TPS62240DDCRG4

The TPS62240DDCRG4 is a high-performance step-down (buck) voltage regulator from Texas Instruments, designed to efficiently convert a higher input voltage to a lower output voltage. This device is particularly well-suited for applications requiring a compact power solution with high efficiency and low output ripple.

Key Features:

1. Input Voltage Range: The TPS62240 operates with an input voltage range of 4.5V to 17V, making it versatile for various power supply applications.

2. Output Voltage: It can be configured to provide a fixed output voltage of 1.2V, 1.5V, or adjustable output voltage down to 0.8V, allowing for flexibility in design.

3. Output Current: The regulator can deliver up to 2A of continuous output current, making it suitable for powering a range of devices, from microcontrollers to more demanding loads.

4. Efficiency: The TPS62240 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. Package: The TPS62240DDCRG4 comes in a small, thermally enhanced 10-pin VQFN package (3mm x 3mm), which is ideal for space-constrained applications.

7. Protection Features: It includes several built-in protection features, such as overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring reliable operation and safeguarding the device and connected components.

8. Power Good Indicator: The device features a power good (PG) output that signals when the output voltage is within the specified range, allowing for system-level monitoring.

9. Soft Start: The TPS62240 incorporates a soft-start feature that limits inrush current during startup, reducing stress on the power supply and connected components.

Applications:

The TPS62240 is suitable for a wide range of applications, including:

• Portable devices
• Battery-powered equipment
• Point-of-load (POL) regulation
• FPGA and DSP power supplies
• Consumer electronics
• Industrial automation

Conclusion:

Overall, the TPS62240DDCRG4 from Texas Instruments is a robust and efficient buck converter that provides designers with a reliable solution for stepping down voltage in a compact form factor. Its combination of high efficiency, flexible output options, and integrated protection features makes it an excellent choice for modern electronic applications.