基于ICL8038的交流恒流源设计  

Design of AC Constant Current Source Based on ICL8038

作　　者：杨爽[1] 费腾[1] 栾德福 

机构地区：[1]东北电力大学,吉林吉林132012

出　　处：《陕西电力》2016年第1期83-86,共4页Shanxi Electric Power

摘　　要：设计了以ICL8038，LM358运放芯片为主控芯片，频率为0．001～300Hz的交流信号用于蓄电池内阻的检测、介绍了蓄电池内阻的结构和测量工作原理，重点分析了由集成运放及功率器件获得大恒流输出的交流恒流源电路、测试结果表明该交流恒流源具有较好的精度和稳定度。The paper designs ac signal with the frequency of 0.001 to 300 Hz for measuring battery resistance by taking ICL8038 and LM358 as the main control chip, introduces the structure and working principle of the battery resistance, and focuses on the analysis of the current source circuit with high constant alternating current output obtained by the integrated operational amplifier and power devices. The test results show that the AC constant current source is of high accuracy and stability.

关 键 词：ICL8038 LM358 交流恒流源 蓄电池内阻 

分 类 号：TM934.1[电气工程—电力电子与电力传动]