JP2015154079A - 低インダクタンス構成のモジュール内部負荷と補助接続装置を備えるパワー半導体モジュール - Google Patents
低インダクタンス構成のモジュール内部負荷と補助接続装置を備えるパワー半導体モジュール Download PDFInfo
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- JP2015154079A JP2015154079A JP2015023062A JP2015023062A JP2015154079A JP 2015154079 A JP2015154079 A JP 2015154079A JP 2015023062 A JP2015023062 A JP 2015023062A JP 2015023062 A JP2015023062 A JP 2015023062A JP 2015154079 A JP2015154079 A JP 2015154079A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 41
- 239000000758 substrate Substances 0.000 claims description 19
- 230000005669 field effect Effects 0.000 claims description 2
- 230000003071 parasitic effect Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
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Abstract
Description
a)制御ボンディングワイヤが、2つの付設の補助電位領域を相互に電気接続し、前記制御ボンディングワイヤに平行にパラレルボンディングワイヤが配置され、前記パラレルボンディングワイヤが負荷電位領域の一方のみに電気接続されていること、
b)直列配置の中央にない電力サブスイッチの、複数の付設された負荷ボンディングワイヤの、それぞれの第一のボンディングベースが、好ましくはすべて、付設された負荷ボンディングワイヤの直線の経路からずらして配置され、この直線の経路はそれぞれの電力サブスイッチの縁辺に対して垂直で、且つ電力サブスイッチの直列配置の中央に向いていること、
c)第二の負荷電位領域が電流の流れる方向を有し、負荷ボンディングワイヤの、第一のボンディングベースからそれに最も近い第二のボンディングベースまでのボンディングワイヤ区間の長さが、1つの電力サブスイッチより、電流の流れる方向にてそれに隣接する電力サブスイッチのほうが長いこと、
の少なくとも1つの構成を有する、から得られる。
2 基板
3、4 パワースイッチ
7 補助コネクタ装置
9 負荷ボンディングコネクタ(負荷コネクタ装置)
10、14 DC電圧負荷端子素子
20、22、24 負荷電位領域
30、32、34、36、40、42、44 電力サブスイッチ
50、51、53、54 補助端子素子
70 制御ボンディングワイヤ
80 パラレルボンディングワイヤ
90、92、94、96 負荷ボンディングワイヤ
220、240 電流の流れる方向
300、320、340 IGBT
302、322、342 フリーホイーリングダイオード
630、631 補助電位領域
800 距離
900、920、940、960 ボンディングワイヤ区間
950 第一のボンディングベース
951 第二のボンディングベース
Claims (8)
- 負荷端子素子(10、12、14)と補助端子素子(50、51、53、54)とを備え、低インダクタンス構成のモジュール内部負荷コネクタ装置(9)と補助コネクタ装置(7)とを備え、そして複数の負荷電位領域(20、22、24)と補助電位領域(630、631)を有する基板(2)を備えるパワー半導体モジュール(1)であって、直列に配置された複数の制御可能な電力サブスイッチ(30、32、34、36、40、42、44)として構成されたパワースイッチ(3、4)が第一の負荷電位領域(20、22)に配置されていて、それら電力サブスイッチがそれぞれ、平行に配置された複数の負荷ボンディングワイヤ(90、92、94、96)からなる付設の負荷ボンディングコネクタ(9)によって第二の負荷電位領域(22、24)に接続されていて、前記第二の負荷電位領域(22、24)の上に第一のボンディングベース(950)が配置されていて、前記電力サブスイッチのコンタクト領域に、それぞれの前記負荷ボンディングワイヤ(90、92、94、96)の、それに隣接する第二のボンディングベース(951)が配置されている、パワー半導体モジュールであって、次のa)からc)の構成、即ち、
a)制御ボンディングワイヤ(70)が、2つの付設の補助電位領域(630、631)を相互に電気接続し、前記制御ボンディングワイヤ(70)に平行にパラレルボンディングワイヤ(80)が配置され、前記パラレルボンディングワイヤが前記負荷電位領域(22)の一方のみに電気接続されていること、
b)直列配置の中央にない前記電力サブスイッチ(30、34)の、複数の付設された負荷ボンディングワイヤ(90、92、94、96)の、それぞれの第一のボンディングベース(950)が、付設された負荷ボンディングワイヤ(90、92、94、96)の直線の経路からずらして配置され、この直線の経路はそれぞれの電力サブスイッチ(30、34)の縁辺に対して垂直で、且つ電力サブスイッチ(30、32、34、36)の直列配置の中央に向いていること、
c)前記第二の負荷電位領域(22、24)が電流の流れる方向(220、240)を有し、前記負荷ボンディングワイヤ(90、92、94、96)の、前記第一のボンディングベース(950)からそれに最も近い前記第二のボンディングベース(951)までのボンディングワイヤ区間(900、920、940、960)の長さが、1つの電力サブスイッチより、前記電流の流れる方向(220、240)にてそれに隣接する前記電力サブスイッチのほうが長いこと、
の少なくとも1つの構成を有する、パワー半導体モジュール。 - 前記付設の負荷ボンディングワイヤ(90、92、94、96)の第一のボンディングベース(950)すべてが、前記電力サブスイッチ(30、32、34)の直列配置の中央に対しずらして配置されている、請求項1に記載のパワー半導体モジュール。
- 制御可能な電力サブスイッチ(30、32、34、36、40、42、44)が電界効果トランジスタとして、特にMOS−FETとして、あるいはバイポーラトランジスタとして、特にIGBT(300、320、340)として、逆平行に接続されたフリーホイーリングダイオード(302、322、342)を備えて、構成されている、請求項1または2に記載のパワー半導体モジュール。
- 負荷電位領域(20、22、24)が正または負のDC電圧電位、またはAC電圧電位を有する、請求項1〜3のいずれか一項に記載のパワー半導体モジュール。
- 補助電位領域(630、631)が駆動電位を有する、請求項1〜4のいずれか一項に記載のパワー半導体モジュール。
- パラレルボンディングワイヤ(80)が付設の制御ボンディングワイヤ(70)の80%〜120%の長さ、特に90%〜110%の長さを有する、請求項1〜5のいずれか一項に記載のパワー半導体モジュール。
- 前記制御ボンディングワイヤ(70)の電位と前記パラレルボンディングワイヤ(80)の電位との間の電位差が、特に50V以下と低い場合、両方が、前記基板(2)の機械的境界条件から容認されるかぎり相互に近接して配置されている、請求項1〜6のいずれか一項に記載のパワー半導体モジュール。
- パラレルボンディングワイヤ(80)が最大で、付設の制御ボンディングワイヤ(70)からの最小安全距離の1.5倍の距離(800)にある、請求項1〜7のいずれか一項に記載のパワー半導体モジュール。
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