JP5412559B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP5412559B2 JP5412559B2 JP2012135933A JP2012135933A JP5412559B2 JP 5412559 B2 JP5412559 B2 JP 5412559B2 JP 2012135933 A JP2012135933 A JP 2012135933A JP 2012135933 A JP2012135933 A JP 2012135933A JP 5412559 B2 JP5412559 B2 JP 5412559B2
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Description
図1は、本実施の形態1の半導体装置を有するネットワーク電源システム(電子装置)の一例の説明図である。
図22は本発明の他の実施の形態である半導体装置PDの上面側の全体平面図、図23は図22のX2−X2線の断面図である。なお、図22の半導体装置PDの裏面の全体平面図は図5と同じである。また、図22では、説明上、パッケージ5の内部を透かして見せている。また、図22では、図面を見易くするため、リード板35a,35bにハッチングを付している。
前記実施の形態1,2では、出力電流の増大に応じてパワートランジスタ用の半導体チップ4PH,4PLを一方向に長くしてゲート幅を大きくするようにした。しかし、このように半導体チップ4PH,4PLを大きくしていくと、半導体チップ4PH,4PLに加わる応力が大きくなり、半導体チップ4PH,4PLとダイパッド8D2,8D3との接合部に剥離が生じる等、信頼性の確保が困難になる。
明は上記実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可
能であることは言うまでもない。
2 制御回路
3 ドライバ回路
4C 半導体チップ
4PH,4PL 半導体チップ
4HS 半導体基板
4HS1 半導体層
4HS2 エピタキシャル層
5 パッケージ(封止体)
8 リードフレーム(配線基板)
8A,8A1,8A2,8A3,8A4 リード(第1外部端子、配線基板)
8B,8B1,8B2,8B3 リード(第2外部端子、配線基板)
8D1,8D2,8D3 ダイパッド(配線基板)
8L リード配線(配線基板)
10A,10A1,10A2 ボンディングパッド
10GH,10GL ボンディングパッド
10SH,10SL ボンディングパッド
10GF1,10GF2 ゲートフィンガ
12a,12b 接着層
15 配線基板
16A,16B 配線
19 表面保護膜
20L1,20L2 ゲート配線
20G ゲート電極
22 フィールド絶縁膜
23 半導体領域
24 半導体領域
25 溝
26 ゲート絶縁膜
29 絶縁膜
30a,30b コンタクトホール
31 溝
32 半導体領域
35a,35b リード板
36a〜36d 接合層
IN 入力
P1 AC/DC切換モード整流器
P2 DC/DCコンバータ
P3 48V Bricコンバータ
P4 POL電源
P5 PPOD電源
LD 負荷
PD 半導体装置
QH1,QL1 パワーMOS・FET(パワートランジスタ)
Cin 入力コンデンサ
Cout 出力コンデンサ
L コイル
D ドレイン
S ソース
VIN 入力電源
ET1,ET2 端子
N 出力ノード
Dp1,Dp2 寄生ダイオード
Ton パルス幅
T パルス周期
WA ボンディングワイヤ
WB1 ボンディングワイヤ
WB2 ボンディングワイヤ
BDH 裏面電極
PWL1 p型ウエル
Claims (3)
- (a)厚さ方向に沿って互いに反対側に位置する第1主面および第2主面を有する配線基板を準備する工程、
(b)前記配線基板の第1主面上にパワートランジスタ用の半導体チップおよび制御回路用の半導体チップを搭載する工程を有し、
前記(a)工程においては、
前記配線基板の第2主面に配置される外部端子のうち、前記制御回路用の半導体チップに電気的に接続される外部端子の配置を固定し、前記パワートランジスタ用の半導体チップに電気的に接続される外部端子の配置を変える工程を有することを特徴とする半導体装置の製造方法。 - 請求項1記載の半導体装置の製造方法において、
前記パワートランジスタ用の半導体チップを、前記制御回路用の半導体チップの長手方向に対して交差するように配置し、
前記パワートランジスタ用の半導体チップの辺の長さを変える工程を有することを特徴とする半導体装置の製造方法。 - 請求項2記載の半導体装置の製造方法において、
前記パワートランジスタ用の半導体チップの辺のうち、前記制御回路用の半導体チップの長手方向に対して交差する方向に沿う辺の長さを変える工程を有することを特徴とする半導体装置の製造方法。
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JP2012135933A JP5412559B2 (ja) | 2012-06-15 | 2012-06-15 | 半導体装置の製造方法 |
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JP2006043293A Division JP5291864B2 (ja) | 2006-02-21 | 2006-02-21 | Dc/dcコンバータ用半導体装置の製造方法およびdc/dcコンバータ用半導体装置 |
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JP2012216858A JP2012216858A (ja) | 2012-11-08 |
JP5412559B2 true JP5412559B2 (ja) | 2014-02-12 |
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JP2004055755A (ja) * | 2002-07-18 | 2004-02-19 | Sanyo Electric Co Ltd | 混成集積回路装置 |
US7215012B2 (en) * | 2003-01-03 | 2007-05-08 | Gem Services, Inc. | Space-efficient package for laterally conducting device |
JP4173751B2 (ja) * | 2003-02-28 | 2008-10-29 | 株式会社ルネサステクノロジ | 半導体装置 |
JP4007242B2 (ja) * | 2003-04-10 | 2007-11-14 | 富士電機ホールディングス株式会社 | 半導体装置 |
JP4115882B2 (ja) * | 2003-05-14 | 2008-07-09 | 株式会社ルネサステクノロジ | 半導体装置 |
JP2005093762A (ja) * | 2003-09-18 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP3809168B2 (ja) * | 2004-02-03 | 2006-08-16 | 株式会社東芝 | 半導体モジュール |
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 |
JP4477514B2 (ja) * | 2005-01-27 | 2010-06-09 | 株式会社日立超エル・エス・アイ・システムズ | 電池監視装置 |
JP2006310663A (ja) * | 2005-04-28 | 2006-11-09 | Toshiba Corp | 演算処理装置 |
US7868432B2 (en) * | 2006-02-13 | 2011-01-11 | Fairchild Semiconductor Corporation | Multi-chip module for battery power control |
-
2012
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