The TPS51200QDRCRQ1 is a highly efficient single-synchronous buck controller designed for automotive applications. This device is designed to provide a regulated voltage to the microprocessor in automotive applications. The TPS51200QDRCRQ1 operates over an input voltage range of 4.5 V to 28 V and can withstand load dump voltages up to 40 V. It features an integrated low-side MOSFET to provide high efficiency and low power dissipation. The device also includes synchronous rectification for improved efficiency, and a low-dropout voltage of only 200 mV at 15 A. In addition, the TPS51200QDRCRQ1 offers a selectable switching frequency for optimization of size and efficiency. The device is AEC-Q100 qualified for automotive applications and is designed to meet the stringent requirements of the automotive industry in terms of reliability and performance. With its high efficiency, robust design, and automotive qualification, the TPS51200QDRCRQ1 is an ideal choice for powering microprocessors in automotive applications.