Controller and motor assembly comprising same

A motor assembly comprising:

• a controller;
• and
• a motor,
• wherein the controller includes:
• a controller housing having an upper portion and a lower portion, the lower portion having an opening;
• a controller cover disposed on the opening of the controller housing;
• a differential-mode (DM) filter unit disposed above the controller cover and toward the upper portion of the controller housing;
• a common-mode (CM) filter unit disposed above the DM filter unit and toward the upper portion of the controller housing;
• a power module unit disposed below the controller cover and away from the lower portion of the controller housing;
• a substrate disposed below the power module unit and away from the lower portion of the controller housing;
• and
• a first connector and a second connector each having one side disposed on the substrate through the controller cover, and
• wherein the controller housing is disposed above the substrate such that the controller cover is arranged between the substrate and the controller housing.