步进电机

概述

文件

工具与软件

解决方案

步进电机广泛用于计算机、安保、工业自动化和汽车行业的保持和定位应用中。根据相位的数量、线圈排布和所需运动平稳性水平，意法半导体提供多种类型的双极步进电机驱动器来确保您的应用达到最佳性能。 Read more

单极步进电机中，定子绕组共享公共端子；每个绕组的自由端子分别连接独立功率开关，电流沿一个方向在电机绕组中流动。二极管用于钳位关断时开关两端的电压。ST的产品组合包括种类齐全的功率MOSFET、二极管和微控制器，支持构建单极式步进电机驱动的离散实现。

双极步进电机中，电流可沿两个方向流动；二相电机中的两个绕组需要采用全桥转换器分别驱动。在运动中，电子控制（全步进、半步进、微步进）类型和产生的相电流波形会影响振动水平、噪声、运动平稳性和谐振灵敏度。

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