TPS61181RTER

The TPS61181RTER is a high-performance, step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring efficient power conversion. This device is particularly well-suited for powering devices from low-voltage sources, such as single-cell lithium-ion batteries or other low-voltage power sources.

Key Features:

1. Input Voltage Range: The TPS61181RTER operates over a wide input voltage range, typically from 2.3V to 5.5V, making it versatile for various battery-powered applications.

2. Output Voltage: It can boost the input voltage to a higher output voltage, which can be set up to 28V, depending on the external components used. This feature is particularly useful for powering high-voltage devices from lower voltage sources.

3. Efficiency: The device boasts high efficiency, often exceeding 90%, which helps to extend battery life in portable applications. This efficiency is achieved through its advanced control architecture and low quiescent current.

4. Switching Frequency: The TPS61181RTER operates at a fixed switching frequency, typically around 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, thereby reducing the overall footprint of the circuit.

5. Control Method: It employs a current-mode control scheme, which enhances stability and transient response, making it suitable for applications with varying load conditions.

6. Protection Features: The device includes several built-in protection features, such as over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown, ensuring reliable operation and safeguarding against fault conditions.

7. Package: The TPS61181RTER is available in a compact 16-pin HTQFP (Thin Quad Flat Package), which is designed for surface mounting. This package type helps in saving space on printed circuit boards (PCBs).

8. Applications: Common applications for the TPS61181RTER include portable devices, battery-powered equipment, LED drivers, and any application requiring a reliable boost converter to step up voltage efficiently.

Electrical Characteristics:

• Output Current: The device can typically deliver output currents up to 1A, depending on the thermal conditions and the specific application design.
• Operating Temperature Range: The TPS61181RTER is designed to operate over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

Conclusion:

The TPS61181RTER from Texas Instruments is a robust and efficient boost converter that provides a reliable solution for applications requiring voltage step-up from low-voltage sources. Its combination of high efficiency, compact design, and integrated protection features makes it an excellent choice for modern electronic devices.