Asymmetric power module

A method of operating a power module comprising:

• a module control terminal, a first module load terminal, and a second module load terminal, and at least one power switch comprising a plurality of switching devices coupled in parallel, wherein each switching device of the plurality of switching devices comprises a device control terminal, a first load terminal, and a second load terminal, the device control terminals of the plurality of switching devices are coupled to the module control terminal via a plurality of control paths, the first load terminals of the plurality of switching devices are coupled to the first module load terminal via a plurality of first load paths, the second load terminals of the plurality of switching devices are coupled to the second module load terminal via a plurality of second load paths, and a control path of the plurality of control paths has a first electrical parameter different from other control paths of the plurality of control paths, or a first load path of the plurality of first load paths has a second electrical parameter different from other first load paths of the plurality of first load paths, or a second load path of the plurality of second load paths has a third electrical parameter different from other second load paths of the plurality of second load paths, the method comprising:
• applying a switch control signal to the module control terminal;
• and
• applying, by the at least one power switch, a switching signal to the first module load terminal and the second module load terminal in response to applying the switch control signal, wherein the control path of the plurality of control paths, or the first load path of the plurality of first load paths, or the second load path of the plurality of second load paths having the electrical parameter that is respectively different from the other control paths of the plurality of control paths, the other first load paths of the plurality of first load paths, or the other second load paths of the plurality of second load paths reduces ringing in response to applying the switching signal compared to the plurality of control paths, the plurality of first load paths, and the plurality of second load paths respectively having identical electrical parameters.

A power module, comprising:

• a module control terminal, a first module load terminal, and a second module load terminal;
• a power switch comprising a plurality of transistors coupled in parallel, each transistor having a control terminal, a first load terminal, and a second load terminal;
• and
• a substrate comprising:
• a first conductive structure forming a portion of a plurality of first load paths coupling the first load terminals of the plurality of transistors to the first module load terminal, and a second conductive structure forming a portion of a plurality of second load paths coupling the second load terminals of the plurality of transistors to the second module load terminal, wherein at least one of the plurality of first load paths has a different resistance, inductance or capacitance from other ones of the plurality of first load paths, or at least one of the plurality of second load paths has a different a different resistance, inductance or capacitance from other ones of the plurality of second load paths and is configured to reduce ringing during switching of the power switch compared to the plurality of first load paths and the plurality of second load paths respectively having identical resistance, inductance, and capacitance.