Circuit board assembly manufacturing method, circuit board assembly manufactured by same, and electric vehicle including same

A method for manufacturing a circuit board assembly, the method comprising:

• preparing a mold comprising a concave portion corresponding to a shape of each of a plurality of components and a convex portion corresponding to a surface of a circuit board, the convex portion of the mold being located between the plurality of components;
• mounting the plurality of components on the circuit board;
• providing the mold at an upper side of the circuit board and preparing a protective material to be disposed on the circuit board;
• disposing the protective material on the circuit board and the plurality of components by using the mold;
• and
• curing the protective material to form a protective layer.