The TPS61161DRVRG4 is a versatile and efficient LED driver integrated circuit (IC) designed and manufactured by Texas Instruments (TI). This high-performance device is tailored for driving a string of high-brightness LEDs in various lighting applications. Its key features include an adjustable dimming control, which enables precise brightness management, making it an ideal choice for portable devices, backlighting in LCD displays, and general-purpose LED illumination.
Key Features and Benefits
- Wide Input Voltage Range: The TPS61161DRVRG4 operates on an input voltage range from 3V to 18V, making it suitable for a broad array of power sources, from single-cell batteries to multi-cell battery configurations and higher voltage power rails.
- High-Efficiency Boost Converter: The device includes a boost converter with a 1.2MHz fixed switching frequency, which allows for small external components and minimizes the overall solution footprint.
- Integrated Dimming Control: It features an EasyScale™ protocol or a pulse width modulation (PWM) interface for brightness control, providing designers with flexibility in dimming functionality.
- Over-Temperature Protection: The IC is equipped with thermal shutdown protection, safeguarding the device and the system from damage due to excessive heat.
- Over-Voltage Protection: An integrated over-voltage protection circuit prevents damage to the LED array in the event of an open LED condition.
Applications
- LED Backlighting for LCD Displays
- Portable Lighting
- General LED Illumination
The TPS61161DRVRG4 comes in a small 6-pin SON package, making it an excellent choice for space-constrained applications. Its high level of integration and feature set reduces the need for additional external components, which can lead to cost savings and a more reliable end-product. Whether for personal devices or industrial applications, the TPS61161DRVRG4 by Texas Instruments stands as a robust and versatile solution for LED driving requirements.