TPS82140SILR – TEXAS INSTRUMENTS

The TPS82140SILR is a 40V, 2A synchronous step-down converter from Texas Instruments, packaged in a space-saving 16-pin, 3mm x 3mm QFN (RHL) package. It utilizes a hysteretic control architecture for fast transient response and minimal output voltage ripple, crucial for noise-sensitive applications. Its input voltage range spans 4.5V to 40V, making it suitable for a wide array of automotive, industrial, and portable power systems. The device boasts a high efficiency exceeding 95% across its operating range, minimizing power loss and extending battery life in portable devices._x000D_
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Key features include adjustable output voltage via an external resistor divider, enabling precise voltage regulation; integrated 2A switch, eliminating the need for external MOSFETs; and soft-start functionality to mitigate inrush current. Protection features encompass short-circuit, overcurrent, overtemperature, and undervoltage lockout, enhancing system robustness. Common use cases include powering high-current peripherals in automotive infotainment systems, powering industrial sensors with fluctuating input voltages, and providing regulated power in portable medical devices requiring a compact, efficient solution. The TPS82140SILR’s small footprint and robust features make it an ideal choice where high efficiency, tight regulation, and compact design are paramount.