Multilevel power converter with optimized topology

An electronic power circuit, comprising:

• a first circuit board;
• a substrate electrically connected to the first circuit board and arranged at a spacing from the first circuit board under a lower side of the first circuit board, so that an upper side of the substrate faces toward the first circuit board;
• a cooling body connected to a lower side of the substrate;
• a phase terminal,
• a first potential terminal;
• a second potential terminal;
• a third potential terminal;
• first electronic switching elements arranged on the upper side of the substrate, said first electronic switching elements connecting through an alternating current potential present at the phase terminal to a high direct current potential present at the first potential terminal and to a low direct current potential present at the second potential terminal;
• and
• second electronic switching elements arranged on an upper side of the first circuit board;
• said second electronic switching elements connecting through the alternating current potential present at the phase terminal to a middle direct current potential present at the third potential terminal.