Introducing the TPS61165DBVT from Texas Instruments

The TPS61165DBVT is a high-performance, monolithic, switch-mode LED driver with an integrated 40-V, 1.2-A switch FET designed to accommodate a wide range of lighting applications. Manufactured by Texas Instruments, a leader in semiconductor solutions, this device is specifically engineered to provide a highly efficient solution for driving high-brightness LEDs.

With an input voltage range of 3 V to 18 V, the TPS61165DBVT is versatile enough to be used in various applications ranging from battery-powered devices to lighting solutions powered directly from industrial voltage rails. Its flexibility is further enhanced by an adjustable output current, which allows the device to drive a string of series-connected LEDs with a constant current that can be set from an external resistor.

The device employs a proprietary switching control technique that enables the use of small, low-profile inductors and ceramic capacitors to minimize the footprint and height of the power supply solution. This makes the TPS61165DBVT an ideal choice for space-constrained applications. Additionally, the driver supports PWM dimming, which offers precise control over LED brightness and helps to achieve high dimming ratios, making it perfect for applications requiring variable light output.

Safety features of the TPS61165DBVT include thermal shutdown, overvoltage protection, and LED open-circuit protection, ensuring reliable operation under various conditions. The device is available in a compact 5-pin SOT-23 package, which provides excellent power dissipation and small form factor benefits.

Whether you're designing LED backlighting systems, portable flashlights, or adjustable lighting fixtures, the TPS61165DBVT offers a high-efficiency, adjustable, and reliable solution that meets the stringent requirements of modern LED lighting applications. Its ease of use and integration into various designs make it an excellent choice for engineers and designers looking to create compact, energy-efficient lighting solutions with Texas Instruments' trusted quality and performance.