JP4875380B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP4875380B2 JP4875380B2 JP2006048577A JP2006048577A JP4875380B2 JP 4875380 B2 JP4875380 B2 JP 4875380B2 JP 2006048577 A JP2006048577 A JP 2006048577A JP 2006048577 A JP2006048577 A JP 2006048577A JP 4875380 B2 JP4875380 B2 JP 4875380B2
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- wiring
- low
- driver
- power mosfet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08142—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
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- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
- H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
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Description
図1は本発明の実施の形態1の半導体装置であるMCM(MCM:Multi-Chip Module )1を、表面の封止体を透過して示す平面図、図2は図1に示すA−A線に沿って切断した断面の構造を示す断面図、図3は図1に示すMCM1の裏面の構造を示す平面図、図4はMCM1のハイサイドパワーMOSFETチップに使われるnチャネル型の縦型電界効果トランジスタの単位セル構造を示す略断面図、図5はMCM1の外観斜視図、図6は図1に示すMCM1を用いた非絶縁型DC−DCコンバータの等価回路の一例を示す回路図である。
図13は本発明の実施の形態2のMCM1cを、表面の封止体を透過して示す平面図である。図13において、図1と同一の符号の説明は省略する。
図14は本発明の実施の形態3のMCM1dを、表面の封止体を透過して示す平面図である。図14において、図1と同一の符号の説明は省略する。
図15は本発明の実施の形態4のMCM1eを、表面の封止体を透過して示す平面図である。図15において、図1と同一の符号の説明は省略する。
図16は本発明の実施の形態5のMCM1fを、表面の封止体を透過して示す平面図である。図16において、図1と同一の符号の説明は省略する。
図17は本発明の実施の形態6のMCM1gを、表面の封止体を透過して示す平面図である。図17において、図1と同一の符号の説明は省略する。
図19は本発明の実施の形態7のMCM1hを、表面の封止体を透過して示す平面図である。図19において、図1と同一の符号の説明は省略する。
単位セルC70において、電流はソース電極側(C78側)からドレイン電極側(C79側)へと縦方向に流れる。
本発明の実施の形態1〜7で説明したMCM1〜MCM1hに搭載されるドライバICチップ30は、ハイサイドパワーMOSFETチップ10のゲートを駆動する出力段のpチャネル型パワーMOSFETおよびnチャネル型パワーMOSFET(2つのパワーMOSFETでインバータを形成する)、ローサイドパワーMOSFETチップ20のゲートを駆動する出力段のpチャネル型パワーMOSFETおよびnチャネル型パワーMOSFET等により構成される。
そして、3層目のメタル配線M3の膜厚を、1層目のメタル配線M1および2層目のメタル配線M2よりも厚くすることができるので、オン抵抗の約40%を占める配線抵抗を2層構造の場合と比較して半分以下にすることができる。
2 封止体(封入用絶縁樹脂)
3 電源電圧端子、ブート端子、電圧確認用端子、制御信号入力端子
3ha、3hb 出力端子
3la 出力端子(第1出力端子)
3lb 出力端子(第2出力端子)
10 ハイサイドパワーMOSFETチップ(ハイサイドスイッチング素子)
11、21 ゲート端子
12、22 ソース端子
13、23 ゲートフィンガ
14、24 ドレイン端子
15、16、25、35 ワイヤ
20 ローサイドパワーMOSFETチップ(ローサイドスイッチング素子)
30 ドライバICチップ
40 コイルL
42 入力コンデンサ(Cin)
43 出力コンデンサ(Cout)
44 負荷回路
50 非絶縁型DC−DCコンバータ
51 制御回路
60 ハイサイドパワーMOSFETチップ(ハイサイド横型スイッチング素子)
70 ハイサイドパワーMOSFETチップ(pチャネル型ハイサイド縦型スイッチング素子)
100、110、111、120、122、130 板状リード部
101 外部接続端子
121 出力側板状リード部を広げた凸領域
150、250 板状導電性部材
DLa 配線(第1配線)
DLb 配線(第2配線)
DL 配線(DLa、DLbの総称)(第1導電性部材)
DHa 配線
DHb 配線
DH 配線(DHa、DHbの総称)(第2導電性部材)
Dp1,Dp2 寄生ダイオード
ET1,ET2 電源端子
GND 基準電位
Lx 出力ノード
L100
L100'
VIN 入力電源
VDIN 入力電源
S、D 配線
M1、M2、M3 メタル配線
TH1、TH2、TH3 スルーホール
SUB 基板
Claims (10)
- 第1電源端子と出力ノードとの間に接続されたハイサイドスイッチング素子と、
