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Will the Sin/Cos Encoders be a rotary transformer in the TIDA-00176 design?

z.z
Prodigy 200 points
Other Parts Discussed in Thread: TIDA-00176, PGA411-Q1

hi，

As the title says,anyone knows？thank you。

  • 0
    TI__Expert 3300 points

    Hello z.z,

    thank you for your question. The TIDA-00176 TI design is a solution for SIn/Cos encoders. The basics of Sin/Cos encoders are explained in the TIDA-00176 design guide chapter 1.

    With rotary transformer - I assume - you refer to a resolver. A resolver is a mechanical angle encoder based on a rotary transformer. It requires a sinusoidal excitation frequency and feeds back a sin- and cos-amplitude modulated signal.

    TI has a dedicated single-chip resolver-to-digital solution with the PGA411-Q1. We also have a detailed TI design (TIDA-00363) featuring the PGA411-Q1 which shows provides an overview on how resolver works, hardware design guidelines and test results.  

    To view and download this design and related TI products, please visit: www.ti.com/too/tida-00363.

    Regards,

    Martin Staebler