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DRV8706-Q1: DRV8706 register setting

Scarlett Cao
Expert 4660 points

Part Number: DRV8706-Q1

Hi team ,

My customer is using DRV8706-Q1 for wiper application. They are using PH/EN mode and control by SPI. They configure IC_CTRL to 10110110,  BRG_CTRL to 00101100 (forward) or 00101000(reverse) but the gate output voltage is always both VM. There's no SPI fault.  Could you suggest what could be the possible reason?

Thanks 

Scarlett

  • 0
    TI__Guru 60045 points

    Hi Scarlett,

    I don't see any issues in the register configuration made. Can the customer read back the register contents to verify if they were correctly written? I understand SPI fault was not reported. Can we get all the register values after reading back? Thanks.

    Regards, Murugavel