TPS2553DRVT

The TPS2553DRVT is a power management integrated circuit (IC) manufactured by Texas Instruments. It is designed primarily for USB power distribution applications, providing a robust solution for controlling power delivery to various devices. Below is a detailed description of its key features and specifications:

General Overview:

• Type: Power Distribution Switch
• Package: The TPS2553 is available in a 10-pin VQFN (Very Thin Quad Flat No-lead) package, which is compact and suitable for space-constrained applications.

Key Features:

1. Current Limit: The TPS2553 offers adjustable current limiting, allowing designers to set the maximum output current to protect both the power source and the load. This feature is crucial for preventing overcurrent conditions that could damage components.

2. Power Path Management: The device supports seamless power path management, enabling it to switch between different power sources efficiently. This is particularly useful in applications where multiple power sources are available.

3. Reverse Current Protection: The IC includes built-in reverse current protection, preventing current from flowing back into the power source when the load is disconnected or when the device is powered off.

4. Thermal Protection: The TPS2553 is equipped with thermal shutdown capabilities, which protect the device from overheating by shutting down the output if the junction temperature exceeds a certain threshold.

5. Low On-Resistance: The device features a low on-resistance (RDS(on)), which minimizes power loss and heat generation during operation, enhancing overall efficiency.

6. Enable Function: The TPS2553 includes an enable pin that allows for easy control of the power switch. This feature can be used to turn the device on or off based on system requirements.

7. Wide Input Voltage Range: The IC operates over a wide input voltage range, typically from 2.7V to 5.5V, making it suitable for various applications, including USB power delivery.

8. Integrated Fault Reporting: The device can provide fault reporting through a dedicated pin, allowing the system to monitor the status of the power distribution and respond to fault conditions.

Applications:

The TPS2553 is ideal for a variety of applications, including:

• USB power distribution hubs
• Battery-powered devices
• Consumer electronics
• Automotive applications
• Industrial equipment

Electrical Characteristics:

• Output Current: The device can support output currents up to 3A, depending on the configuration and thermal conditions.
• Operating Temperature Range: The TPS2553 is designed to operate in a wide temperature range, typically from -40°C to +125°C, making it suitable for both consumer and industrial applications.

Conclusion:

The TPS2553DRVT from Texas Instruments is a versatile and efficient power distribution switch that provides essential features for managing power delivery in various electronic applications. Its combination of adjustable current limiting, thermal protection, and low on-resistance makes it a reliable choice for designers looking to enhance the power management capabilities of their systems.