A8508GLPTR-T 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

PMIC (Power Management Integrated Circuits) are designed to supply power to electronic systems, like those used in phones, tablets, and computers. LED drivers are one of the many types of PMICs that are designed to specifically provide power to LED components.

One of the popular LED drivers is the A8508GLPTR-T. It is a high-efficiency LED driver that is suitable for automotive and commercial applications. It is capable of delivering up to 4 watts of power in an ultra-small 4.6 x 1.6 mm SOIC package.

The A8508GLPTR-T supports 1-4 discrete white LEDs with a current range of 50-500mA per LED. It is designed to accept a DC input voltage ranging from 4.5 to 36V, making it suitable for a wide range of applications. It has an embedded over temperature and LED open circuit protection circuitry and can operate in a wide temperature range of -40°C to +125°C.

The A8508GLPTR-T features include enhanced switching frequency and PWM compatibility, a low dropout voltage of 0.35V, programmable soft start, and very low quiescent current of 8μA at no load. Furthermore, it has a programmable current limit and gain with an external resistor. The output current can be adjusted with an external resistor to up to 500mA per channel, depending on the application’s needs.

As for its application field, the A8508GLPTR-T is suitable for a range of backlight applications in automotive and commercial electronics, including automotive lighting and commercial lighting. It can also be used for general illumination applications and for low-power high brightness LED driving.

How does the A8508GLPTR-T work? It is a switching regulator that works by utilizing an input voltage and then controlling the output current. It uses an external sense resistor to detect the output current, which is then regulated by a control loop. The output current is determined based on the gain of the amplifier and the resistance of the sense resistor.

The A8508GLPTR-T utilizes a synchronous rectification method to achieve high efficiency. The current to the LED is regulated by a fixed frequency switching regulator that switches between peak and valley current control. This switching is then rectified with two MOSFETs to achieve high efficiency.

In summary, the A8508GLPTR-T is a high efficiency LED driver suitable for both automotive and commercial applications. It is capable of delivering up to 4 watts of power in an ultra-small 4.6 x 1.6mm SOIC package. It supports 1-4 discrete white LEDs with current range of 50-500mA per LED. Its features include enhanced switching frequency, programmable current limit and gain, and enhanced PWM compatibility. Its applications include automotive lighting, commercial lighting, general illumination, and more. Its working principle is based on a synchronous rectification method and an external sense resistor.

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