DC-DC converters are essential power electronics devices that transform direct current (DC) from one voltage level to another, ensuring efficient and stable power delivery. They are commonly used in industrial automation, automotive systems, telecommunications, and portable electronics. These converters come in various types, including buck (step-down), boost (step-up), and buck-boost configurations, allowing flexible voltage regulation. With high efficiency, compact designs, and advanced protection features, DC-DC converters play a crucial role in optimizing power usage, minimizing energy loss, and ensuring reliable operation of electronic systems.