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https://e2e.ti.com/support/motor-drivers-group/motor-drivers/f/motor-drivers-forum/1355919/drv8889-q1-how-long-does-it-take-for-the-current-to-stabilize
您好！
当 STEP 信号停止(电机停止)时、电流需要多长时间才能稳定？
谢谢、此致、
嗨、David：
确切时间将取决于您的电机型号、负载、速度和工作电压。 我建议在示波器上探测电机并自行观察。
该器件上的输出压摆率(t_SR)可在10V/us 至105V/us 之间进行选择、这将改变输出开启或关闭的速度。
此致！
雅各布
