TPS92691PWPR Integrated Circuits (ICs)

TPS92691PWPR is an integrated current controller for driving LEDs. It provides high efficiency, wide range of output current, and better current accuracy from an integrated device. With low minimum operating voltage and high frequency operation, the PWPR supports size and cost reduction through reduced component count.

The work principle of the TPS92691PWPR is simple and direct - current mode control. It uses a pulse-width modulation (PWM) signal to adjust the duty-cycle of the output current in order to control the output current. The current through the LEDs is regulated to a set value by adjusting the internal sense resistor. The component features a shutdown pin, which is used to completely shut off the LED when necessary.

The TPS92691PWPR has wide range of applicability. It is ideal for solid state lighting (SSL) applications, LED backlighting and LED signage. The component is also suitable for LED bulbs and LED conversion bulbs, as well as LED strips and LED replacement bulbs. Furthermore, it is suitable for automotive application, such as LED headlights and LED taillights.

In addition, with its integrated analog dimming feature, the TPS92691PWPR allows for smooth linear dimming capabilities by allowing analog dimming signals to control the LED current in order to achieve desired intensity levels. This, provides for longer LED life, less power dissipation and greater control of accurate dimming levels.

The TPS92691PWPR also features integrated hysteresis and wide frequency operation, both of which will improve electrical efficiency and boost power stability, while keeping LED current accuracy within a tight range. The component also features adjustable PWM dimming frequency, providing additional flexibility to designers.

The TPS92691PWPR is a great example of the modern trend of integrating multiple components into a single integrated device. Its small size, wide range of features and high efficiency make it an ideal choice for a wide variety of lighting applications.