MODULAR POWER DEVICE PACKAGE EMBEDDED IN CIRCUIT CARRIER
A power semiconductor module arrangement includes a circuit carrier including an electrically insulating substrate and an upper metallization layer disposed on upper side of the electrically insulating substrate, and a plurality of power stage inlays that each include first and second transistor dies and a driver die configured to control switching of the first and second transistor dies. Each of the power stage inlays are modular units comprising terminals that are electrically connected to the first and second transistor dies and the driver die. Each of the power stage inlays is embedded within the electrically insulating substrate. The upper metallization layer comprises conductive connectors that extend over the power stage inlays and connect with the terminals of the terminals of each of the power stage inlays.
1 . A power semiconductor module arrangement, comprising:
a circuit carrier comprising an electrically insulating substrate and an upper metallization layer disposed on upper side of the electrically insulating substrate; and
a plurality of power stage inlays that each comprise first and second transistor dies and a driver die configured to control switching of the first and second transistor dies,
wherein each of the power stage inlays are modular units comprising terminals that are electrically connected to the first and second transistor dies and the driver die,
wherein each of the power stage inlays is embedded within the electrically insulating substrate, and
wherein the upper metallization layer comprises conductive connectors that extend over the power stage inlays and connect with the terminals of the terminals of each of the power stage inlays.
2 . The power semiconductor module arrangement of claim 1 , wherein the electrically insulating substrate comprises a dielectric resin that contacts outer edge sides of the power stage inlays.
3 . The power semiconductor module arrangement of claim 2 , wherein the electrically insulating substrate region further comprises a dielectric core structure, and wherein each of the power stage inlays is arranged on or within the dielectric core structure.
4 . The power semiconductor module arrangement of claim 3 , wherein the dielectric core structure comprises one or more recesses, and wherein each of the power stage inlays is arranged within the one or more recesses.
5 . The power semiconductor module arrangement of claim 3 , wherein two or more of the of the power stage inlays are arranged within one of the recesses.
6 . The power semiconductor module arrangement of claim 1 , wherein each of the power stage inlays comprise a plurality of upper I/O terminals disposed on an upper side of the respective power stage inlay, and wherein the conductive connectors comprise I/O connectors that extend over and are in direct ohmic contact with the upper I/O terminals.
7 . The power semiconductor module arrangement of claim 6 , wherein each of the power stage inlays of lower I/O terminals disposed on a lower side of the respective power stage inlay, and wherein each of the power stage inlays comprise through-via connections electrically connecting the upper I/O terminals and the lower I/O terminals of the respective power stage inlay.
8 . The power semiconductor module arrangement of claim 1 , wherein each of the power stage inlays comprise a plurality of upper voltage supply terminals disposed on an upper side of the respective power stage inlay, wherein the upper voltage supply terminals are electrically connected to load terminals from the first and second transistor dies, and wherein the conductive connectors comprise voltage supply connectors that extend over and are in direct ohmic contact with the upper voltage supply terminals.
9 . The power semiconductor module arrangement of claim 8 , wherein each of the power stage inlays comprise through-via connections that electrically connect the upper voltage supply terminals are electrically connected to the load terminals from the first and second transistor dies that face away from the upper side of the respective power stage inlay.
10 . The power semiconductor module arrangement of claim 1 , wherein the power stage inlays are each configured as integrated half-bridge circuits, and wherein the first and second transistor dies of the power stage inlays form the high-side switch and the low-side switch of the integrated half-bridge circuit, respectively.
11 . The power semiconductor module arrangement of claim 10 , wherein the first and second transistor dies of each of the power stage inlays are configured as vertical devices with first and second load terminals disposed on opposite sides of the respective transistor die.
12 . The power semiconductor module arrangement of claim 1 , further comprising a plurality of passive elements mounted on the upper side of the circuit carrier, and wherein at least some of the passive elements are electrically connected to the terminals of each of the power stage inlays by the conductive connectors.
