[1]杨静,凌朝东,梁爱梅.低压太阳能草坪灯驱动控制器的设计与仿真[J].华侨大学学报(自然科学版),2011,32(5):515-519.[doi:10.11830/ISSN.1000-5013.2011.05.0515]
　YANG Jing,LING Chao-dong,LIANG Ai-mei.Design and Simulation of a Low-Voltage Driver for Solar LED Lawn Lights[J].Journal of Huaqiao University(Natural Science),2011,32(5):515-519.[doi:10.11830/ISSN.1000-5013.2011.05.0515]
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低压太阳能草坪灯驱动控制器的设计与仿真()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第32卷
期数:
2011年第5期
页码:
515-519
栏目:
出版日期:
2011-09-20

文章信息/Info

Title:
Design and Simulation of a Low-Voltage Driver for Solar LED Lawn Lights
文章编号:
1000-5013(2011)05-0515-05
作者:
杨静; 凌朝东; 梁爱梅
华侨大学信息科学与工程学院; 厦门市专用集成电路系统重点实验室
Author(s):
YANG Jing1; 2;  LING Chao-dong1; 2;  LIANG Ai-mei1; 2
1.College of Information Science and Engineering, Huaqiao University, Quanzhou 362021, China; 2.Key Laboratory of ASIC and System, Xiamen 361008, China
关键词:
控制器;  LED草坪灯;  太阳能;  光敏开关;  过放电保护
Keywords:
controller;  LED lawn lights;  solar;  light activated switch;  over discharge protect
分类号:
TM571.2
DOI:
10.11830/ISSN.1000-5013.2011.05.0515
文献标志码:
A
摘要:
设计一种能在0.8 V下工作的低压太阳能发光二极管草坪灯驱动控制器.控制充电回路通断的开关管集成在芯片内部,系统只需外接一个电感和光敏电阻.该驱动电路具有光开关自动控制放电、蓄电池过放迟滞保护等功能,且发光二极管灯无闪烁.仿真结果表明,芯片的工作电压为0.8~1.5 V,输出平均电流在3~300 mA内可调,发光二极管灯效率大于85%,能够满足各种不同发光二极管对电流的需求.
Abstract:
A driver controller for low-voltage solar light-emitting diode(LED) lawn lights which is able to operate at 0.8 volts is designed.The PMOS transistor controlling the on and off of charge circuit is integrated in the chip,so the system only needs one inductor and light sensor resistor outside.The driving circuit has functions of the light activated switch controlling electric discharge automatically,the battery′s over-discharge hysteresis protection,and LED lights′ flicker-free.The simulation results show that the working voltage of chip is 0.8~1.5 V,the output current can be adjusted from 3 mA to 300 mA and the efficiency of LED lights is more than 85%,which can meet current demand of all kinds of LED.

参考文献/References:

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备注/Memo

备注/Memo:
福建省厦门市科技计划项目(3502Z20093032)
更新日期/Last Update: 2014-03-23