RT9284B-20GJ6E

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

PMIC - LED drivers are devices that convert electrical signals into light. The RT9284B-20GJ6E is a four-channel constant current LED sink driver with a high integration level. It is used to drive a variety of LED configurations, such as single, dual, and multiple LED strings, offering advanced features and protection.

The RT9284B-20GJ6E is an efficient, cost effective, and reliable driver solution for lighting systems. It provides both analog and digital dimming, increasing energy savings or improving lighting effects in applications where power savings are important. It also features an adjustable threshold for brightness and dimming control, adjustable dimming slope according to the type of light source, and adjustable PWM frequency to reduce electromagnetic radiation.

The device has a wide range of applications, including indoor or outdoor lighting, LCD backlighting, garden lighting, architectural lighting, and projection lighting. Its high integration level also makes it suitable for automotive applications. Its advanced protection functions include over-temperature protection, reverse connection protection, over-voltage protection, under voltage protection, and surge protection.

In terms of working principle, the RT9284B-20GJ6E is a buck-boost converter, which converts a varying output voltage to a constant voltage used in LED driving. It has two buck-boost stages, one for each of the 4 LED channels. The first stage is used to provide power to the LEDs, while the second stage is used to adjust the brightness and voltage level of the LEDs. This is done by using pulse-width modulation (PWM) and dimming curves, which adjust the current and voltage of the LED. The PWM pulses are then fed to the LED, which then adjusts the LED\'s brightness and voltage. As the LED requires a constant current to produce light, the device\'s output current is automatically monitored and adjusted, ensuring a constant light output.

The RT9284B-20GJ6E is a highly integrated, cost-effective, easy-to-use, and reliable solution for LED driving. Its multiple protection functions and adjustable parameters make it suitable for a variety of applications. Its efficient design helps reduce power consumption, making it an ideal choice for energy-saving applications.

The specific data is subject to PDF, and the above content is for reference