Overview of Texas Instruments TPS61291DRVR

The TPS61291DRVR is a high-performance, low-input voltage boost converter from the renowned semiconductor manufacturer, Texas Instruments (TI). This compact device is designed to efficiently manage power within a wide range of battery-powered and low-power applications. Its primary function is to step up a lower voltage to a higher one, ensuring that electronic devices can operate effectively even when the battery voltage drops below the required level.

Key Features

• Input Voltage Range: The TPS61291DRVR operates with an input voltage as low as 0.7V, making it suitable for single-cell battery applications, including those using Li-Ion, alkaline, or NiMH batteries.
• High Efficiency: With a typical efficiency of up to 90%, this boost converter ensures minimal energy loss during voltage conversion, thereby extending battery life and improving overall system performance.
• Adjustable Output Voltage: The output voltage is adjustable and can be set up to 5.5V via external resistors, providing versatility for various design requirements.
• Power-Save Mode: The TPS61291DRVR includes a power-save mode that reduces quiescent current and maintains high efficiency at light loads, which is critical for maximizing battery life in portable devices.
• Protection Features: The device incorporates several protection features such as over-temperature protection, over-voltage protection, and under-voltage lockout, ensuring reliable operation and safeguarding against potential damage.

Applications

The TPS61291DRVR is ideal for a wide range of applications, particularly where space and power efficiency are critical. Some common applications include:

• Portable and wearable electronics
• Wireless sensors and IoT devices
• Energy harvesting systems
• Medical devices such as glucose meters and pulse oximeters

Packaging and Availability

The TPS61291DRVR is offered in a small 6-pin SON package, which is designed to occupy minimal board space, making it an excellent choice for compact and space-constrained designs. Availability and pricing information can be obtained from Texas Instruments or authorized distributors, ensuring designers have access to the latest technology for their power management needs.