基于L6258EX的步进式电子膨胀阀控制模块设计

Design of stepper electronic expansion valve controller module based on L6258EX

提出了一种以纯电动轿车空调系统为开发背景,基于L6258EX的步进式电子膨胀阀控制模块设计方案,介绍了该方案的功能、硬件及软件设计方法。实验证明该模块具备结构简单、使用方便、精度高、性价比高等特点。

A design of the stepper-electronic-expansion-valve-controller module based on L6258EX is put forward,and the realization from function,hardware and software is introduced.The results of experiment show that the module is simple and advanced performance price ratio.