Patent ID: 9425132
Filing Date: 2016-08-23
CPC Classification: H01L

Claim Text:
1. A system comprising: a leadframe having a plurality of leads and a pad with a first and a second pad surface, the first pad surface having a recessed portion and an un-recessed portion, the recessed portion having a depth and an outline suitable for attaching a device, the pad tied to a terminal of the system; a first chip vertically stacked to the pad, the first chip having at least one first chip terminal attached to the second pad surface; a clip vertically stacked on the first chip, the clip having a first flat side attached to a source terminal of the first chip, the clip tied to a lead from the plurality of leads as a grounded output terminal of the system; and a second chip vertically stacked on the first chip, the second chip having a second chip terminal attached to the recessed portion of the first pad surface and further having a plurality of terminals co-planar with the un-recessed portion of the first pad surface.