JP2023512274A - 自由構成可能なパワー半導体モジュール - Google Patents
自由構成可能なパワー半導体モジュール Download PDFInfo
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- JP2023512274A JP2023512274A JP2022546497A JP2022546497A JP2023512274A JP 2023512274 A JP2023512274 A JP 2023512274A JP 2022546497 A JP2022546497 A JP 2022546497A JP 2022546497 A JP2022546497 A JP 2022546497A JP 2023512274 A JP2023512274 A JP 2023512274A
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- 230000001419 dependent effect Effects 0.000 description 2
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Abstract
Description
この発明は、パワーエレクトロニクスの分野に関する。特に、この発明は、パワー半導体モジュールに関する。
マルチチップパワー半導体モジュールは通常、(ハーフブリッジ構成などの)定義されたトポロジのために設計されており、パワー半導体チップ同士が並列に接続されて制御されるため、チップの個々の情報を抽出することを可能にしないかもしれない。さまざまな個々のモジュールを使用することによって、複雑なトポロジを実現する必要がある。パワーモジュール端子は典型的には、(搭載温度およびチップ電流などの)チップ個々の診断信号の抽出を可能にしないかもしれない基本接続に制限されている。
この発明の目的は、設置面積が小さく、浮遊インダクタンスが低い、構成可能なパワー半導体モジュールを提供することである。
アダプタボードは、半導体チップの上に配置されてもよく、および/または、半導体チップのすべての制御信号およびセンサ信号に接合されてもよい。アダプタボードは、フレキシブルなトポロジ構成および/または診断信号抽出を可能にし得る。
この発明の主題を、添付図面に示す例示的な実施形態を参照して、以下の文章においてより詳細に説明する。
図1は、ゲートドライバボード12が取り付けられたパワー半導体モジュール10の上面図を示し、一方、図2は、パワー半導体モジュール10の断面図を示す。
図2に戻って、補助端子は、ゲートドライバボード12から突出するピン56が差し込まれ得る圧入プラグを含み得る。ピン56は、垂直ポスト34、36、38、40と同様に、ボード12、14、16に対して垂直に整列され、および/または、ゲートドライバボード12のアダプタボード14に面する側から突出し得る。反対側に、ゲートドライバボード12は、制御コンポーネント、センサ信号を評価するためのコンポーネント、および/または、コンデンサおよび抵抗器などの受動素子といった、ゲートドライバコンポーネント58を含み得る。
10 パワー半導体モジュール
12 ゲートドライバボード
14 アダプタボード
16 半導体ボード
18 基板
20 金属化層
20a、20b、20c エリア
22 金属化層
24 半導体チップ
26 第1のパワー電極
28 第2のパワー電極
30 制御電極
32 センサ
33 接触エリア
34 垂直ポスト
36 垂直ポスト
38 垂直ポスト
40 垂直ポスト
42 パワー端子
44 補助端子
46 端子エリア
46a、46b、46c 領域
48 列
50 コネクタ
52 プラグコネクタ
54 モジュール端子
56 ピン
58 ゲートドライバコンポーネント
60 ハウジング
62 ヘッド、キャップ
64 チップスケールパッケージ
65 リードフレームおよび/またはベースプレート
66 成形および/またはPCBカプセル封入
68 接合エリア
70 多層回路基板
72 リードフレーム。
Claims (14)
- パワー半導体モジュール(10)であって、
少なくとも2つの半導体チップ(24)を含む少なくとも1つの半導体ボード(16)を含み、各半導体チップ(24)は2つのパワー電極(26、28)を有し、前記パワー半導体モジュール(10)はさらに、
前記少なくとも2つの半導体チップ(24)の上方で前記半導体ボード(16)に取り付けられたアダプタボード(14)を含み、前記アダプタボード(14)は、前記半導体ボード(16)から遠い方の側に、各半導体チップ(24)のための端子エリア(46)を含み、
前記アダプタボード(14)は、各端子エリア(46)において、前記端子エリア(46)に関連付けられた前記半導体チップ(24)の各パワー電極(26、28)のためのパワー端子(42)を提供し、
