The TPS2552DBVT from Texas Instruments is a state-of-the-art power switch designed for USB and other hot-swap applications. It is a precision adjustable current-limited power-distribution switch that caters to systems requiring a highly integrated and reliable solution for power management.
Key Features
- Adjustable Current Limit: The device allows users to program the current limit threshold between 0.75 A and 1.3 A via an external resistor, offering flexibility for different application requirements.
- Accurate Current Limiting: The TPS2552DBVT provides a precise current limit within 10% accuracy, ensuring reliable protection for sensitive components.
- Reverse Voltage Protection: The device protects against reverse voltage, safeguarding downstream circuits from potential damage.
- Fast Overcurrent Response: With a quick response time to overcurrent conditions, this switch promptly protects the system from excessive current draw.
- Low On-Resistance: The low on-resistance of the internal FET minimizes voltage drop and power loss, enhancing overall system efficiency.
- Thermal Shutdown Protection: Built-in thermal shutdown protection prevents the device from overheating, ensuring safe operation under high current conditions.
- Under-Voltage Lockout (UVLO): The UVLO feature ensures that the device operates at safe voltage levels, preventing malfunction due to undervoltage conditions.
Applications
With its versatile features, the TPS2552DBVT is ideal for a wide range of applications, including:
- USB hubs, peripherals, and chargers
- Hot-swap power supplies
- Portable consumer electronics
- Industrial and automotive applications
Package and Availability
The device is available in a compact SOT-23-6 package, making it suitable for space-constrained applications. The TPS2552DBVT is part of Texas Instruments' extensive portfolio of power management solutions and is available for order from authorized distributors and directly from the Texas Instruments website.