RT9285CGQW Integrated Circuits (ICs)

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

The RT9285CGQW is a highly efficient, precision programmable LED driver IC, which is designed for use in LED backlighting applications. With an impressive feature set including adjustable brightness, active LED protection, integrated power supply design and universal LED driver topology, RT9285CGQW provides an excellent LED solution for high performance LED displays. This device is primarily used in the fields of portable display, TV, notebook and tablet PC backlight applications.

The RT9285CGQW is a PMIC (Power Management Integrated Circuit) and LED driver, which consists of two parts: the main regulated converter and on-time protection control. The main regulated converter is a synchronous buck converter; it consists of an oscillator, a PWM amplifier and an internal MOSFET switch. This design provides high efficiency, wide input voltage range and high adjustable current range up to 8A. The on-time protection control features a built-in LCD power supply design, which can protect from under voltage lockout and over voltage protection.

The working principle of the RT9285CGQW is simple. When a constant DC voltage is applied to the input terminals, the oscillator starts and the output voltage is balanced by a PWM control loop. The internal MOSFET switch is controlled by the internal PWM amplifier which provides the maximum current to the LED and sets the LED’s brightness. The on-time protection control ensures LED safety by monitoring the output voltage and comparing the current output with the preset maximum current value. If the current increases over the preset maximum current value, the internal MOSFET switch will be disabled and the LED will be turned off to prevent further damage caused by over current.

Compared with traditional chip-on-board LED backlight driver ICs, the RT9285CGQW can provide higher efficiency, better performance and lower external components count. Due to robust features and high efficiency, RT9285CGQW is becoming very popular for LED backlighting applications in various fields such as LED lighting, notebook and tablet PC applications.

In conclusion, the RT9285CGQW is a highly efficient and precision programmable LED driver IC. It is primarily used in the fields of portable display, TV, notebook and tablet PC back light applications. The RT9285CGQW is a PMIC and LED driver with a high-efficiency synchronous buck converter and on-time protection control. It can provide excellent LED lighting and long lasting performance.

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