DRV8301-HC-EVM Rev D电路板在测试无刷电机时,不小心将Q8开关管的d极和s极瞬间短接,发出火花,然后电路板的过流保护(FAULT)灯LED6不断闪烁,电机无法正常工作。替换Q8开关管和drv8301芯片后,过流保护(FAULT)灯LED6一直亮,drv8301芯片输出的电压都正常,没有脉冲输出,电机不转,请问是除了开关管Q8和drv8301芯片还有哪里出问题了呢?谢谢!
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DRV8301-HC-EVM Rev D电路板在测试无刷电机时,不小心将Q8开关管的d极和s极瞬间短接,发出火花,然后电路板的过流保护(FAULT)灯LED6不断闪烁,电机无法正常工作。替换Q8开关管和drv8301芯片后,过流保护(FAULT)灯LED6一直亮,drv8301芯片输出的电压都正常,没有脉冲输出,电机不转,请问是除了开关管Q8和drv8301芯片还有哪里出问题了呢?谢谢!