LP8860RQVFPRQ1

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 used to optimize and control the electrical performance of individual electronic products. Nowadays, LED drivers are becoming increasingly important as they are durable and efficient power sources that can provide LED lighting for a broad range of applications. The LP8860RQVFPRQ1 LED driver is one of the latest offering from Texas Instruments, delivering an advanced design and sophisticated features for controlling current and layout of LEDs. This article will discuss the features, applications and working principle of the LP8860RQVFPRQ1 LED driver.

LP8860RQVFPRQ1 Features

The LP8860RQVFPRQ1 LED driver is a low-side constant current driver with onboard diagnostic capability. It is comprised of a 16mΩ FET, a current sensing circuit, switching drivers and several voltage regulators. The LP8860RQVFPRQ1 is capable of driving up to 2A of current and can be used with up to 16 LEDs. The device includes a wide range of current levels and various dimming times, allowing users to fine-tune the output to the desired level. Additionally, the LP8860RQVFPRQ1 provides industry-leading low dropout voltage, as well as over-temperature and over-voltage protection to ensure safety and reliability. It also has a fault output pin for monitoring the system status.

LP8860RQVFPRQ1 Applications

The LP8860RQVFPRQ1 LED driver is suitable for a variety of applications such as general lighting, automotive interiors, and backlighting for LCD screens. It is designed to work with white, multicolor, and RGB LEDs and can be used with various LED configurations. Additionally, the device is optimized for use with a two-stage dimming circuit as it provides a low operating voltage and a low quiescent current that allows for efficient power management. Moreover, the LP8860RQVFPRQ1 LED driver has a feature that allows it to generate a fault signal when the LED brightness reaches a pre-defined level or if it is malfunctioning.

LP8860RQVFPRQ1 Working Principle

The LP8860RQVFPRQ1 LED driver uses a voltage-mode architecture to control the LED current. It uses an external resistor to set the current level for the LED array. The switching FET inside the device turns ON and OFF to provide the desired LED current. The device also uses a special sensing circuit that monitors the LED current and adjusts the LED current level if the voltage across the external resistor is not correct. The LP8860RQVFPRQ1 is designed to operate from an input voltage of 4.5V to 22V and can provide up to 2A of current for up to 16 LEDs.

In addition, the LP8860RQVFPRQ1 LED driver provides a PWM dimming interface to allow the user to control the LED brightness. The device is capable of controlling the brightness by either decreasing or increasing the operating frequency with a pulse width modulation (PWM) signal. The PWM dimming range is 10bit which provides fine control over the LED brightness. The device also features a fault output pin that can be used to indicate to the system if the LED brightness has reached a predetermined level or if the device has failed.

Conclusion

The LP8860RQVFPRQ1 LED driver is a powerful and robust device that makes LED lighting applications more efficient and reliable. It is designed with a wide range of current levels and various dimming times, allowing users to customize the LED output. Additionally, the device has a fault output pin that can indicate system failures and can be used with a two-stage dimming circuit for efficient power management. All these features make the LP8860RQVFPRQ1 LED driver an ideal choice for a wide range of LED lighting applications.

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