AMIS-30623/AMIS-30624/ NCV70627 Stall Detection
■The AMIS-3062x and NCV70627 are single-chip microstepping motordrivers with position controller and control/diagnostic interface. They are ready to build dedicated mechatronics solutions comiected remotely with a LIN or I²C master. The chip receives positioning instructions through the bus and subsequently drives the motor coils to the desired position. The on-chip position controller is configurable (OTP or RAM) for different motor types, positioning ranges and parameters for speed, acceleration and deceleration. The motor drivers act as a slave on the LEST or I2C bus and the master can fetch specific status information like actual position, error flags, etc. from each individual slave node.
■An integrated sensoriess stall detection prevents the positioner from loosing steps and stops the motor when running into stall. This enables silent, yet accurate position calibrations during a referencing run and allows seini-closed loop operation when approaching the mechanical end-stops.
■This application note describes the stall detection operation and how to use it to enable the development of high reliable sensorless steppermotor applications.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021/8/6 |
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Rev. 2 |
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AND8471/D |
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2.5 MB |
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