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高效多路LED调光技术及电路实现
资料介绍
对LED灯的发光原理进行了研究,比较了各种常见的LED灯调光技术,提出了运用现场可编程门阵列（FPGA）设计多路PWM信号进行LED调光的方法 。结合直流电压转换（DC-DC）技术,运用CMOS管进行驱动,通过按键输入控制占空比。设计了硬件电路,运用VHDL语言编写程序,进行实际电路的制作。构建测试平台进行了试验,试验结果表明,运用FPGA技术产生多路PWM信号,结合CMOS驱动技术、DC-DC技术,可以极大地提高电能利用率。
The luminescence principle of LED lamp is studied, and various common dimming technologies of LED lamp are compared, the dimming method using multi - channel PWM signals designed by FPGA is proposed. Combining with the DC - DC conversion technology and CMOS driving technology,the duty ratio is controlled by key input. The hardware circuitry is designed; the program is written by using VHDL language ; the actual circuit is made. Experimental platform is setup for testing. The test results show that using FPGA technology for producing multi - channel PWM signals, and combing with CMOS driving technology and DC - DC conversion technology can greatly increase the utilization efficiency of electrical energy.
部分文件列表
| 文件名 | 大小 |
| 高效多路LED调光技术及电路实现.pdf | 2M |
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