TPS61256AYFFR

The TPS61256AYFFR 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 crucial.

Key Features:

1. Input Voltage Range: The TPS61256A operates with an input voltage range of 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. The output voltage can be set using external resistors.

3. Efficiency: The TPS61256A boasts high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to extend battery life in portable applications.

4. Output Current: It can deliver up to 1.2A of output current, making it suitable for powering a range of devices, from microcontrollers to sensors and other peripherals.

5. Switching Frequency: The device operates at a fixed switching frequency of 1.2 MHz, which helps to minimize the size of external components, such as inductors and capacitors, leading to a more compact design.

6. Control Method: The TPS61256A uses a peak current mode control scheme, which enhances stability and transient response, making it effective in applications with varying load conditions.

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. Package Type: The TPS61256AYFFR is available in a compact 10-pin VQFN (Very Thin Quad Flat No-lead) package, which is ideal for space-constrained applications.

9. Applications: This DC-DC converter is suitable for a wide range of applications, including portable devices, battery-powered equipment, IoT devices, and any application requiring a stable higher voltage from a lower voltage source.

Summary:

The TPS61256AYFFR from Texas Instruments is a versatile and efficient boost converter that provides a reliable solution for applications requiring step-up voltage conversion. Its combination of high efficiency, adjustable output voltage, and robust protection features makes it an excellent choice for modern electronic designs, particularly in battery-operated devices.