13 . The power semiconductor module arrangement of claim 12 , wherein the passive elements comprise a discrete inductor mounted over each one of the power stage inlays, wherein each of the discrete inductors is mounted such that a lower lead or contact of the respective discrete inductor is electrically connected to one of the terminals of the power stage inlays by one of the conductive connectors, and wherein each of the discrete inductors comprises a conductive core that is exposed from an upper side of the respective discrete inductor that is opposite from the upper side of the circuit carrier.
14 . The power semiconductor module arrangement of claim 1 , wherein each of the power stage inlays are laminate devices composing a plurality of laminate dielectric layers and structured metallization layers stacked on the laminate dielectric layers, and wherein the terminals are provided from outermost ones of the structured metallization layers.
15 . A method of producing a power semiconductor module arrangement, the method comprising:
providing a plurality of power stage inlays that each comprise first and second transistor dies and a driver die configured to control switching of the first and second transistor dies; and
embedding each of the power stage inlays within an electrically insulating substrate;
forming an upper metallization layer on an upper side of the electrically insulating substrate,
wherein each of the power stage inlays are modular units comprising terminals that are electrically connected to the first and second transistor dies and the driver die, and
wherein the upper metallization layer comprises conductive connectors that extend over the power stage inlays and connect with the terminals of each of the power stage inlays.
16 . The method of claim 15 , wherein embedding the plurality of power stage inlays comprises forming a dielectric resin that contacts outer edge sides of the power stage inlays.
17 . The method of claim 16 , wherein embedding the plurality of power stage inlays further comprises providing a dielectric core structure and arranging the power stage inlays on or within the dielectric core structure.
18 . The method of claim 17 , wherein the dielectric core structure is provided to comprise one or more recesses extending from an upper surface of the dielectric core structure, and wherein embedding the plurality of power stage inlays further comprises:
arranging one or more of the power stage inlays within the one or more recesses; and
forming the dielectric resin around the power stage inlays within the one or more recesses.
19 . The method of claim 18 , wherein embedding the plurality of power stage inlays comprises:
arranging a plurality of the power stage inlays within one of the recesses; and
forming the dielectric resin around each of the power stage inlays within the one of the recesses.
20 . The method of claim 17 , wherein the dielectric core structure is provided to comprise one or more openings that extend completely from the upper surface of the dielectric core structure to a rear surface of the dielectric core structure, wherein the method further comprises:
providing a temporary carrier; and
arranging each one of the power stage inlays on the temporary carrier before forming the dielectric resin.
21 . The method of claim 16 , wherein embedding the plurality of power stage inlays further comprises:
providing a temporary carrier; and
arranging each one of the power stage inlays on the temporary carrier before forming the dielectric resin.
22 . The method of claim 16 , further comprising providing a printed circuit board, and wherein embedding the plurality of power stage inlays further comprises:
arranging each one of the power stage inlays on the printed circuit board; and
forming the dielectric resin over each one of the power stage inlays and on the printed circuit board.
23 . The method of claim 15 , wherein each of the power stage inlays comprise a plurality of upper I/O terminals disposed on an upper side of the respective power stage inlay, and wherein the conductive connectors are formed to comprise I/O connectors that extend over and are in direct ohmic contact with the upper I/O terminals.
24 . The method of claim 15 , wherein the power stage inlays are each configured as integrated half-bridge circuits, and wherein the first and second transistor dies of the power stage inlays form the high-side switch and the low-side switch of the integrated half-bridge circuit, respectively.
25 . The method of claim 15 , wherein the first and second transistor dies of each of the power stage inlays are configured as vertical devices with first and second load terminals disposed on opposite sides of the respective transistor die.
26 . The method of claim 15 , further comprising mounting a plurality of passive elements mounted on the upper side of the electrically insulating substrate, wherein at least some of the passive elements are electrically connected to the terminals of each of the power stage inlays by the conductive connectors.
27 . The method of claim 26 , wherein mounting the plurality of passive elements comprises mounting a discrete inductor mounted over each one of the power stage inlays, wherein each of the discrete inductors is mounted such that a lower lead or contact of the respective discrete inductor is electrically connected to one of the terminals of the power stage inlays by one of the conductive connectors, and wherein each of the discrete inductors comprises a conductive core that is exposed from an upper side of the respective discrete inductor that is opposite from the upper side of the circuit board.