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AMIS-30521

AMI SEMICONDUCTOR
Part Number AMIS-30521
Manufacturer AMI SEMICONDUCTOR
Description Micro-stepping Motor Driver
Published Nov 4, 2009
Detailed Description AMIS-30521 Micro-stepping Motor Driver Data Sheet 1.0 Introduction The AMIS-30521 is a micro-stepping stepper motor dr...
Datasheet PDF File AMIS-30521 PDF File

AMIS-30521
AMIS-30521

Overview
AMIS-30521 Micro-stepping Motor Driver Data Sheet 1.
0 Introduction The AMIS-30521 is a micro-stepping stepper motor driver for bipolar stepper motors.
The chip is connected through I/O pins and an SPI interface with an external microcontroller.
The AMIS-30521 contains a current-translation table and takes the next micro-step depending on the clock signal on the “NXT” input pin and the status of the “DIR” (=direction) register or input pin.
The chip provides a so-called “speed and load angle” output.
This allows the creation of stall detection algorithms and control loops based on load-angle to adjust torque and speed.
It is using a proprietary PWM algorithm for reliable current control.
Th...


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