The TPS2051BDBVRG4, manufactured by Texas Instruments, is a state-of-the-art power distribution switch designed for applications where saving space is critical. This compact, single-channel, current-limited, power distribution switch is optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.

Key Features

• Integrated Fault Protection: The TPS2051BDBVRG4 includes over-current and thermal protection to safeguard your devices from electrical damage.
• High Accuracy: With a high accuracy current limiting, you can trust this switch to deliver precise power control to your connected devices.
• Low Power Consumption: This switch features a low on-resistance of 70 mΩ (typical), which reduces power loss and improves efficiency.
• Fast Transient Response: It is designed to handle fast transients, ensuring stable operation during sudden changes in load.

Applications

The TPS2051BDBVRG4 is ideal for a variety of applications, including:

• USB hubs, peripherals, and portable devices
• Hot-swap power supplies
• Battery-charger circuits
• Power distribution for consumer electronics

Technical Specifications

• Input Voltage Range: 2.7 V to 5.5 V
• Continuous Load Current: 500 mA
• Operating Temperature Range: -40°C to 85°C
• Packaging: SOT-23-5

With its SOT-23-5 package, the TPS2051BDBVRG4 is not only space-efficient but also offers a reduced footprint on the PCB, making it an excellent choice for compact designs. Its built-in charge pump ensures that the external N-channel MOSFET switch can be controlled without an additional external voltage, simplifying the design and reducing component count.

For engineers and designers looking for a reliable power distribution solution with advanced protection features, the TPS2051BDBVRG4 from Texas Instruments is an exceptional choice that combines performance, efficiency, and compactness.