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AMIS-3052x/NCV7052x stepper motor driver failure diagnostics and protection

Posted: 11 Dec 2009 ?? ?Print Version ?Bookmark and Share

Keywords:stepper motor? AMIS-3052x/NCV7052x? driver protection?

The AMIS-3052x/NCV7052x are micro-stepping motor drivers for bipolar stepper motors. These devices have a serial peripheral interface (SPI) and a dedicated error output pin, which can be connected to an external microcontroller. Advanced features for error diagnostics such as: open coil detection, short circuit protection and over temperature protection are embedded into the 52x. By using proper diagnostics routines, 100 percent of the single case open/shorts can be detected and handled.

This application note gives an overview of the failure modes that can occur in a stepper motor application and describes the coverage of the 52x for their detection. For specific error conditions, algorithms are described.

View the PDF document for more information.

Click here to view related datasheets.





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