Incremental Encoder from HDD Motor
●The application note shows how to create incremental encoder from HDD motor using GreenPAK™ IC.
●This application note comes complete with design files which can be found in the References section.
■Introduction
●Encoders are widely used to translate rotary or linear motion into a digital signal. They are useful for monitoring or controlling motion parameters such as speed, rate, direction, distance or position. These parameters are necessary for countless applications that translate motion parameters into information like motor feedback, linear measurement, and X-Y positioning. Encoders can be found everywhere from complex computer numerical control (CNC) machines to computer mice. There are several types of rotary encoders. Absolute and relative (incremental) encoders are the two main types. An absolute encoder outputs a value proportional to the current state, whereas an incremental encoder outputs a change in state and its direction.
●To create a reliable, almost unbreakable incremental encoder, an HDD motor designed to operate over thousands of turns can be a good solution. All you need is to connect it to a GreenPAK IC.
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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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26-Feb-2018 |
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Revision 1.0 |
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AN-CM-221 |
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721 KB |
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