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DRV8830 / how to use fault low signal

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Hi all.

I would like to know about fault function.

my customer uses this device in the following, 

・The motor load(current) enlarge when motor spins constant amount.
・Then the fault pin becomes Low, because the load current enlarge.
・my customer would like to detect the rotational position of motor by the fault pin low signal.

So my customer uses a lot of fault signal .
Is this how to use this device OK?

Best Regards,
Sho


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