基于AT89S52直流稳压电源的电路设计  

Based on AT89S52 DC regulated power supply circuit design

作　　者：朱超[1] 宋莉莉[1] 孙万麟[1] 

机构地区：[1]昌吉学院物理系,新疆昌吉831100

出　　处：《电子设计工程》2016年第12期131-134,共4页Electronic Design Engineering

基　　金：昌吉学院研究生启动基金(2014SSQD002);昌吉学院科研重点资助项目(2013YJZD002)

摘　　要：随着电子科学技术的不断高速发展,基于提高直流电源在集成电路中的输出精度,此设计采用AT89S52单片机作为整个电源的核心控制系统,通过proteus软件对设计电路的仿真、优化和制作实物相结合的试验,得出该电源设计能够实现连续输出0~12 V之间的直流电压,且输出电压精度可控制在0.1 V以内,同时还具有3.3 V和5 V固定直流电压输出端口,整个电路可实现过电流保护、电压复位、输出电压实时显示等功能,这将会给其它电子设备提供更加稳定可靠的直流电压,具有很好的实用价值。With the rapid development of electronic science and technology, based on the DC power supply in the integrated circuit output accuracy, this design uses the AT89S52 single chip microcomputer as the core of the whole power supply control system, through the proteus software for the design of the circuit simulation, optimization and combined production of physical experiment, it is concluded that the power supply is designed to realize continuous output between 0~12 V DC voltage, and output voltage precision can be controlled within 0.1 V, at the same time also has a fixed 3.3 V and 5 V DC voltage output port, the reset circuit which can realize over current protection, voltage, output voltage real-time display and other functions,this will be provided to other electronic equipment DC voltage is more stable and reliable, has the very good practical value.

关 键 词：电子科学 AT89S52单片机 核心控制系统 过电流保护 

分 类 号：TN873.5[电子电信—信息与通信工程]