TPS61161DRVTG4

The TPS61161DRVTG4 is a high-performance, step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring efficient power conversion. This device is particularly suitable for powering devices from low-voltage sources, such as single-cell lithium-ion batteries, and is often used in portable electronics, LED drivers, and other battery-operated devices.

Key Features:

1. Input Voltage Range: The TPS61161 operates with an input voltage range of approximately 2.3V to 5.5V, making it versatile for various low-voltage applications.

2. Output Voltage: It can boost the input voltage to a regulated output voltage of up to 28V, allowing it to power a wide range of devices and components.

3. Output Current: The device can deliver up to 1A of output current, which is sufficient for many applications, including powering multiple LEDs or other loads.

4. Efficiency: The TPS61161 is designed for high efficiency, often exceeding 90% under typical operating conditions. This efficiency helps to extend battery life in portable applications.

5. Switching Frequency: The converter operates at a fixed switching frequency of 1.2 MHz, which allows for the use of smaller external components, such as inductors and capacitors, thus saving board space.

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

7. Protection Features: The TPS61161 includes several built-in protection features, such as over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown, ensuring reliable operation and safeguarding the device and connected components.

8. Package: The device is available in a compact 10-pin VQFN (4mm x 4mm) package, which is ideal for space-constrained designs.

9. Applications: Common applications include portable devices, battery-powered equipment, LED drivers, and any application requiring a reliable boost converter to step up voltage from a low-voltage source.

Electrical Characteristics:

• Quiescent Current: The TPS61161 has a low quiescent current, which is beneficial for battery-operated devices, as it helps to minimize power consumption when the device is in standby mode.
• Load Regulation: The device provides excellent load regulation, ensuring that the output voltage remains stable even with varying load conditions.

Conclusion:

The TPS61161DRVTG4 from Texas Instruments is a robust and efficient boost converter that meets the needs of modern electronic designs requiring reliable power management. Its combination of high efficiency, compact size, and integrated protection features makes it an excellent choice for engineers looking to optimize power delivery in their applications.