In today’s automotive power distribution architectures, a 42 V-to-12 V converter is required to step down the higher-voltage rail to the traditional 12 V domain, which continues to supply most ECUs, lighting, infotainment, and comfort loads. This conversion stage is commonly integrated into both Power Distribution Units (PDUs) and Zonal Control Units (ZCUs). It enables the benefits of 48 V distribution, such as reduced cable gauge, lower weight, and improved efficiency, while maintaining compatibility with legacy 12 V actuators in a higher-voltage vehicle architecture.