A high-efficiency synchronous rectifier non-isolated DC-DC boost power supply solution based on the EG1164 chip, using a synchronous rectifier BOOST topology, with an input voltage range of 9V - 15V (customizable for a wider range), maximum efficiency of 95%, featuring per-cycle current limiting control and output short-circuit burst protection, adjustable output voltage and peak current limit, suitable for battery-powered devices, electric bicycles, industrial control, and various other fields.