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TAS5751M: Fault Indication no stable issue

Kevin Huang8
Genius 4100 points
Part Number: TAS5751M

Hi Team,

TAS5751 ADR/FAULT pin not stable, have Low-level output voltage,

what possible problems will there be?
Please refer to attachment AMIS-M-SCH_DAMP-DB1-V10_1130, board fil: AMIS-M-DAMP-V1-2022-1130-FINAL and SYSTEM BLK: BLK_DAMP-TAS5751_23Y0323.

AMIS-M-DAMP-V1-2022-1130-FINAL.brd

AMIS-M-SCH_DAMP-DB1-V10_1130.pdf

BLK_DAMP-TAS5751_23Y0323.pdf

  • 0
    TI__Mastermind 44080 points

    Hi Kevin

        The schematic seems fine. We'll need to check the working condition on the board. Please check all the power supply first. Then the MCLK/SCLK/LRCLK clock, what the frequency of them, and are they stable? Can I2C been write and read without problem? Check if there's any shortage at the output side.