Chip heat dissipation device and electronic equipment

The invention provides a chip heat dissipation device and electronic equipment, and relates to the technical field of electronic equipment heat dissipation, the chip heat dissipation device comprises a circuit board, the circuit board is provided with a first chip element and a second chip element, and the heating value of the first chip element is larger than that of the second chip element; the radiator comprises a heat dissipation shell and heat dissipation fins, the heat dissipation shell is fixedly connected with the circuit board, a main heat dissipation cavity, a liquid return cavity and a liquid outlet cavity which are communicated with one another are defined on the inner side of the heat dissipation shell, the heat dissipation fins are arranged in the main heat dissipation cavity, the liquid return cavity and the liquid outlet cavity, and the liquid return cavity and the liquid outlet cavity are communicated with an external cooling device to form a circulation loop; a phase change heat absorption m