Semiconductor chip and semiconductor device

The invention relates to the technical field of semiconductors, and discloses a semiconductor chip and a semiconductor device, the semiconductor chip comprises a chip body, the chip body comprises an active electrode region, the chip body further comprises a Kelvin source electrode region, and the Kelvin source electrode region is separated from the source electrode region. The semiconductor device comprises a semiconductor chip and a chip packaging structure, the chip packaging structure comprises a substrate, a source electrode pin and a Kelvin source electrode pin are arranged in the substrate, the source electrode pin is connected with a source electrode area through an electric connecting part, and the Kelvin source electrode pin is connected with a source electrode area through an electric connecting part. The Kelvin source electrode pin is connected with the Kelvin source electrode area through an electric connecting component. The structure of the semiconductor chip is improved, the Kelvin source regi