TPS61282DYFFR

The TPS61282DYFFR is a high-performance, step-up (boost) DC-DC converter from Texas Instruments, designed to efficiently convert low input voltages to higher output voltages. This device is particularly useful in battery-powered applications where maximizing battery life and efficiency is critical.

Key Features:

1. Input Voltage Range: The TPS61282 operates with an input voltage range of approximately 1.8V to 5.5V, making it suitable for a variety of power sources, including single-cell lithium-ion batteries and other low-voltage power supplies.

2. Output Voltage: The device can provide a regulated output voltage of up to 5.5V, with an adjustable output voltage option that allows for flexibility in design. This is particularly beneficial for applications requiring specific voltage levels.

3. Efficiency: The TPS61282 boasts high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to extend battery life in portable applications and reduces heat generation.

4. Output Current: The converter can deliver output currents up to 1A, making it suitable for powering various loads, including microcontrollers, sensors, and other peripherals.

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, thereby saving board space.

6. Control Method: It employs a peak current mode control scheme, which enhances stability and transient response, ensuring reliable operation across varying load conditions.

7. Protection Features: The TPS61282 includes several built-in protection features, such as overcurrent protection, thermal shutdown, and under-voltage lockout, which help safeguard both the device and the connected load.

8. Package: The device is available in a compact 10-pin VQFN (3mm x 3mm) package, which is ideal for space-constrained applications. The small footprint allows for easy integration into various designs.

9. Applications: Typical applications for the TPS61282 include portable devices, battery-powered equipment, IoT devices, and any application requiring a reliable boost converter to step up voltage from a low power source.

Conclusion:

The TPS61282DYFFR from Texas Instruments is a versatile and efficient boost converter that meets the demands of modern electronic designs. Its combination of high efficiency, adjustable output voltage, and robust protection features makes it an excellent choice for engineers looking to optimize power management in their applications.