Product Overview: Texas Instruments TPS61059DRCT

The TPS61059DRCT from Texas Instruments is a high-efficiency, synchronous boost converter with integrated dual-mode white LED driver. It is designed to operate with a single Li-Ion or Li-Polymer cell, which makes it an ideal choice for portable applications. The device can drive up to six white LEDs in series and is capable of delivering a constant current to ensure uniform brightness. With a wide input voltage range of 2.7V to 6.5V, the TPS61059DRCT can support applications with varied power sources.

Key Features

• Integrated Synchronous Rectifier: This feature enhances efficiency by reducing diode losses, allowing for longer battery life in portable applications.
• Adjustable Output Voltage: The output voltage can be set up to 38V via an external resistor divider, providing flexibility for different LED configurations.
• Fixed and Adjustable Current Control: The LED current can be programmed with an external resistor, offering design adaptability for various lighting requirements.
• True Shutdown Mode: When disabled, the device completely disconnects the load from the battery, minimizing leakage current and preserving battery life.
• Over-Temperature Protection: The TPS61059DRCT includes a thermal shutdown feature that safeguards the device and the application from overheating.

Applications

The TPS61059DRCT is versatile and can be used in a variety of applications. It is particularly well-suited for portable devices that require LED backlighting, such as smartphones, tablets, and digital cameras. Additionally, it can be utilized in small LCD displays or for general-purpose LED lighting solutions.

Package and Quality

Housed in a compact 10-pin SON package, the TPS61059DRCT is designed to occupy minimal board space while providing robust performance. It is also characterized for operation over a –40°C to 85°C temperature range, ensuring reliable operation in diverse environments. Texas Instruments is committed to high-quality standards, and this product meets stringent reliability requirements, making it a dependable choice for designers and engineers.