CX8080

CX8080桥臂直通。电机驱动器桥臂直通可能由两种情况导致：

不正确的开关逻辑导致同一桥臂的两个开关管同时开通，这种不正确的开关逻辑可能是由控制器故障或者电磁干扰引起的。

其中一个开关管损坏短路，而另一个开关管保持正常开关。

相对地短路。驱动器系统过温或者过压导致电机绕组绝缘击穿，对地短路。这种过流现象可能会损坏电机线缆。

相间短路。驱动器系统过温或者过压导致电机绕组绝缘击穿，导致相对相短路。这种过流现象可能会损坏电机线缆。

相对而言，电机本体可以在较长的时间内承受的过流；但开关管作为电机驱动系统中重要的组成部分，对短路电流的耐受时间只有微秒级，所以有效的过流检测和保护对电机系统的可靠具有重要意义。

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