Patent ID: 8427840

Claim:
A multi-chip module, comprising: a pin frame including a chip placement region, a first pin, a second pin, a third pin, a fourth pin, a fifth pin, and a sixth pin, wherein the second pin and the fifth pin are electrically connected to the chip placement region, and the first pin, the third pin, the fourth pin, and the sixth pin are electrically isolated from each other; an electric power switch chip including a top surface and a bottom surface, wherein the bottom surface of the electric power switch chip is electrically connected at the chip placement region, and the top surface of the electric power switch chip is electrically connected to the first pin and the third pin; and a battery protection chip including a top surface and a bottom surface, wherein the bottom surface of the battery protection chip is disposed at a predetermined area of the top surface of the electric power switch chip in an electrically isolated manner, and the top surface of the batter protection chip is electrically connected to the top surface of the electric power switch chip, the first pin, the fourth pin, and the sixth pin.