TPS259251DRCT – TEXAS INSTRUMENTS

The TPS259251DRCT is a single-channel, 5A synchronous buck converter from Texas Instruments, packaged in a compact 16-pin QFN (4x4mm) surface-mount format. Designed for high-efficiency power conversion in space-constrained applications, it features a wide input voltage range of 4.5V to 18V, enabling its use in diverse systems. The device boasts a programmable output voltage, typically adjustable from 0.8V to 5.5V via an external resistor divider, allowing for flexible system design. Its internal synchronous rectification minimizes power loss, achieving efficiencies exceeding 90% across a significant load range._x000D_
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Key features include integrated soft-start for reduced inrush current, overcurrent protection, thermal shutdown, and an enable pin for power control. The TPS259251DRCT excels in applications requiring precise voltage regulation and high efficiency, such as powering high-current load devices (e.g., processors, FPGAs) from a higher-voltage supply. Its small footprint and integrated protection mechanisms simplify PCB layout and reduce the overall bill of materials compared to discrete solutions. The device’s inherent robustness makes it suitable for industrial and automotive applications demanding reliability and efficiency under varying operating conditions.