找到约 9200 条相关结果
... 、过压保护功能的LED驱动电路。Common LED driver chips take some measures to ... analog mixed-signal technology, this paper design an LED driver circuit, which has the advantages of over ...
... 了一种使用单片机进行控制的LED调光台灯电路的设计，设计 ... GS6200驱动芯片工作于降压模式驱动LED灯珠；单片机内置的AD ... 信号的占空比，实现对LED的平滑调光，该电路结构 ... 电源模块，可驱动高达10W的LED灯。
... 了一种基于Boost原理的大功率LED驱动电路,采用有源功率因数校正（ ... ,得到了理想的效果,验证了该LED驱动电路的可行性。A high-power LED driver circuit is investigated based on Boost principle ...
... circuit for brightness adjustable and high power white LED was designed with chip SD42524. The circuit can ... up to 10W, and adjust the brightness of LED at will. The PWM signal which could adjust ...
... SCM STC89C52 to realize the high brightness white LED control system. The control system is divided into ... to send PWM pulse control high brightness white LED switch, to adjust light automatic and to give ...
... ,同时由于电解电容的存在,缩短了LED驱动电路的寿命。研究了一 ... , and electrolytic capacitors shorten the life of the LED driver circuit. This paper studied on a Buck ...
... -F301 circuit according to the work criterion of LED. An analysis of the principle of the whole ... ,the lifetime and power utilization of wind-solar LED street lamp drive circuit are improved by optimizing ...
... , and combines with PCB date outline and similar LED digital’s characteristic. Meanwhile through explorering and study ...
LED灯不仅是目前最高效的照明灯具,而且其寿命长,必将成为各种场合首选照明方式。LED调光在满足不同光照亮度需要同时,可有效节省能源。论述了适用于LED的不同调光方式及存在的问题。通过讨论可以看出,基于PWM的LED调光技术优势更为明显。
... 过电流可以进行有效的保护。LED driver power can＇t work very well ... can provide a stability and reliable protection for LED in tough conditions. In order to achieve good ...
