LT3599的LCD LED背光驱动控制电路的设计

摘要

A design scheme of LED backlight driver and controller is introduced.This scheme describes the integral control of circuit,the realization for various features,the computing method of every performance parameter and the detailed design of circuit in detail.It gives the relative block diagram of control and sequence chart,and cooperates with software programming of flexible FPGA and proper LED lighting sets layout,realizes good drive control of LED backlight.%介绍了一种液晶显示器的LED背光驱动控制设计方案,对电路的整体控制、各项功能的实现、各性能参数的详细计算方法以及电路的具体设计等一一进行了阐述,并给出了相关的控制框图和时序图,配合灵活的FPGA的软件编程以及恰当的LED灯组布局,可以实现良好的LED背光驱动控制。