Patent ID: 7663246

Claim:
A chip-stacked package structure with leadframe having bus bar, comprising: a leadframe, composed of a plurality of inner leads arranged in rows facing each other, a plurality of outer leads, and a die pad, said die pad with a first surface and a second surface being provided between said plurality of inner leads arranged in rows facing each other and being vertically distant from said plurality of inner leads, and at least a bus bar with an upper surface and a lower surface provided between said plurality of inner leads and said die pad; an offset chip-stacked structure formed with a plurality of chips stacked together, said offset chip-stacked structure being fixedly connected to said first surface of said die pad and electrically connected to said plurality of inner leads arranged in rows facing each other; and an encapsulant covering said offset chip-stacked structure, said plurality of inner leads, said first surface of said die pad, and said upper surface of said bus bar, said second surface of said die pad and said lower surface of said bus bar being exposed and said plurality of outer leads extending out of said encapsulant.