各パワー端子(42)は、前記端子エリア(46)の下方の導電性の垂直ポスト(34、36)を介して、前記半導体チップ(24)と電気的に接続され、
前記パワー端子(42)の各々は、少なくとも2つのプラグコネクタ(52)を有し、
前記アダプタボード(14)は、異なる半導体チップ(24)のパワー電極(26、28)を電気的に接続するための2つのプラグコネクタ(52)を相互接続するためのジャンパーコネクタ(50)を含む、パワー半導体モジュール(10)。 - 前記アダプタボード(14)は、前記端子エリア(46)に関連付けられた前記半導体チップ(24)のうちの少なくとも1つの前記端子エリア(46)において、少なくとも1つの補助端子(44)を提供し、その補助端子(44)は、前記端子エリア(46)の下方の導電性の垂直ポスト(38、40)に接続される、請求項1に記載のパワー半導体モジュール(10)。
- 前記端子エリア(46)に関連付けられた前記半導体チップ(24)のうちの少なくとも1つは制御電極(30)を含み、前記補助端子(44)のうちの1つは、その導電性の垂直ポスト(38)を用いて、前記半導体チップ(24)の前記制御電極(30)と電気的に接続される、請求項2に記載のパワー半導体モジュール(10)。
- 前記半導体ボード(16)は、前記端子エリア(46)に関連付けられた前記半導体チップ(24)のうちの少なくとも1つのためのセンサ(32)を含み、
補助端子(44)は、その導電性の垂直ポスト(40)を介して、前記センサ(32)に電気的に接続される、請求項2または3に記載のパワー半導体モジュール(10)。 - 前記センサ(32)は、温度センサおよび電流センサのうちの1つである、請求項4に記載のパワー半導体モジュール(10)。
- 補助端子(44)は、導電性の垂直ポスト(34、36)を介して、前記端子エリア(46)に関連付けられた前記半導体チップ(24)のうちの少なくとも1つのパワー電極(26、28)と電気的に接続される、請求項2~5のいずれか1項に記載のパワー半導体モジュール(10)。
- パワー端子(42)は、それぞれの前記端子エリア(46)の外側領域(46c)に配置され、前記外側領域(46c)は、前記アダプタボード(14)の境界に配置される、先行する請求項のいずれか1項に記載のパワー半導体モジュール(10)。
- 少なくとも1つの補助端子(44)は、前記端子エリア(46)の内側領域(46a)に配置され、前記外側領域(46c)は、前記アダプタボード(14)の前記境界と前記内側領域(46a)との間に配置される、請求項7に記載のパワー半導体モジュール(10)。
- 前記端子エリア(46)は、前記アダプタボード(14)上に少なくとも1列(48)で配置される、先行する請求項のいずれか1項に記載のパワー半導体モジュール(10)。
- 前記半導体ボード(16)は、前記少なくとも2つの半導体チップ(24)が接合される構造化金属化層(20)を有する基板(18)を含む、先行する請求項のいずれか1項に記載のパワー半導体モジュール(10)。
- 前記垂直ポスト(34、36)はピンであり、前記ピンは、前記半導体ボード(16)によって提供された接触エリア(28、30、33)上に前記ピンが押し込まれるように、前記アダプタボード(14)に接続され、
各垂直ポスト(34、36)のヘッドは、前記半導体ボード(16)のそれぞれの前記接触エリア(28、30、33)に接合される、請求項10に記載のパワー半導体モジュール(10)。 - 前記半導体ボード(16)は、各半導体チップ(24)のためのチップスケールパッケージ(64)を含み、
各チップスケールパッケージ(64)は、少なくとも1つの半導体チップ(24)と、前記半導体チップ(24)に接続された前記垂直ポスト(34、36)と、前記半導体チップ(24)および前記垂直ポスト(34、36)が埋め込まれる成形カプセル封入(66)とを含み、
各チップパッケージ(64)は、前記垂直ポスト(34、36)が電気的に接続される接合エリア(68)を提供し、
前記アダプタボード(14)は、前記チップスケールパッケージ(64)の前記接合エリア(68)に接合される、請求項1~9のいずれか1項に記載のパワー半導体モジュール(10)。 - 前記アダプタボード(14)および前記半導体ボード(16)は、前記少なくとも2つの半導体チップ(24)が埋め込まれた多層回路基板(70)によって提供され、
前記垂直ポスト(34、36)は、前記多層回路基板(70)の貫通バイアである、請求項1~9のいずれか1項に記載のパワー半導体モジュール(10)。 - 前記アダプタボード(14)に取り付けられたゲートドライバボード(12)をさらに含み、
垂直ピンが、前記ゲートドライバボード(12)を、前記アダプタボード(14)上の補助端子(44)と相互接続し、
前記ゲートドライバボード(12)は、前記端子エリア(46)の前記パワー端子(42)の一部のみを覆う、先行する請求項のいずれか1項に記載のパワー半導体モジュール(10)。
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