TPS40200HDR

The TPS40200HDR is a high-performance synchronous buck controller from Texas Instruments, designed for efficient power management in various applications. This device is particularly well-suited for powering microprocessors, FPGAs, and other digital loads that require a stable and adjustable output voltage.

Key Features:

1. Input Voltage Range: The TPS40200HDR operates over a wide input voltage range, typically from 4.5V to 17V, making it versatile for different power supply designs.

2. Output Voltage: The output voltage can be adjusted from 0.8V to 90% of the input voltage, allowing for flexibility in meeting the specific voltage requirements of various components.

3. Synchronous Operation: The controller employs synchronous rectification, which enhances efficiency by reducing conduction losses. This is particularly beneficial in applications where thermal management is critical.

4. High Efficiency: The TPS40200HDR is designed to achieve high efficiency, often exceeding 90%, which helps in minimizing heat generation and improving overall system reliability.

5. Control Method: It utilizes a voltage-mode control scheme with a built-in error amplifier, providing fast transient response and stable operation across a range of load conditions.

6. Frequency Range: The device supports a wide switching frequency range, typically from 100 kHz to 1 MHz, allowing designers to optimize for size, efficiency, and performance.

7. Soft Start: The TPS40200HDR features a soft-start function that limits inrush current during startup, protecting both the power supply and the load.

8. Protection Features: It includes several built-in protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring safe operation under various conditions.

9. Package: The device is available in a compact HTQFP (Heat Sink Thin Quad Flat Package) which aids in thermal management and allows for a smaller PCB footprint.

10. Applications: Common applications for the TPS40200HDR include point-of-load converters, distributed power systems, and battery-powered devices, where efficiency and compact design are paramount.

Conclusion:

The TPS40200HDR from Texas Instruments is a robust and efficient synchronous buck controller that provides designers with the flexibility and performance needed for modern power management solutions. Its combination of high efficiency, adjustable output voltage, and comprehensive protection features makes it an excellent choice for a wide range of applications in the electronics industry.