Power module with a magnetic device having a conductive clip
First Claim
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1. A power module located on a conductive substrate, comprising:
- a power conversion circuitry, including;
a magnetic device having a magnetic core with a lower surface adhered to an adhesive on said conductive substrate and a conductive clip with a bare lower surface facing an upper surface of and spanning an overall boundary of said magnetic core with ends of said conductive clip electrically coupled to said conductive substrate to cooperatively form an inductor winding therewith about said magnetic core, andat least one switch; and
an encapsulant about said power conversion circuitry.
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Abstract
A power module located on a conductive substrate including power conversion circuitry. The power conversion circuitry includes a magnetic device and at least one switch. The magnetic device includes a magnetic core having a surface facing the conductive substrate and a conductive clip facing a surface of the magnetic core with ends of the conductive clip electrically coupled to the conductive substrate to cooperatively form a winding therewith about the magnetic core. The power module also includes an encapsulant about the power conversion circuitry.
190 Citations
20 Claims
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1. A power module located on a conductive substrate, comprising:
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a power conversion circuitry, including; a magnetic device having a magnetic core with a lower surface adhered to an adhesive on said conductive substrate and a conductive clip with a bare lower surface facing an upper surface of and spanning an overall boundary of said magnetic core with ends of said conductive clip electrically coupled to said conductive substrate to cooperatively form an inductor winding therewith about said magnetic core, and at least one switch; and an encapsulant about said power conversion circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A power module located on a patterned, conductive leadframe, comprising:
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a power conversion circuitry, including; a magnetic device having a magnetic core formed from a bar of magnetic material adhered to an adhesive on said conductive leadframe and at least one conductive clip with a bare lower surface placed above an upper surface of and spanning an overall boundary of said magnetic core with ends of said at least one conductive clip soldered to said conductive leadframe to cooperatively form an inductor winding therewith about said magnetic core, and at least one switch; and an encapsulant about said power conversion circuitry. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification