Patent ID: 9595484
Date: 2017-03-14
CPC Classifications: H01L,H02M

Claim:
1. A power converter comprising: a plurality of semiconductor devices; and a plurality of cooling plates, wherein the plurality of semiconductor devices are stacked alternately with the plurality of cooling plates, each of the semiconductor devices being in close contact with the corresponding adjacent cooling plate, the plurality of semiconductor devices includes a first-first sealed semiconductor device, a second-first sealed semiconductor device, and a second sealed semiconductor device, each of the first-first sealed semiconductor device and the second-first sealed semiconductor device comprises a first semiconductor structure which is sealed with first resin, and the first semiconductor structure includes a first transistor and a first diode connected in parallel with the first transistor, the first-first sealed semiconductor device includes: the second-first sealed semiconductor device includes: the second sealed semiconductor device comprises a plurality of second semiconductor structures, each of the second semiconductor structures is sealed with second resin and includes a second transistor and a second diode connected in parallel with the second transistor, at least two of the second transistors included in the plurality of second semiconductor structures are connected in series, the first low potential side terminal of the first-first sealed semiconductor device is connected with the second high potential side terminal of the second-first sealed semiconductor device, and when viewed along a stacking direction of the plurality of semiconductor devices and the plurality of cooling plates, the first portion of the first high potential side terminal of the first-first sealed semiconductor device that is outside of the first resin is disposed to overlap with the fourth portion of the second low potential side terminal of the second-first sealed semiconductor device that is outside of the first resin.