找到约 9200 条相关结果
... combining one design requirement about LED turning light,the different LED drive circuits’ characteristics were analyzed ...
... 系统电路设计的问题,以LED显示屏系统的基本结构、软硬件计 ... 等方面为切入点,系统的介绍了LED显示屏电路系统设计过程需遵循的 ... 应用中,该设计思路能够有效解决LED显示屏系统总体设计问题。
本文针对现有LED驱动电路园存在电解电容而缩短 ... 提出了一种无电解电容的LED驱动电路的设计方法。以延长 ... 电容滤波，有效的解决了现有LED驱动电路存在寿命短的问题。这款LED驱动电路无大容量电懈电容 ...
... 了一款高刷新率高稳定性LED恒流驱动电路。将一个完整 ... order to improve the quality of image of LED display,a high refresh rate and high stability ...
... order to improve the quality of image of LED display,a logic circuit which can improve the LED display visual refresh rate was designed. A display ...
在LED驱动电路发生的故障中,因为电解 ... 成本在受到保证的基础上,使LED驱动电路的电源寿命能够得以延长,而不再是影响LED照明系统使用寿命的影响因素,使LED驱动电路能够长时间的安全可靠 ...
随着温度上升,白光型发光二极管（LED）的顺向电压会产生数百毫伏特的反相变化。因此在LED照明应用中,如何设计合适的驱动电路,来控制流过LED的顺向电流,使LED产生所需的亮度,是一相当具有挑战性的课题。
... flow drive circuit based on the characteristics of LED. By using electric current and a voltage＇ s negative feedback technology, the author controls LED＇ s incoming current under a steady electric ...
... on MAX7219 was only applicable to small-size LED. To expand its use, based on the function ... . Static display with adjustable brightness for large-size LED with higher voltage and current was achieved with ...
... |总线控制的适合级联应用的LED驱动集成电路。颗HL1609芯片直接驱动 ... 输出端的PWM变化，从而控制LED的亮度，形成颜色变化结构特点 ... 所以芯片的输出占空比与LED的亮度成反比，当芯片没有输出时，三极管完全导通，LED全亮。3、图（三 ...