前記出力ノードと第2電源端子との間に接続されたローサイドスイッチング素子と、
前記ハイサイドスイッチング素子と前記ローサイドスイッチング素子のオン、オフを制御するドライバICとを有する半導体装置であって、
前記ハイサイドスイッチング素子と前記ドライバICとが、ともに前記ローサイドスイッチング素子と対向する側面を有するように配置され、
前記ドライバICの出力端子と前記ローサイドスイッチング素子の端子とを接続する第1導電性部材の長さが、前記ドライバICの出力端子と前記ハイサイドスイッチング素子の端子とを接続する第2導電性部材の長さよりも短いことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1導電性部材がワイヤであり、
前記第2導電性部材がワイヤであり、
前記第1導電性部材の配線本数が前記第2導電性部材の配線本数よりも多いことを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第1導電性部材は、
前記ドライバICの第1出力端子と前記ローサイドスイッチング素子のゲート端子とを接続し、かつワイヤである第1配線と、
前記ドライバICの第2出力端子と前記ローサイドスイッチング素子のソース端子とを接続し、かつワイヤである第2配線とを有し、
前記第1配線または前記第2配線のうち、少なくともいずれか一方の配線長が1.5mm以下であり、
前記第1配線または前記第2配線のうち、少なくともいずれか一方の配線本数が2本以上であることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記ハイサイドスイッチング素子がハイサイド縦型スイッチング素子であり、
前記ローサイドスイッチング素子が、前記ハイサイド縦型スイッチング素子と同導電型のチャネルを有するローサイド縦型スイッチング素子であり、
前記半導体装置は、
前記ハイサイド縦型スイッチング素子の裏面側の電極と接続し、かつ前記ハイサイド縦型スイッチング素子を搭載する入力側板状リード部と、
前記ローサイド縦型スイッチング素子の裏面側の電極と接続し、かつ前記ローサイド縦型スイッチング素子を搭載する出力側板状リード部と、
前記ドライバICを搭載するドライバ側板状リード部と、
接地側板状リード部とを有することを特徴とする半導体装置。 - 請求項4記載の半導体装置において、
前記ローサイド縦型スイッチング素子のゲート端子を、前記ローサイド縦型スイッチング素子の平面の辺のうち、前記ドライバICの平面の一辺と対向する第1の辺側に設け、
前記出力側板状リード部の形状を、
前記ハイサイド縦型スイッチング素子と対向する第1対向領域を、前記ドライバICと対向する第2対向領域よりも前記ハイサイド縦型スイッチング素子側に突出させて第3対向領域を設け、
前記第3対向領域に前記ハイサイド縦型スイッチング素子の表面側のソース端子と前記出力側板状リード部とを電気的に接続する導電性部材を設けることを特徴とする半導体装置。 - 請求項5記載の半導体装置において、
前記第1導電性部材がワイヤであり、
前記第2導電性部材がワイヤであり、
前記第1導電性部材の配線本数が前記第2導電性部材の配線本数よりも多いことを特徴とする半導体装置。 - 請求項5記載の半導体装置において、
前記第1導電性部材は、
前記ドライバICの第1出力端子と前記ローサイド縦型スイッチング素子のゲート端子とを接続し、かつワイヤである第1配線と、
前記ドライバICの第2出力端子と前記ローサイド縦型スイッチング素子のソース端子とを接続し、かつワイヤである第2配線とからなり、
前記第1配線または前記第2配線のうち、少なくともいずれか一方の配線長が1.5mm以下であり、
前記第1配線または前記第2配線のうち、少なくともいずれか一方の配線本数が2本以上であることを特徴とする半導体装置。 - 請求項4記載の半導体装置において、
前記ローサイド縦型スイッチング素子のゲート端子を、前記ローサイド縦型スイッチング素子の平面の辺のうち、前記ドライバICの平面の一辺と対向する第1の辺側に設け、
前記出力側板状リード部の前記ハイサイド縦型スイッチング素子と対向する領域であり、かつ前記ローサイド縦型スイッチング素子の短辺の側に第4領域を設け、
前記第4領域と前記ハイサイド縦型スイッチング素子の表面側のソース端子とを電気的に接続する板状の導電性部材を設けることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記ハイサイドスイッチング素子がハイサイド横型スイッチング素子であり、
前記ローサイドスイッチング素子が、前記ハイサイド横型スイッチング素子と同導電型のチャネルを有するローサイド縦型スイッチング素子であり、
前記半導体装置は、
前記ハイサイド横型スイッチング素子の裏面側の電極、および前記ローサイド縦型スイッチング素子の裏面側の電極と接続し、かつ前記ハイサイド横型スイッチング素子と前記ローサイド縦型スイッチング素子とを搭載する出力側板状リード部と、
入力側板状リード部と、
前記ドライバICを搭載するドライバ側板状リード部と、
接地側板状リード部とを有することを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記ハイサイドスイッチング素子がpチャネル型ハイサイド縦型スイッチング素子であり、
前記ローサイドスイッチング素子がローサイド縦型スイッチング素子であり、
前記半導体装置は、
前記pチャネル型ハイサイド縦型スイッチング素子の裏面側の電極、および前記ローサイド縦型スイッチング素子の裏面側の電極と接続し、かつ前記pチャネル型ハイサイド縦型スイッチング素子と前記ローサイド縦型スイッチング素子とを搭載する出力側板状リード部と、
入力側板状リード部と、
前記ドライバICを搭載するドライバ側板状リード部と、
