Power electronic device having high heat dissipation and stability

摘要

An insulating body embeds at least one integrated circuit chip and a first and second exposed heat sink exposed on a free surface opposite a mounting surface of the body. An external heat-sink extends above the free surface. The external heat-sink includes a first dissipative portion and a second dissipative portion for contacting the first and second heat-sinks on the free surface, respectively, as well as an insulating portion for electrically insulating the first dissipative portion from the second dissipative portion. The first dissipative portion and the second dissipative portion are symmetrical with respect to the insulating portion. An extension of the external heat-sink may provide a stabilizing element. The extension of the external heat-sink may alternatively thermally and electrically interconnect two insulating bodies, each body embedding at least one integrated circuit chip.

主权项

1. A system, comprising:
an insulating body configured to embed at least one chip of semiconductor material in which at least one electronic component is integrated, the insulating body having a mounting surface for the mounting of the system on a board, a first heat-sink connected to a conduction terminal of the at least one electronic component, a second heat-sink connected to a further conduction terminal of the at least one component insulated from the conduction terminal, wherein the first heat-sink and the second heat-sink are mounted on a free surface of the insulating body opposite the mounting surface, an external heat-sink extending above the free surface, the external heat-sink comprising:
a first dissipative portion and a second dissipative portion configured to contact the first heat-sink and the second heat-sink on the free surface, respectively, and an insulating portion configured to electrically insulate the first dissipative portion from the second dissipative portion, the first dissipative portion and the second dissipative portion being symmetrical with respect to the insulating portion; anda fixing base fixed on the free surface, and at least one stabilizing element extending from the fixing base beyond a contour of the insulating body, the at least one stabilizing element comprising a mounting portion configured to be fixed to the board.