LDS8720

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PMIC - LED Drivers are components that provide the required electrical control to LED drivers. LED drivers are the power source required to power LED lights. LDS8720 is one such LED driver from the Mediatek Corp. It is a digital power controller IC which is used for various applications in the LED lighting market. This article will discuss the application field and working principle of the LDS8720.

Applications of LDS 8720

LDS8720 is a light dimming driver with low EMI and high efficiency. It can be used in many applications such as general lighting, automotive lighting, industrial lighting, as well as high-speed backlighting and string lighting. It is also suitable for applications requiring analog dimming, like strip lights, street lights, traffic lights, and other applications.

LDS8720 includes various features such as voltage mode and non-linear dimming, which is suitable for customers who require a special dimming characteristic such as non-linear dimming or symmetric dimming for a more uniform light output. The integrated low-side diode is also a helpful feature which reduces EMI and power consumption. The LDS8720 also includes ultraviolet protection to prevent LED lights from becoming damaged from excessive exposure to UV rays.

Working Principle of LDS8720

LDS8720 uses Pulse-Width Modulation (PWM) to control the brightness of an LED light. This is achieved through modulation of the duty cycle of the output signal. A duty cycle is a measure of the percentage of time an output signal will be in an active state, versus inactive state. The higher the duty cycle, the brighter the LED light will be. By varying the duty cycle of the output signal, the LED light\'s brightness can be adjusted accordingly.

The on-chip programmable LED current sense and LED PWM control inputs make LED dimming control easier. The integrated voltage regulator simplifies configuration and reduces component count. In addition, the Digi-Dynamic™ technology of the LDS8720 allows for direct connection of an external dimming signal. This allows for precise control of the brightness and color characteristics of the LED light.

Furthermore, the LDS8720\'s Comprehensive Active Light Management feature enables smooth dimming and color transition and allows for individual dimming of each string. This enhances the overall visual experience for the user. Moreover, LDS8720 also provides advanced protection features including thermal over-temperature protection and total power limit protection, making it the perfect choice for LED dimming needs.

Conclusion

The LDS8720 is a digital power controller IC from the Mediatek Corp that is used in various applications in the LED lighting market. It is capable of providing simple and consistent dimming control of LED lighting systems, as well as advanced protection features. The LDS8720 is an ideal choice for customers who need a reliable, efficient and powerful LED driver.

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