INTEGRATED PACKAGING OF MULTIPLE DOUBLE SIDED COOLING PLANAR BOND POWER MODULES
First Claim
1. ) An integrated double sided cooled power module comprising:
- one or more planar power packages, each planar power package having an upper power switch unit and a lower power switch unit directly bonded together and sandwiched between two heat exchangers;
a segmented coolant manifold interposed with the one or more planar power packages to create a sealed enclosure that defines a coolant inlet, a coolant outlet and a coolant flow path between the inlet and the outlet.
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Abstract
An integrated double sided cooled power module has one or multiple phase legs configuration including one or more planar power packages, each planar power package having an upper power switch unit and a lower power switch unit directly bonded and interconnected between two insulated power substrates, and further sandwiched between two heat exchangers via direct bonds. A segmented coolant manifold is interposed with the one or more planar power packages and creates a sealed enclosure that defines a coolant inlet, a coolant outlet and a coolant flow path between the inlet and the outlet. A coolant circulates along the flow path to remove heat and increase the power density of the power module.
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Citations
18 Claims
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1. ) An integrated double sided cooled power module comprising:
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one or more planar power packages, each planar power package having an upper power switch unit and a lower power switch unit directly bonded together and sandwiched between two heat exchangers; a segmented coolant manifold interposed with the one or more planar power packages to create a sealed enclosure that defines a coolant inlet, a coolant outlet and a coolant flow path between the inlet and the outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. ) A method of cooling a power module comprising the steps of:
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a) providing one or more planar power packages, each planar power package having an upper power switch unit and a lower power switch unit directly bonded together and sandwiched between two heat exchangers; b) interposing a segmented coolant manifold with the one or more planar power packages to create a sealed enclosure that defines a coolant inlet, a coolant outlet and a coolant flow path between the inlet and the outlet; and c) circulating a coolant about the coolant flow path. - View Dependent Claims (16, 17, 18)
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Specification