JP2005353742A - 電子装置 - Google Patents
電子装置 Download PDFInfo
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Abstract
【解決手段】 制御部10と駆動部20とを備える電子装置100において、これら両部10、20をリードフレームのアイランド部50の搭載面50aに搭載し、制御部10、駆動部20をそれぞれリードフレームの第1のリード部51、第2のリード部52にボンディングワイヤ40を介して電気的に接続し、制御部10、駆動部20、各ボンディングワイヤ40、アイランド部50および第1および第2のリード部51、52をモールド樹脂60により封止し、第1および第2のリード部51、52をアイランド部50の搭載面50aと平行な方向に延びるように配置するとともに、その先端部をモールド樹脂60から突出させている。
【選択図】 図1
Description
限定するものではないが、本実施形態の電子装置100は、自動車のパワーウィンドウにおけるアクチュエータとしてのモータ210(後述の図3、図4参照)に適用され、これを駆動制御するためのHIC(ハイブリッドIC、混成集積回路)に適用されるものとして説明する。
制御部10は、マイコン11、制御IC12、トランジスタ13などの制御素子やコンデンサ14などを有するもので、これらの電子素子11〜14およびこれら素子11〜14が搭載される配線基板30を含んで構成されている。
本実施形態の電子装置100の回路構成等について、図4および図5を参照して述べておく。図4は、本電子装置100の回路構成の概略図であり、図5は、図4中のモータの作動状態における各パワーMOS素子21〜24のゲート入力のON・OFF状態を示す図である。
ところで、本実施形態によれば、制御部10と、制御部10により駆動が制御される駆動部20とを備える電子装置において、次のような特徴点を有する電子装置100が提供される。
図6は、本発明の第2実施形態に係る制御部10と駆動部20とを備える電子装置110の概略平面構成を示す図である。以下、上記第1実施形態との相違点を中心に述べることにする。
ところで、また、上記実施形態では、本発明の電子装置を、パワーウィンドウの駆動モータを駆動するHICに適用したものとして説明したが、本発明の電子装置の用途は、これに限定されるものではない。
31…第1の配線基板、32…第2の配線基板、
40…ボンディングワイヤ、50…リードフレームのアイランド部、
50a…アイランド部の搭載面、51…リードフレームの第1のリード部、
52…リードフレームの第2のリード部、60…モールド樹脂。
Claims (7)
- 制御部(10)と、前記制御部(10)により駆動が制御される駆動部(20)とを備える電子装置において、
前記制御部(10)および前記駆動部(20)は、リードフレームのアイランド部(50)の搭載面(50a)に搭載されており、
前記制御部(10)はリードフレームの第1のリード部(51)にボンディングワイヤ(40)を介して電気的に接続され、前記駆動部(20)はリードフレームの第2のリード部(52)にボンディングワイヤ(40)を介して電気的に接続されており、
前記制御部(10)、前記駆動部(20)、前記各ボンディングワイヤ(40)、前記アイランド部(50)および前記第1および第2のリード部(51、52)は、モールド樹脂(60)により封止されており、
前記第1のリード部(51)および前記第2のリード部(52)は、前記アイランド部(50)の前記搭載面(50a)と平行な方向に延びるように配置されているとともに、その先端部が前記モールド樹脂(60)から突出していることを特徴とする電子装置。 - 前記モールド樹脂(60)のうち互いに対向する端部の一方に前記第1のリード部(51)が配置され、当該端部の他方に前記第2のリード部(52)が配置され、前記第1および第2のリード部(51、52)の突出方向が1方向にそろっていることを特徴とする請求項1に記載の電子装置。
- 前記制御部(10)および前記駆動部(20)は、共通の配線基板(30)を有するものであり、
前記配線基板(30)は前記アイランド部(50)の前記搭載面(50a)上に搭載されていることを特徴とする請求項1または2に記載の電子装置。 - 前記アイランド部(50)の前記搭載面(50a)上には、それぞれ分離された第1の配線基板(31)および第2の配線基板(32)が搭載されており、
前記制御部(10)は前記第1の配線基板(31)を備えて構成されたものであり、前記駆動部(20)は前記第2の配線基板(32)を備えて構成されたものであることを特徴とする請求項1または2に記載の電子装置。 - 前記第1の配線基板(31)は多層基板であり、前記第2の配線基板(32)は単層基板であることを特徴とする請求項4に記載の電子装置。
- 前記アイランド部(50)はヒートシンクであることを特徴とする請求項1ないし5のいずれか1つに記載の電子装置。
- 前記第2のリード部(52)は、複数の太さの異なるものからなることを特徴とする請求項1ないし6のいずれか1つに記載の電子装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004171221A JP2005353742A (ja) | 2004-06-09 | 2004-06-09 | 電子装置 |
DE102005016830A DE102005016830A1 (de) | 2004-04-14 | 2005-04-12 | Halbleitervorrichtung und Verfahren zu ihrer Herstellung |
US11/105,548 US7843700B2 (en) | 2004-04-14 | 2005-04-14 | Semiconductor device |
US12/923,968 US8179688B2 (en) | 2004-04-14 | 2010-10-19 | Semiconductor device |
US13/359,776 US20120120610A1 (en) | 2004-04-14 | 2012-01-27 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004171221A JP2005353742A (ja) | 2004-06-09 | 2004-06-09 | 電子装置 |
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JP2004171221A Pending JP2005353742A (ja) | 2004-04-14 | 2004-06-09 | 電子装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011253874A (ja) * | 2010-06-01 | 2011-12-15 | Denso Corp | 電子装置 |
WO2014076856A1 (ja) | 2012-11-19 | 2014-05-22 | 富士電機株式会社 | 半導体装置 |
-
2004
- 2004-06-09 JP JP2004171221A patent/JP2005353742A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011253874A (ja) * | 2010-06-01 | 2011-12-15 | Denso Corp | 電子装置 |
WO2014076856A1 (ja) | 2012-11-19 | 2014-05-22 | 富士電機株式会社 | 半導体装置 |
US9406576B2 (en) | 2012-11-19 | 2016-08-02 | Fuji Electric Co., Ltd. | Semiconductor device |
US9728475B2 (en) | 2012-11-19 | 2017-08-08 | Fuji Electric Co., Ltd. | Lead portion of semiconductor device |
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