The present disclosure provides a semiconductor chip power supply system, including: a semiconductor chip including: a first data processing function area and a first power converter control area formed on a first semiconductor substrate of the semiconductor chip; and a first power converter power stage located outside the first semiconductor substrate and electrically connected to the first power converter control area and the first data processing function area; wherein the first power converter control area controls the first power converter power stage to supply power to the first data processing function area, and the first power converter control area adjusts the output voltage of the first power converter power stage according to information corresponding to a working status of the first data processing function area.