| 基于MAX1647的LED参数测试仪驱动电路设计 |
| |
| 引用本文： | 龙兴明, 周静,. 基于MAX1647的LED参数测试仪驱动电路设计[J]. 电子器件, 2007, 30(5): 1754-1757 |
| |
| 作者姓名： | 龙兴明 周静 |
| |
| 作者单位： | 重庆师范大学物理系,重庆,400047;重庆大学电气工程学院,重庆,400044;重庆大学电气工程学院,重庆,400044 |
| |
| 摘 要： | 针对半导体发光二极管(LED)参数检测仪器还比较欠缺的现状,提出可以实现LED光、色、电性能的全性能、高精度测试驱动电路.通过利用MAX1647电源管理芯片的数控恒流/恒压特性,设计了驱动能力为4.096A,步长为1mA的LED供电电路,结合C8051F020的内部特性,实现了光电转换信号的采集,光谱分析步进电机同步驱动,并且提供了友好的LCM接口界面和上位PC机的串口通讯.在实际的LED参数测试中,证明了该驱动电路设计不仅高效、安全、可靠,而且大大的提高了整个系统的智能化程度.
|
| 关 键 词： | 半导体测试技术 LED参数检测 MAX1647 数控恒流 |
| 文章编号： | 1005-9490(2007)05-1754-04 |
| 修稿时间： | 2006-09-29 |
Design of LED Measurement Instrument Based on Max1647 |
| |
| LONG Xing-ming,ZHOU Jing. Design of LED Measurement Instrument Based on Max1647[J]. Journal of Electron Devices, 2007, 30(5): 1754-1757 |
| |
| Authors: | LONG Xing-ming ZHOU Jing |
| |
| Affiliation: | Physics Dept.of Chongqing Normal University; Chongqing 400047; China; 2.EE Department of Chongqing University; Chongqing 400044; |
| |
| Abstract: | A parameters measurement system of Light Emitting Diode(LED) electronic,color and spatial is given to overcome the disadvantages of the existed LED measurement tools:low intelligence,mono-function and inefficiency.Using the power manger Max1647,the high accurate digital controlled constant current/voltage LED driver with ability of 4.096 A,is realized in step of 1 mA.Combining full functional single-chip microcomputer C8051F020 with constructed optical-electronic processing method and Human-PC interface method,a real-time LED measuring system was realized.The practical application shows that the developed LED measurement system is convenient and efficient in measuring the LED parameters. |
| |
| Keywords: | semiconductor measurement technology LED measurement MAX1647 digital controlled driver |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《电子器件》浏览原始摘要信息 |
|
点击此处可从《电子器件》下载全文 |
|
