The push for a cleaner and more sustainable energy future has placed green hydrogen at the forefront as a critical fuel source for decarbonizing industries and energy systems. Electrolyzers, which split water into hydrogen and oxygen using electricity, play a pivotal role in green hydrogen production. However, these systems demand highly efficient, precise, and reliable power supplies to ensure consistent and optimized performance. Power supplies for electrolyzers must provide stable current and voltage control to achieve maximum hydrogen production efficiency while minimizing energy consumption and operational costs. As the global transition to hydrogen accelerates across sectors like transportation, energy storage, and industrial processes, advanced electrolyzer power supply solutions are becoming increasingly vital to meet the growing demand for sustainable and renewable energy solutions.