Electronic control unit with common ground connection to a heat sink
First Claim
1. An electronic control unit, in particular an ignition control unit, comprising an electronic circuit in the form of a hybrid circuit arranged on a heat sink, and a plastic housing element containing the hybrid circuit and having a plug terminal jack with a plurality of plug terminals therein, with an electrical connection existing between a ground terminal of said hybrid circuit and a ground plug terminal of said jack, wherein said connection between the ground terminal of said hybrid circuit and said ground plug terminal is simultaneously connected to said heat sink by electrically conducting parts, including a metal board, contained in said plastic housing element.
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Accused Products
Abstract
The invention relates to an electronic control unit, in particular an ignition control unit, containing an electronic circuit in the form of a hybrid circuit arranged on a heat sink, and having a plastic housing element containing the plug terminal jack. There is an electrical connection between the ground connection of the hybrid circuit and a plug terminal. In accordance with the invention, the ground connection between the hybrid circuit and the plug terminal is connected to the heat sink by electrically conducting parts contained in the plastic housing element.
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Citations
6 Claims
- 1. An electronic control unit, in particular an ignition control unit, comprising an electronic circuit in the form of a hybrid circuit arranged on a heat sink, and a plastic housing element containing the hybrid circuit and having a plug terminal jack with a plurality of plug terminals therein, with an electrical connection existing between a ground terminal of said hybrid circuit and a ground plug terminal of said jack, wherein said connection between the ground terminal of said hybrid circuit and said ground plug terminal is simultaneously connected to said heat sink by electrically conducting parts, including a metal board, contained in said plastic housing element.
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6. An electronic control unit, in particular an ignition control unit, comprising:
- an electronic circuit in the form of a hybrid circuit arranged on a heat sink;
a plastic housing including a plug terminal jack, containing a plurality of plug terminals, disposed on said heat sink and surrounding said circuit;
conductive fastening means extending through at least one opening in said housing for connecting said housing to said heat sink;
means connecting a ground terminal of said hybrid circuit to one of said plug terminals; and
a metal board, integral with said one of said plug terminals and disposed in said housing, extending to said at least one opening in said housing and electrically contacted by said fastening means to electrically connect said heat sink to said ground terminal of said hybrid circuit.
- an electronic circuit in the form of a hybrid circuit arranged on a heat sink;
Specification