Integrated power module
A power module includes a power substrate, a number of power semiconductor die, and a number of connector pins. The power substrate includes a number of conductive traces. The power semiconductor die are mounted on the power substrate and electrically coupled to the conductive traces. The connector pins are each electrically coupled to a different one of the conductive traces and configured to be interconnected such that the power semiconductor die provide an active front-end and a switching power converter. By providing the power semiconductor die such that they can be interconnected to form an active front-end and a switching power converter in the same power module, the power module may provide a significantly more compact power converter system using both an active front-end and switching power converter.
1. A power module comprising:
a power substrate comprising a plurality of conductive traces;
a plurality of power semiconductor die mounted on the power substrate and electrically coupled to the plurality of conductive traces; and
a plurality of connector pins, each electrically coupled to a different one of the plurality of conductive traces, wherein the plurality of connector pins are configured to be interconnected such that the plurality of power semiconductor die provide an active front-end and a switching power converter.
2. The power module of claim 1 wherein the active front-end is configured to convert AC signals to DC signals.
3. The power module of claim 1 wherein the plurality of connector pins are configured to be interconnected in a first configuration such that the active front-end is capable of converting single-phase AC signals to DC signals.
4. The power module of claim 1 wherein the plurality of connector pins are configured to be interconnected in a second configuration such that the active front-end is capable of converting three-phase AC signals to DC signals.
5. The power module of claim 1 wherein the plurality of connector pins are configured to be interconnected in a third configuration such that the switching power converter is a full-bridge switching power converter.
6. The power module of claim 1 wherein the plurality of connector pins are configured to be interconnected in a fourth configuration such that the switching power converter is a half-bridge power converter.
7. The power module of claim 1 wherein the plurality of conductive traces and the plurality of connector pins are arranged such that a distance between ones of the connector pins that experience a voltage potential greater than 50 V during normal operation of the power module is at least twice as large as a distance between ones of the connector pins that experience a voltage potential less than 50 V during normal operation of the power module.
8. The power module of claim 1 wherein:
the power module comprises a housing in which the power substrate is provided;
a footprint of the housing is less than 80 cm 2 ; and
the plurality of conductive traces and the plurality of connector pins are provided such that the power module meets or exceeds standards for creepage and clearance.
9. The power module of claim 8 wherein:
the active front-end comprises six power transistor semiconductor die and two power diode semiconductor die; and
the switching power converter comprises four power transistor semiconductor die.
10. The power module of claim 9 wherein:
a blocking voltage of each one of the power transistor semiconductor die and each one of the power diode semiconductor die is at least 650 V; and
a current rating of each one of the power transistor semiconductor die and each one of the power diode semiconductor die is at least 5 A.
11. The power module of claim 1 wherein:
the active front-end is configured to operate bidirectionally such that in a first direction the active front-end is configured to convert AC signals to DC signals and in a second direction the active front-end is configured to convert DC signals to AC signals; and
the switching power converter is further configured to operate bidirectionally such that in a first direction the switching power converter is configured to convert DC signals to AC signals and in a second direction the active front-end is configured to convert AC signals to DC signals.
12. The power module of claim 1 wherein:
the plurality of power semiconductor die comprises a plurality of power transistor semiconductor die, each comprising a gate, a drain, a source, and a kelvin connection; and
the gate, the drain, the source, and the kelvin connection of each one of the plurality of power transistor semiconductor die are coupled to a different one of the plurality of connector pins.
13. The power module of claim 1 wherein the plurality of power semiconductor die comprise silicon carbide semiconductor die.
14. A power module comprising:
a housing;
a power substrate within the housing, the power substrate comprising a plurality of conductive traces;
a plurality of power semiconductor die mounted on the power substrate and coupled to the plurality of conductive traces; and
a plurality of connector pins, each coupled to a different one of the plurality of conductive traces, wherein:
the plurality of connector pins are configured to be interconnected such that the plurality of power semiconductor die provides an active front-end and a switching power converter;
a footprint of the housing is less than 80 cm 2 ; and
the plurality of conductive traces and the plurality of connector pins are provided such that the power module meets or exceeds standards for creepage and clearance.
15. The power module of claim 14 wherein the active front-end is configured to convert AC signals to DC signals.
16. The power module of claim 14 wherein the plurality of connector pins are configured to be interconnected in a first configuration such that the active front-end is capable of converting single-phase AC signals to DC signals.
17. The power module of claim 14 wherein the plurality of connector pins are configured to be interconnected in a second configuration such that the active front-end is capable of converting three-phase AC signals to DC signals.
18. The power module of claim 14 wherein the plurality of connector pins are configured to be interconnected in a third configuration such that the switching power converter is a full-bridge switching power converter.
19. The power module of claim 14 wherein the plurality of connector pins are configured to be interconnected in a fourth configuration such that the switching power converter is a half-bridge power converter.
20. The power module of claim 14 wherein the plurality of conductive traces and the plurality of connector pins are arranged such that a distance between ones of the plurality of connector pins that experience a voltage potential greater than 50 V during normal operation of the power module is at least twice as large as a distance between ones of the plurality of connector pins that experience a voltage potential less than 50 V during normal operation of the power module.
21. The power module of claim 14 wherein:
the active front-end comprises six power transistor semiconductor die and two power diode semiconductor die; and
the power module comprises four power transistor semiconductor die.
22. The power module of claim 21 wherein:
a blocking voltage of each one of the power transistor semiconductor die and each one of the power diode semiconductor die is at least 650 V; and
a current rating of each one of the power transistor semiconductor die and each one of the power diode semiconductor die is at least 5 A.
23. The power module of claim 14 wherein:
the active front-end is configured to operate bidirectionally such that in a first direction the active front-end is configured to convert AC signals to DC signals and in a second direction the active front-end is configured to convert DC signals to AC signals; and
the switching power converter is further configured to operate bidirectionally such that in a first direction the switching power converter is configured to convert DC signals to AC signals and in a second direction the active front-end is configured to convert AC signals to DC signals.
24. The power module of claim 14 wherein:
each one of the plurality of power semiconductor die comprises a gate, a drain, a source, and a kelvin connection; and
the gate, the drain, the source, and the kelvin connection of each one of the plurality of power semiconductor die are coupled to a different one of the plurality of connector pins.
25. The power module of claim 14 wherein the plurality of power semiconductor die comprise silicon carbide semiconductor die.