Power module and power device

A power module, comprising a circuit board, at least one switch circuit, and a metal plate, wherein

• the circuit board comprises an upper surface layer and a lower surface layer;
• the at least one switch circuit is arranged on the upper surface layer of the circuit board, the at least one switch circuit comprises a first switch unit, a second switch unit, and a first capacitor unit, and the first switch unit, the second switch unit, and the first capacitor unit are electrically connected to form a commutation loop which is located on the upper surface layer of the circuit board or passes through the upper surface layer of the circuit board;
• and
• the metal plate is arranged above the first switch unit, the second switch unit, and the first capacitor unit.