TPS2552DBVT

The TPS2552DBVT is a power management integrated circuit (IC) produced by Texas Instruments, designed primarily for USB power distribution applications. It is part of the TPS2552 family, which is known for its high efficiency and versatility in managing power delivery.

Key Features:

1. Current Limiting: The TPS2552 provides adjustable current limiting, which helps protect both the power source and the load from overcurrent conditions. This feature is crucial in applications where devices may draw varying amounts of current.

2. Power Path Management: The IC supports power path management, allowing it to seamlessly switch between different power sources. This is particularly useful in portable devices that may need to switch between battery and external power.

3. Thermal Protection: The device includes thermal shutdown capabilities, which protect the IC from overheating by shutting down the output if the junction temperature exceeds a certain threshold.

4. Voltage Regulation: The TPS2552 can regulate output voltage, ensuring that connected devices receive a stable voltage level, which is essential for reliable operation.

5. Small Package Size: The TPS2552DBVT is housed in a compact VQFN (Very Thin Quad Flat No-lead) package, which measures 3mm x 3mm. This small footprint makes it suitable for space-constrained applications.

6. Wide Input Voltage Range: The IC operates over a wide input voltage range, typically from 2.7V to 5.5V, making it compatible with various power sources, including USB ports.

7. Integrated FETs: The device features integrated power MOSFETs, which reduce the need for external components and simplify the design process.

8. Enable Functionality: The TPS2552 includes an enable pin that allows for easy control of the power output, enabling designers to implement power-saving features in their applications.

Applications:

The TPS2552DBVT is suitable for a variety of applications, including:

• USB power distribution systems
• Battery-powered devices
• Portable electronics
• Power banks
• Automotive power management systems

Electrical Characteristics:

• Output Current: The device can support output currents up to 2.5A, making it suitable for charging and powering a range of devices.
• Quiescent Current: The IC has a low quiescent current, which is beneficial for battery-operated applications where power efficiency is critical.

Conclusion:

The TPS2552DBVT from Texas Instruments is a highly versatile and efficient power management IC that offers essential features for current limiting, thermal protection, and power path management. Its compact size and wide input voltage range make it an excellent choice for modern electronic devices that require reliable power distribution and management.