TPS61182RTETG4 - Texas Instruments LED Driver

The TPS61182RTETG4 is a high-efficiency, fully integrated WLED driver, designed by Texas Instruments for use in notebook LCD backlight applications. This versatile device is capable of driving a string of up to 26 WLEDs in series, ensuring uniform brightness across the display. It is particularly suitable for powering the backlight in LED-based notebook panels, providing consistent and reliable performance.

Key Features

• Integrated Switch: The device includes a 40-V high-side N-channel MOSFET switch for step-up conversion, allowing it to handle a wide range of LED power requirements.
• Wide Input Voltage Range: The TPS61182RTETG4 operates from an input voltage range of 4.5 V to 24 V, accommodating various power sources and system configurations.
• High Efficiency: With its integrated power switch and current sink, the device achieves efficiencies of up to 90%, reducing power consumption and heat generation.
• Adjustable Dimming Control: It offers flexible dimming control through both analog and PWM methods, giving designers precise control over backlight brightness levels.
• Protection Features: The device is equipped with built-in open LED protection, over-voltage protection, under-voltage lockout, and thermal shutdown to ensure safe operation under abnormal conditions.
• Compact Packaging: Housed in a 16-pin WQFN package, the TPS61182RTETG4 is designed for space-constrained applications, providing a compact, efficient solution for LED driving needs.

Applications

The TPS61182RTETG4 is ideal for driving the LED backlight in notebook displays, but its versatility extends to other applications such as:

• Tablet and monitor backlights
• Portable DVD players
• Car navigation displays
• General-purpose LED lighting

With its robust feature set and Texas Instruments' reputation for quality, the TPS61182RTETG4 is a reliable choice for designers looking to enhance the visual performance of their LED-backlit displays while maintaining energy efficiency and safety.