The TPS61165DRVT by Texas Instruments is a high-efficiency, boost converter that is specifically designed to drive LEDs with a constant current. This device is perfect for powering a string of high-brightness LEDs which are commonly used in backlighting of LCD panels and in general illumination applications.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage range of 3 V to 18 V, making it suitable for a wide array of applications from portable devices to industrial lighting solutions.
• Adjustable Output Voltage: The output voltage can be adjusted up to 38 V, enabling it to drive multiple LEDs in series ensuring uniform brightness and improved efficiency.
• High Efficiency: With an integrated 1.2-A, 40-V power switch, the TPS61165DRVT offers a high efficiency solution, reducing the need for heat sinks and allowing for a more compact design.
• Constant Current Output: The device provides a constant current to the LEDs which helps in delivering consistent light output and prolonging the life of the LEDs.
• Dimming Capability: It supports both analog and PWM dimming, giving designers flexibility in controlling the brightness of the LED array.
• Thermal Shutdown: The TPS61165DRVT is equipped with thermal shutdown protection, safeguarding the device and the LEDs from damage due to overheating.
• Small Package Size: Available in a small 2x2mm 6-pin WSON package, it is ideal for space-constrained applications.

Applications

The versatility of the TPS61165DRVT makes it suitable for a variety of applications, including:

• LED Backlighting for LCD TVs and Monitors
• Notebook and Car Navigation Displays
• General LED Illumination
• Portable and Battery-Powered Equipment

Overall, the TPS61165DRVT from Texas Instruments is a robust, versatile, and efficient solution for driving high-brightness LEDs. Its wide input voltage range, adjustable output voltage, and high efficiency make it a go-to choice for designers looking for a reliable LED driver for their lighting solutions.