Power semiconductor packaging
First Claim
1. A power control unit having first and second power connections, said unit comprising at least one cluster of semiconductor devices wherein the intrinsic characteristics of such semiconductor devices dominate the impedance of the unit, said cluster comprising:
- first and second cluster power terminals;
first and second cluster control terminals;
a plurality of like semiconductor devices each having first and second power ports defining a controlled current path therebetween, and first and second control ports defining a control path for controlling the current flow through said controlled current path; and
first and second electrically conductive interconnects;
the first interconnect being connected, at a predetermined first juncture, to the first cluster power terminal;
said plurality of devices being disposed relative to said first interconnect such that the current flow paths between the first juncture and the first power ports of each of the plurality of devices are each of substantially equal impedance;
the second interconnect connecting a second power port of each of the plurality of devices in common and being connected, at a predetermined second juncture, to the second cluster power terminal;
the plurality of devices being disposed relative to said second interconnect such that current flow paths between said device second power ports and the second juncture are each of substantially equal impedance;
the first control ports of each of the plurality of devices being electrically connected to the first cluster control terminal such that the current paths between the first cluster control terminal and the first control port of each of the plurality of devices are of substantially equal impedance; and
the second control ports of each of the plurality of devices being electrically connected to the second cluster control terminal such that the current paths between the second cluster control terminal and the second control port of each of the plurality of devices are of substantially equal impedance.
0 Assignments
0 Petitions
Accused Products
Abstract
Power output switching circuit (215) for use in high current and high frequency applications. The output circuit provides a series of geometrically symmetric parallel spaced semiconductor converters (214A, 214B, 216A, 216B) arranged such that the voltage for each semiconductor output device is substantially equal and minimal for each device. In this way, each device exhibits substantially the same impedance, such that circuit performance is largely a function of intrinsic device characteristics, and substantially independent of cross coupling and another external influences.
-
Citations
22 Claims
-
1. A power control unit having first and second power connections, said unit comprising at least one cluster of semiconductor devices wherein the intrinsic characteristics of such semiconductor devices dominate the impedance of the unit, said cluster comprising:
-
first and second cluster power terminals; first and second cluster control terminals; a plurality of like semiconductor devices each having first and second power ports defining a controlled current path therebetween, and first and second control ports defining a control path for controlling the current flow through said controlled current path; and first and second electrically conductive interconnects; the first interconnect being connected, at a predetermined first juncture, to the first cluster power terminal; said plurality of devices being disposed relative to said first interconnect such that the current flow paths between the first juncture and the first power ports of each of the plurality of devices are each of substantially equal impedance; the second interconnect connecting a second power port of each of the plurality of devices in common and being connected, at a predetermined second juncture, to the second cluster power terminal; the plurality of devices being disposed relative to said second interconnect such that current flow paths between said device second power ports and the second juncture are each of substantially equal impedance; the first control ports of each of the plurality of devices being electrically connected to the first cluster control terminal such that the current paths between the first cluster control terminal and the first control port of each of the plurality of devices are of substantially equal impedance; and the second control ports of each of the plurality of devices being electrically connected to the second cluster control terminal such that the current paths between the second cluster control terminal and the second control port of each of the plurality of devices are of substantially equal impedance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
Specification