Introducing the TPS2051CDBVR, a highly-efficient, 500-mA, current-limited power-distribution switch from Texas Instruments. This compact, low resistance switch operates at an input voltage range of 2.7V to 5.5V, making it an ideal solution for a wide range of applications, including notebooks, PDAs, and other portable devices. The TPS2051CDBVR features a precise current-limiting function that protects the input supply against overloads, making it capable of providing short-circuit and thermal protection for the connected load. Its low on-resistance ensures minimal voltage drop across the switch, resulting in high power efficiency. Furthermore, this power-distribution switch is available in a space-saving SOT-23 package, maximizing design flexibility and saving valuable board space. With its comprehensive protection features, compact size, and excellent performance, the TPS2051CDBVR is the perfect choice for power-distribution solutions in a wide range of portable electronic devices.