VI4300 is a long distance, high performance, receiver integrated laser ranging chip released by core vision, for sweeping machine, AGV, uav and other application fields of professional customization. The chip is integrated with single photon (SPAD) detection array, single photon pixel control, ranging circuit, algorithm/memory/interface, and microprocessor. Compared with the traditional separation device scheme, it has the huge advantages of low power consumption and low cost. The product has been mass-produced in the fields of sweeping robot, uav, automatic industrial car (AGV) and so on.