Texas Instruments

TPS28226DRBT

The TPS28226DRBT is a high-efficiency, synchronous, step-down (buck) converter from Texas Instruments. It is designed to provide efficient power conversion in a wide range of applications, including automotive, industrial, and telecom systems.

Description:

The TPS28226DRBT is a highly integrated, high-efficiency step-down converter that operates from a wide input voltage range of 4.5V to 60V. It can deliver an output voltage as low as 0.9V and is capable of providing an output current of up to 2A. The device is available in a compact 20-pin, 3mm x 3mm WQFN package.

Features:

1. High Efficiency: The TPS28226DRBT offers high efficiency of up to 97%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can operate from a wide input voltage range of 4.5V to 60V, making it suitable for various applications with different input voltage requirements.
3. Low Output Voltage: The TPS28226DRBT can provide an output voltage as low as 0.9V, which is useful for powering low-voltage applications.
4. High Output Current: The device can deliver an output current of up to 2A, making it suitable for applications that require higher current levels.
5. Synchronous Rectification: The TPS28226DRBT uses synchronous rectification, which helps improve efficiency by reducing the voltage drop across the rectifying diodes.
6. Programmable Soft Start: The device features a programmable soft-start function, which helps reduce inrush current and minimize output voltage overshoot during startup.
7. Protection Features: The TPS28226DRBT includes various protection features such as over-current protection, over-voltage protection, and thermal shutdown to ensure reliable operation and protect the device from potential damage.

Applications:

1. Automotive Applications: The TPS28226DRBT can be used in automotive applications such as infotainment systems, instrument clusters, and LED lighting.
2. Industrial Applications: The device can be used in industrial applications like motor drives, sensor power supplies, and programmable logic controllers (PLCs).
3. Telecom Applications: The TPS28226DRBT can be used in telecom applications such as base station power supplies and network equipment power supplies.
4. General Purpose Power Conversion: The device can also be used in various other applications that require efficient step-down power conversion, such as portable electronics, medical devices, and battery charging systems.

In summary, the TPS28226DRBT is a high-efficiency, synchronous step-down converter from Texas Instruments that offers a wide input voltage range, low output voltage, and high output current capabilities. It is suitable for a variety of applications, including automotive, industrial, and telecom systems, and provides various protection features to ensure reliable operation.