Multi-port power supply apparatus and power supplying method thereof

A multi-port power supply apparatus comprising:

• a power supply circuit configured to provide a source electric energy;
• a plurality of connecting ports;
• a plurality of power converters respectively coupled to the connecting ports in a one-to-one manner, wherein the power converters are coupled to the power supply circuit to receive the source electric energy, and any one of the power converters converts the source electric energy into an output electric energy and outputs the output electric energy to a corresponding connecting port among the connecting ports;
• and
• a common control circuit coupled to the connecting ports to learn voltage demands and power demands of the connecting ports, wherein the common control circuit correspondingly controls the power supply circuit to dynamically adjust the source electric energy according to the voltage demands and the power demands of the connecting ports to improve a voltage conversion efficiency of the multi-port power supply apparatus.