TPS2556QDRBRQ1 - Precision Adjustable Current-Limited Power-Distribution Switch

The TPS2556QDRBRQ1 from Texas Instruments is a state-of-the-art power switch designed for USB and other hot-swap applications. This device is part of TI's power distribution switch family, offering a precision current-limiting feature that allows the user to set the load current limit to desired values as per the application requirements.

Key Features:

• Adjustable Current-Limit Threshold: The TPS2556QDRBRQ1 allows for precise setting of the current limit from 0.75 A to 5 A through an external resistor. This feature provides flexibility and protection for various USB peripherals and other devices.
• Accurate Overcurrent Protection: With a 6% accuracy at the higher end of the current-limit threshold, the device ensures reliable protection for sensitive components.
• Reverse Voltage Blocking: The integrated MOSFET transistor prevents reverse current flow when the device is powered off, protecting downstream components.
• Fast Overcurrent Response: The device reacts to overcurrent conditions in less than 2 µs, minimizing the risk of damage due to current spikes.
• Under-Voltage Lockout (UVLO): The TPS2556QDRBRQ1 includes UVLO protection, which ensures that the device operates only when the input voltage is within a specified range, preventing malfunctions due to undervoltage conditions.

Applications:

• Automotive USB power supply
• Portable electronics
• Industrial and medical equipment
• Hot-swap power supplies

Quality and Reliability:

The TPS2556QDRBRQ1 is designed to meet the rigorous demands of automotive and industrial applications. It is qualified for automotive applications according to AEC-Q100 standards, ensuring high reliability and performance under extreme conditions. The device is available in a compact, surface-mount QFN package, which is RoHS compliant and suitable for space-constrained applications.

With its precision current limiting, fast response time, and robust protection features, the TPS2556QDRBRQ1 is an ideal solution for power distribution tasks that require both accuracy and reliability.