The TPS61041DRVR is a high-frequency, boost-converter integrated circuit designed and manufactured by Texas Instruments. This small and efficient chip is specifically engineered to drive white LEDs from a single-cell Li-Ion battery. Its main application includes powering the backlight in portable devices with LCD displays, such as mobile phones, PDAs, and other handheld devices.

Key Features

• Adjustable Output Voltage: The TPS61041DRVR offers an adjustable output voltage up to 28V, which allows for multiple LEDs to be driven in series, ensuring uniform brightness and maximizing efficiency.
• High Efficiency: With a switch frequency of up to 1MHz, the device allows for the use of small, low-profile inductors and capacitors, resulting in a compact power supply design with good power conversion efficiency.
• Low Quiescent Current: The device has a quiescent current of typically 28µA, making it suitable for battery-powered applications where power conservation is critical.
• Integrated Power Diode: The TPS61041DRVR integrates a power diode, which simplifies the design and minimizes external component count.
• Protection Features: It includes built-in over-temperature and over-voltage protection, ensuring safe operation under abnormal conditions.

Applications

The versatility of the TPS61041DRVR makes it ideal for a wide range of applications beyond LED driving. These include:

• Portable and battery-powered equipment
• Low-power DC-DC converters
• Supply voltage for small OLED displays

Package and Availability

The TPS61041DRVR is available in a small 6-pin SON package, which is ideal for space-constrained applications. The device's package is designed for optimal thermal performance and reliability. Texas Instruments ensures availability and support for this product, making it a reliable choice for designers and manufacturers.

Conclusion

Overall, the TPS61041DRVR from Texas Instruments is a robust, efficient, and versatile solution for powering LEDs and other portable device components. With its high-frequency operation and integrated features, it simplifies the design of compact and energy-efficient power supplies.