Electromagnetic hunting interface circuit and its system IC design of the spindle by the design of a new type of electromagnetic hunting device can be placed in any vibration source such as the human body can generate electricity, analyze its power generation and equivalent circuit Modeland to This design-interface circuit recovers the electrical energy generated by this mechanism, and finally integrates the circuit into the IC , and combines the PCB circuit board design and the use of SMD components to miniaturize it to become an independent integrated power generation system device Can extend battery life and life, or can be used in micro-energy electronic circuit device can be maintained for a long time operation without additional charge or replace the battery.