TPS62231DRYR

The TPS62231DRYR is a high-performance step-down (buck) voltage regulator from Texas Instruments, designed for applications requiring efficient power conversion. This device is particularly well-suited for powering low-voltage digital circuits, such as microcontrollers, FPGAs, and DSPs, where space and efficiency are critical.

Key Features:

1. Input Voltage Range: The TPS62231 operates with an input voltage range of 2.3V to 5.5V, making it versatile for various power sources, including single-cell lithium-ion batteries and regulated power supplies.

2. Output Voltage: The output voltage can be adjusted from 0.8V to 3.6V, allowing for flexibility in powering different components. The output voltage is set using external resistors, enabling precise voltage regulation.

3. Output Current: This regulator can deliver up to 3A of continuous output current, making it suitable for applications with moderate to high current demands.

4. Efficiency: The TPS62231 is designed for high efficiency, often exceeding 90% under typical load conditions. This efficiency helps to minimize heat generation and prolong battery life in portable applications.

5. Switching Frequency: The device operates at a fixed switching frequency of 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, contributing to a compact design.

6. Power Save Mode: The TPS62231 features a power save mode that enhances efficiency at light load conditions, reducing quiescent current and improving overall performance in battery-powered applications.

7. Thermal Protection: The regulator includes thermal shutdown and current limit features to protect the device and the load from overheating and overcurrent conditions.

8. Package: The TPS62231DRYR is housed in a 16-pin HTQFP (Thin Quad Flat Package) with a small footprint, making it suitable for space-constrained designs.

9. Control Method: It employs a voltage mode control scheme with a fast transient response, ensuring stable operation even with sudden changes in load.

Applications:

The TPS62231 is ideal for a variety of applications, including:

• Portable devices (smartphones, tablets)
• Point-of-load (POL) converters
• FPGA and DSP power supplies
• Battery-powered equipment
• Industrial automation systems

Conclusion:

Overall, the TPS62231DRYR from Texas Instruments is a robust and efficient buck converter that provides reliable power management solutions for modern electronic devices. Its combination of high efficiency, adjustable output voltage, and compact design makes it a popular choice among engineers looking to optimize power delivery in their designs.