电子与封装2024，Vol.24Issue(12)：60-63,4.DOI:10.16257/j.cnki.1681-1070.2024.0169
一种隔离型母线电压和电流采集电路的设计
Design of an Isolated Bus Voltage and Current Acquisition Circuit
冯旭彪 1杨茜1
作者信息
- 1. 天水七四九电子有限公司,甘肃天水 741000
- 折叠
摘要
Abstract
Aiming at the isolated sampling of switching power supply bus voltage and current by supply and distribution test equipment,a design scheme of isolated bus voltage and current acquisition circuit is proposed.Based on the hardware circuit,the working principle of the isolation amplifier NSI1311-Q1 is analyzed,and the amplification of data and single-end analog output are realized by adding differential operational amplifier circuits,providing a reasonable isolation-type acquisition circuit and a derivation of relevant formulas.Experimental results show that the sampling accuracy of the isolated acquisition circuit meets the demand of power supply and distribution test equipment for isolated data acquisition,and it has strong anti-interference with strong engineering practical value.关键词
隔离设计/NSI1311-Q1/差分运放/数据采集/抗干扰Key words
isolation design/NSI1311-Q1/differential operational amplifier/data acquisition/anti-interference分类
信息技术与安全科学引用本文复制引用
冯旭彪,杨茜..一种隔离型母线电压和电流采集电路的设计[J].电子与封装,2024,24(12):60-63,4.
