The TPS61187RTJT from Texas Instruments is a high-efficiency, fully integrated synchronous boost converter that is specifically designed to cater to the power requirements of white LED backlighting in notebook displays and monitors. This advanced power solution incorporates a wide input voltage range and a flexible output configuration that allows it to drive multiple LED strings with precision and reliability.

Key Features

• Integrated Power Switches: The device includes built-in high-side and low-side MOSFET switches, which facilitate a compact design and high power efficiency.
• Wide Input Voltage Range: It operates with an input voltage range from 4.5V to 38V, accommodating a variety of power sources.
• Adjustable Switching Frequency: The TPS61187RTJT provides an adjustable switching frequency from 600kHz to 1.2MHz, allowing designers to optimize performance for their specific application needs.
• High Efficiency: With an efficiency of up to 94%, this converter minimizes power loss and heat generation, making it suitable for energy-sensitive applications.
• Multiple LED String Support: The device is capable of driving up to six strings of LEDs in parallel, with each string supporting up to 10 LEDs in series, providing flexibility for various display sizes and brightness levels.
• Accurate LED Current Matching: The TPS61187RTJT ensures excellent matching between LED strings, which is critical for uniform brightness across the display.

Applications

The Texas Instruments TPS61187RTJT is ideal for powering LED backlights in a range of display technologies. Its precise current regulation and high efficiency make it an excellent choice for:

• Notebook computer screens
• Monitors and TVs
• Portable DVD players
• Car navigation displays

Quality and Reliability

As with all Texas Instruments products, the TPS61187RTJT is manufactured to the highest quality standards, ensuring reliability and performance in demanding environments. It is available in a compact QFN package, which is RoHS compliant and suitable for lead-free soldering processes.

For detailed technical specifications, application notes, and support resources, customers are encouraged to visit the Texas Instruments website or contact their local sales representative.