The schematic diagram is as follows.Use only STEP/DIR standalone mode.Two-layer PCB,Now after power on, OB1/2,OA1/2 voltage is equal to the power supply voltage VS; When EN is enabled, the chip will burn. What is the reason
The schematic diagram is as follows.Use only STEP/DIR standalone mode.Two-layer PCB,Now after power on, OB1/2,OA1/2 voltage is equal to the power supply voltage VS; When EN is enabled, the chip will burn. What is the reason
diag 有几种可能性。 您可以参考一下规格书的图15.1 看一看是不是哪里触发了。
这个可能具体需要排查一下。 您可以按照下面图的逐条进行排查。
