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Original question:

EMB1428Q: How to resolve Fault 0b1000?

EMB1428Q: EMB1428 SPI fine, but not close

Troy.Tsai
Intellectual 365 points
Part Number: EMB1428Q


Hi,

I sent 0xF0 to EMB1428 and it return 0xAF. But only PSW3 is close. CSW7 to 0 are all open.

I've set 1499 FAULT PIN to 0.

And I saw someone got similar problem before. But TI FAE said 0xAF(Fault code 1010 is 1499 fault)

Please let me know which is correct.

BR,

Troy

  • 0
    TI__Genius 17370 points

    Hi Troy,

    Are you still running into this issue? If so can you please reclarify? I am confused by the most recent comments.

    Thanks,

    Taylor

  • 0 in reply to Taylor Vogt
    Intellectual 365 points

    HI Taylor,

    Yes, still in stuck now.

    The fault code is always no fault. This is the most weird thing. No fault but MOSFET is not CLOSE?

    Let me clarify my process:

    Set CS LOW.

    Send command 0xF0.

    Get return command 0xAF(No fault)

    Set CS HIGH.

    Waiting EN to be LOW.

    Set DONE HIGH

    Read DIR.

    Set DIR_RT.

    Waiting EN to be HIGH.

    Set DONE LOW.

    Back to head, send SPI command again.

    Below situation only PSW 3 close. All other CSW and PSW are open.

    BR,

    Troy

  • 0 in reply to Troy.Tsai
    TI__Genius 17370 points

    Troy,

    Ok we understand, I see that this is the same issue as on the other thread. I will close this thread so we dont have two running at the same time and miss any information, please see our response to your latest question on the other thread.

    Regards,

    Taylor