗)
109c 第3のゲート抵抗(チップ抵抗)
109e、109f、109g ゲート抵抗パッド
110 ゲートワイヤ
111 ソースセンスワイヤ
112 ソースワイヤ
201 ドレイン端子
202 ソース端子
203 ゲート端子
301 ボディダイオード
301a 第1のボディダイオード(ダイオード)
301b 第2のボディダイオード(ダイオード)
301c 第3のボディダイオード(ダイオード)
302 MOSFET
302a 第1のMOSFET
302b 第2のMOSFET
302c 第3のMOSFET
401 ソース電極
402 N+層
403 P+層
404 Pボディ層
405 N-層
406 N+基板層
407 ドレイン電極
408 ゲート電極
409 ゲート絶縁膜
410 溝
411 エピタキシャル層
500 半導体ウエハ
501 スクライブライン
502 チップ領域
503 基底面転位
600、700 パワーモジュール
1101 電力変換装置
1102 配線(第1の配線)
1103 配線(第2の配線)
1104 負荷
Claims (11)
- 相互に電気的に接続されたダイオードおよびトランジスタがそれぞれに内蔵され、かつ電気的に並列接続された複数の半導体チップと、
前記複数の半導体チップが搭載された基板と、
を有し、
前記複数の半導体チップのそれぞれが有する前記トランジスタのゲート電極のそれぞれは、ゲート抵抗に電気的に接続されており、
前記複数の半導体チップのうちの何れか2つの半導体チップにおいて、前記ダイオードの順方向に所定の電圧を印加した際の電流値が小さい方の半導体チップに電気的に接続されているゲート抵抗は、前記ダイオードの順方向に前記所定の電圧を印加した際の電流値が大きい方の半導体チップに電気的に接続されているゲート抵抗より大きく、
前記複数の半導体チップのそれぞれに前記ゲート抵抗が内蔵されている、パワーモジュール。 - 請求項1に記載のパワーモジュールにおいて、
前記ゲート抵抗は、チップ抵抗である、パワーモジュール。 - 請求項1に記載のパワーモジュールにおいて、
前記複数の半導体チップのそれぞれは、エピタキシャル層を備えたMOSFETを有している、パワーモジュール。 - 請求項1に記載のパワーモジュールにおいて、
前記複数の半導体チップのそれぞれは、エピタキシャル層を備えたMOSFETを有しており、
前記複数の半導体チップのうち、抵抗値が大きい方の前記ゲート抵抗が内蔵されている半導体チップが有する前記MOSFETの抵抗は、抵抗値が小さい方の前記ゲート抵抗が内蔵されている半導体チップが有する前記MOSFETの抵抗より大きい、パワーモジュール。 - 請求項1に記載のパワーモジュールにおいて、
前記複数の半導体チップのそれぞれは、炭化ケイ素からなる、パワーモジュール。 - 相互に電気的に接続されたダイオードおよびトランジスタがそれぞれに内蔵され、かつ電気的に並列接続された第1および第2の半導体チップと、
前記第1および第2の半導体チップが搭載された基板と、
を有し、
前記第1および第2の半導体チップのそれぞれが有する前記トランジスタのゲート電極のそれぞれは、ゲート抵抗に電気的に接続されており、
前記第1および第2の半導体チップのうち、前記ダイオードの順方向に所定の電圧を印加した際の電流値が小さい方の半導体チップに電気的に接続されているゲート抵抗は、前記ダイオードの順方向に前記所定の電圧を印加した際の電流値が大きい方の半導体チップに電気的に接続されているゲート抵抗より大きく、
前記第1および第2の半導体チップのそれぞれに前記ゲート抵抗が内蔵されている、パワーモジュール。 - 請求項6に記載のパワーモジュールにおいて、
前記ゲート抵抗は、チップ抵抗である、パワーモジュール。 - 請求項6に記載のパワーモジュールにおいて、
前記第1および第2の半導体チップのそれぞれは、エピタキシャル層を備えたMOSFETを有している、パワーモジュール。 - 請求項6に記載のパワーモジュールにおいて、
前記第1および第2の半導体チップのそれぞれは、エピタキシャル層を備えたMOSFETを有しており、
前記第1および第2の半導体チップのうち、抵抗値が大きい方の前記ゲート抵抗が内蔵されている半導体チップが有する前記MOSFETの抵抗は、抵抗値が小さい方の前記ゲート抵抗が内蔵されている半導体チップが有する前記MOSFETの抵抗より大きい、パワーモジュール。 - 請求項6に記載のパワーモジュールにおいて、
前記第1および第2の半導体チップのそれぞれは、炭化ケイ素からなる、パワーモジュール。 - 第1の配線と、
前記第1の配線より電位が低い第2の配線と、
前記第1の配線と前記第2の配線との間に配置され、かつ前記第1および第2の配線と電気的に接続されたハイサイド用トランジスタ部と、
前記第1の配線と前記第2の配線との間に配置されるとともに前記第1および第2の配線と電気的に接続され、かつ前記ハイサイド用トランジスタ部と直列に電気的に接続されたローサイド用トランジスタ部と、
を有し、
前記ハイサイド用トランジスタ部および前記ローサイド用トランジスタ部のそれぞれに、複数のトランジスタが電気的に並列接続されているとともに、前記複数のトランジスタのそれぞれは、ダイオードと電気的に接続され、さらに、前記複数のトランジスタのそれぞれのゲート電極は、ゲート抵抗に電気的に接続されており、
前記ハイサイド用トランジスタ部および前記ローサイド用トランジスタ部のそれぞれにおいて、前記ダイオードの順方向に所定の電圧を印加した際の電流値が小さい方のトランジスタに電気的に接続されているゲート抵抗は、前記ダイオードの順方向に前記所定の電圧を印加した際の電流値が大きい方のトランジスタに電気的に接続されているゲート抵抗より大きい、電力変換装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017248696A JP6893169B2 (ja) | 2017-12-26 | 2017-12-26 | パワーモジュールおよび電力変換装置 |
DE102018131999.1A DE102018131999B4 (de) | 2017-12-26 | 2018-12-12 | Leistungsmodul und leistungwandler |
US16/217,398 US10692860B2 (en) | 2017-12-26 | 2018-12-12 | Power module and power converter |
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