| 摘要 |
PROBLEM TO BE SOLVED: To simplify the connection wiring of a voltage converter for stepping the voltage of two batteries up and down by using a power card.SOLUTION: A first planar power card 40 including two switching elements and two diodes connected in reverse parallel with respective switching elements, and having first, second and third I/O terminals 45, 46, 47 projecting from the end face thereof, and a second planar power card 50 including one switching element and one diode connected in reverse parallel with the switching element, and having fourth and fifth I/O terminals 53, 54 projecting from the end face, are arranged in parallel at an interval, so that the second I/O terminal 46 and fourth I/O terminal 53 are arranged on a straight line, and the third I/O terminal 47 and fifth I/O terminal 54 are arranged on another straight line at an interval, and the third I/O terminal 47 and fourth I/O terminal 53 are connected by means of a crank-shaped bus bar 63.SELECTED DRAWING: Figure 5 |
