The TPS92691QPWPTQ1 is a highly flexible, multi-topology LED driver integrated circuit brought to you by Texas Instruments. Designed with precision in mind, this device is tailored for automotive and industrial lighting applications. It features an advanced programmable switching frequency that can be adjusted from 200 kHz to 2.2 MHz, enabling designers to balance efficiency against component size.

Key Features

• Wide Input Voltage Range: The TPS92691QPWPTQ1 operates with an input voltage range from 4.5V to 65V, making it suitable for a variety of power supplies and ensuring consistent performance across diverse voltage conditions.
• Adaptive Control: With its proprietary constant on-time (COT) control scheme, the device adapts to input voltage variations, ensuring stable operation without the need for external compensation.
• LED Current Regulation: The device provides precise current regulation for constant luminosity, with an internal 100 mV reference that allows for tight current regulation accuracy over temperature and production variations.
• Thermal Protection: The TPS92691QPWPTQ1 is equipped with thermal shutdown protection, safeguarding the device and the system from overheating.
• Advanced Diagnostics: Integrated diagnostics capabilities facilitate the detection of open-circuit and short-circuit LED conditions, enhancing system reliability.
• Robust Design: The device is designed to withstand automotive load dump conditions and is AEC-Q100 qualified, ensuring high reliability for automotive applications.

Applications

The versatility of the TPS92691QPWPTQ1 makes it an ideal choice for a wide range of lighting solutions. It is particularly well-suited for:

• Automotive exterior and interior lighting
• Daytime running lights
• LED fog lights
• Adaptive front-lighting systems
• Industrial lighting systems

Conclusion

With its advanced feature set and robust design, the TPS92691QPWPTQ1 from Texas Instruments stands out as a sophisticated solution for driving high-brightness LEDs. Whether for automotive or industrial applications, this LED controller provides designers with the flexibility, precision, and reliability needed to create innovative, energy-efficient lighting systems.