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Thread: [SOLVED] BLDC_BC_BEMF_EXAMPLE_TLE987X problem

  1. #1
    New Member New Member jacko is on a distinguished road
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    [SOLVED] BLDC_BC_BEMF_EXAMPLE_TLE987X problem

    Hi all,
    I use TLE9879-EvalKit, connect to my BLDC motor, and download the software BLDC_BC_BEMF_EXAMPLE_TLE987X, start it, the motor move a little, then stop. I check the register BDRV_CTRL1, all off the flags HSx_SUP_ERR_STS and LSx_SUP_ERR_STS are '1'.
    The board is new, TLE987x_DFP version is 1.3.2. The software BLDC_BC_BEMF_EXAMPLE_TLE987X has been tested? And sure that the software is OK?

  2. #2

    Infineon Employee
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    Lykaon is on a distinguished road
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    Hi jacko,
    a possible reason is that the current limitation of your power supply is too low. Could you please increase and try again?

    Best regards
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  3. #3
    New Member New Member jacko is on a distinguished road
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    Quote Originally Posted by Lykaon View Post
    Hi jacko,
    a possible reason is that the current limitation of your power supply is too low. Could you please increase and try again?

    Best regards
    Hi Lykaon,
    Thanks! You were right! I Increase the current limitation, it works. If I want to commutation immediately and no delay, what should I do?

  4. #4
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    pestadieu is on a distinguished road
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    Hi jacko,

    The commutation patterns are defined in 'Table.c' from line 73 to 80. These patterns are passed to the register in 'BEMF.h' on line 85.

    The MCMOUTS register that handles the patterns is defined in the user manual (Rev 1.4) on page 603.

    Best regards
    Last edited by pestadieu; Sep 28th, 2018 at 03:03 AM.
    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

  5. #5
    New Member New Member jacko is on a distinguished road
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    Quote Originally Posted by pestadieu View Post
    Hi jacko,

    The commutation patterns are defined in 'Table.c' from line 73 to 80. These patterns are passed to the register in 'BEMF.h' on line 85.

    The MCMOUTS register that handles the patterns is defined in the user manual (Rev 1.4) on page 603.

    Best regards
    Thanks! I get it.

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