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https://e2e.ti.com/support/motor-drivers-group/motor-drivers/f/motor-drivers-forum/1395651/drv8889-q1-drv8889-q1-function-question
工具与软件：
尊敬的专家：
当电机处于失速状态时、DRV8889-Q1是否能够检测到丢失的步进数、客户希望使用此功能进行闭环控制
尊敬的 Colt：
DRV8889-Q1只能检测步进电机失速情况。 它不报告有多少步丢失。
此致、Murugavel