接地側板状リード部とを有することを特徴とする半導体装置。
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JP4916964B2 (ja) | 2007-07-12 | 2012-04-18 | ルネサスエレクトロニクス株式会社 | Dc−dcコンバータ、ドライバic、およびシステムインパッケージ |
JP5169170B2 (ja) | 2007-11-26 | 2013-03-27 | 株式会社リコー | 降圧型スイッチングレギュレータ |
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JP2010129768A (ja) * | 2008-11-27 | 2010-06-10 | Toshiba Corp | 半導体装置 |
US20110075392A1 (en) * | 2009-09-29 | 2011-03-31 | Astec International Limited | Assemblies and Methods for Directly Connecting Integrated Circuits to Electrically Conductive Sheets |
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JP5755533B2 (ja) * | 2011-08-26 | 2015-07-29 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
US10128219B2 (en) | 2012-04-25 | 2018-11-13 | Texas Instruments Incorporated | Multi-chip module including stacked power devices with metal clip |
JP5937503B2 (ja) * | 2012-12-26 | 2016-06-22 | ルネサスエレクトロニクス株式会社 | 半導体集積回路およびその動作方法 |
TWI557863B (zh) * | 2013-03-12 | 2016-11-11 | 國際整流器股份有限公司 | 具有控制及驅動器電路的功率四邊扁平無引線(pqfn)之封裝 |
TWI538138B (zh) * | 2013-03-12 | 2016-06-11 | 國際整流器股份有限公司 | 在功率四邊扁平無引線(pqfn)之引線框上的控制及驅動器電路 |
JP6300316B2 (ja) * | 2013-07-10 | 2018-03-28 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP6261309B2 (ja) * | 2013-12-02 | 2018-01-17 | 三菱電機株式会社 | パワーモジュール |
JP6425380B2 (ja) | 2013-12-26 | 2018-11-21 | ローム株式会社 | パワー回路およびパワーモジュール |
JP5905622B2 (ja) * | 2015-04-13 | 2016-04-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP6827401B2 (ja) * | 2017-10-25 | 2021-02-10 | 三菱電機株式会社 | パワー半導体モジュールの製造方法およびパワー半導体モジュール |
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JP4658481B2 (ja) | 2004-01-16 | 2011-03-23 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2005217072A (ja) * | 2004-01-28 | 2005-08-11 | Renesas Technology Corp | 半導体装置 |
JP4489485B2 (ja) * | 2004-03-31 | 2010-06-23 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4565879B2 (ja) * | 2004-04-19 | 2010-10-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2006048341A (ja) * | 2004-08-04 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 侵入検出装置 |
US20070131938A1 (en) * | 2005-11-29 | 2007-06-14 | Advanced Analogic Technologies, Inc. | Merged and Isolated Power MESFET Devices |
US20080186004A1 (en) * | 2005-11-29 | 2008-08-07 | Advanced Analogic Technologies, Inc. | High-Frequency Power MESFET Boost Switching Power Supply |
US7687885B2 (en) * | 2006-05-30 | 2010-03-30 | Renesas Technology Corp. | Semiconductor device with reduced parasitic inductance |
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