Power module and method of fabricating the same
First Claim
Patent Images
1. A power module comprising:
- a molded power package comprising at least one power device on a first lead frame; and
a molded control package vertically stacked on the power package, and comprising at least one control device on a second lead frame,wherein a first part of the first lead frame and a first part of the second lead frame are coupled to each other so that the power package and the control package are electrically coupled to each other,wherein the power package further comprises one or more first wiring pads on the first part of the first lead frame, and the control package further comprises one or more second wiring pads on the first part of the second lead frame,wherein the power module further comprising solder, and wherein the one or more first wiring pads and the one or more second wiring pads are bonded to each other with the solder.
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Abstract
Provided are a power module including a power package and a control package that are provided separately and can be highly integrated, and method of fabricating the power module. The power module includes: a molded power package including at least one power device on a first lead frame; and a molded control package vertically stacked on the power package, and including at least one control device on a second lead frame. A first part of the first lead frame and a first part of the second lead frame are coupled to each other so that the power package and the control package can be electrically coupled to each other.
24 Citations
21 Claims
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1. A power module comprising:
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a molded power package comprising at least one power device on a first lead frame; and a molded control package vertically stacked on the power package, and comprising at least one control device on a second lead frame, wherein a first part of the first lead frame and a first part of the second lead frame are coupled to each other so that the power package and the control package are electrically coupled to each other, wherein the power package further comprises one or more first wiring pads on the first part of the first lead frame, and the control package further comprises one or more second wiring pads on the first part of the second lead frame, wherein the power module further comprising solder, and wherein the one or more first wiring pads and the one or more second wiring pads are bonded to each other with the solder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A power module comprising:
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a first lead frame having a first surface and a second surface; at least one power device disposed on the first surface of the first lead frame; a first molding member covering the at least one power device, and exposing a first part of the second surface of the first lead frame; a second lead frame having a third surface and a fourth surface, wherein a first part of the fourth surface is bonded with the exposed first part of the second surface of the first lead frame; at least one control device disposed on the third surface of the second lead frame; and a second molding member covering the at least one control device, and exposing the first part of the fourth surface of the second lead frame. - View Dependent Claims (11, 12, 13, 14)
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15. A method of fabricating a power module, the method comprising:
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forming a molded power package comprising at least one power device on a first lead frame; forming a molded control package comprising at least one control device on a second lead frame; and bonding a first part of the first lead frame with a first part of the second lead frame so that the power package and the control package can be electrically coupled to each other, wherein the bonding of the first part of the first lead frame with the first page of the second lead frame is performed using a soldering process. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification