The Texas Instruments TPS2043DR is a state-of-the-art power distribution switch designed for applications requiring multiple power switches in a single package. This device is part of the TPS204x family of USB power distribution switches that are ideal for USB and other hot-swap applications.

Key Features

• Multiple Power Switches: The TPS2043DR contains three independent power distribution switches, providing design flexibility and saving board space.
• High Accuracy Current Limiting: The device offers a precise current-limiting function to protect the USB port and connected devices from overcurrent conditions.
• Thermal Shutdown Protection: With built-in thermal shutdown protection, the TPS2043DR ensures safe operation by preventing overheating and potential damage to the circuit.
• Under-Voltage Lockout (UVLO): The UVLO feature ensures that the switches operate at an appropriate voltage level, enhancing system reliability.
• Fast Overcurrent Response: The device reacts quickly to overcurrent events, providing rapid protection for sensitive components.

Applications

The TPS2043DR is suitable for a wide range of applications, particularly those requiring hot-swap or plug-and-play functionalities. It is commonly used in:

• USB Hubs and Peripherals
• Hot-Swap Power Supplies
• Portable Electronics
• Notebook Computers
• Docking Stations

Technical Specifications

• Package: The TPS2043DR is offered in a small-outline package (SOIC), which is ideal for space-constrained applications.
• Input Voltage Range: The device supports an input voltage range from 2.7V to 5.5V, compatible with standard USB power specifications.
• Switch Current: Each channel can deliver up to 500mA of continuous current, suitable for most USB peripherals.
• Operating Temperature: The switch is designed to operate over a temperature range of -40°C to 85°C, ensuring reliability across various environments.

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the TPS2043DR is no exception. This product is manufactured to the highest standards, ensuring both performance and longevity for critical applications.