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Part Number: TIDA-00175
Thanks for your support so far. Below is one query. We are using below part in one of our production item.
HCTL-2017-A00 ( Quadrature decoder) from Avago / BroadCOM
Now it is obsolete. We are looking for alternative.
Does TI has any ready chip for quadrature decoder. Alternately does there any TI processor low end with in built quadrature encoder interface?
Pl. revert ASAP.
Thank you for checking with TI. We won't have a drop-in replacement,.but our C2000 Microcontrollers offers an integrated quadrature decoder module (eQEP) for use with e.g. incremental encoders.
The eQEP interfaces directly with linear or rotary incremental encoders to obtain position, direction, and speed information from rotating machines used in highperformance motion and position control systems.You can find the specification of the integrated eQEP module for example in the TMS320F280025C data sheet http://www.ti.com/lit/ds/symlink/tms320f280025c.pdf page 107 and in the technical reference manual: http://www.ti.com/lit/ug/spruin7/spruin7.pdf, page 1824.You can find example software for e.g. the eQEP module in the C2000Ware: http://www.ti.com/tool/C2000WARE.
An option w/ MCU might be a discrete hardware circuit approach. We have an example with an I2C interface with the Automotive-Qualified 16-Bit Rotary Quadrature Decoder Reference Design. You can find it here: https://www.ti.com/tool/TIDA-00580. If I2C is not too slow for you you may have a look at this hardware design too.
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