TPS62743YFPR

The TPS62743YFPR is a highly efficient, low-power DC-DC step-down (buck) converter designed by Texas Instruments. It is particularly well-suited for battery-powered applications due to its ultra-low quiescent current and high efficiency across a wide range of load conditions.

Key Features:

1. Input Voltage Range: The TPS62743 operates with an input voltage range typically from 1.8V to 5.5V, making it compatible with various power sources, including single-cell lithium-ion batteries.

2. Output Voltage: The device can be configured to provide a fixed output voltage of 1.2V, 1.5V, or 1.8V, or it can be adjusted to other voltages through external resistors, allowing flexibility for different applications.

3. Output Current: It can deliver up to 1A of output current, which is sufficient for many low-power devices, including sensors, microcontrollers, and other portable electronics.

4. Efficiency: The TPS62743 boasts high efficiency, often exceeding 90% under typical load conditions. This efficiency helps to extend battery life in portable applications.

5. Quiescent Current: One of the standout features of the TPS62743 is its ultra-low quiescent current, typically around 1.5 µA in sleep mode. This characteristic is crucial for applications that require long battery life, as it minimizes power consumption when the device is idle.

6. Switching Frequency: The converter operates at a fixed switching frequency of 2.5 MHz, which allows for the use of small external components, contributing to a compact design.

7. Package: The TPS62743YFPR comes in a small, thermally enhanced 6-pin VQFN package, which measures 1.5 mm x 2.5 mm. This compact size is ideal for space-constrained applications.

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

9. Application Areas: The TPS62743 is suitable for a wide range of applications, including wearables, IoT devices, portable medical equipment, and other battery-operated systems where efficiency and low power consumption are critical.

Conclusion:

The TPS62743YFPR from Texas Instruments is a versatile and efficient buck converter that excels in low-power applications. Its combination of high efficiency, low quiescent current, and compact package makes it an excellent choice for designers looking to optimize battery life and performance in portable electronic devices.