Charging switching circuit, charging device and electronic equipment

The utility model provides a charging switching circuit, a charging device and electronic equipment. The circuit comprises a port circuit, a protocol detection circuit, a master control circuit and a power supply circuit. The protocol detection circuit outputs a detection signal to the main control circuit after detecting a charging selection mode of a user for an electronic device connected to the port circuit, the charging selection mode of the user comprises a fast charging mode and a non-fast charging mode, and the main control circuit outputs a voltage output switching control signal to the power supply circuit according to the detection signal; and the power supply circuit outputs the charging voltage based on the voltage output switching control signal, so that intelligent switching of the charging mode of the electronic equipment is realized, the service lives of the battery and the charging device are prolonged, and the charging safety of the electronic equipment is improved. 本实用新型提供一种充电切换电路、充电装置及电子设