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DRV8334: GateDrive enable sequence

匡 杉本
Prodigy 20 points
Part Number: DRV8334

Tool/software:

I would like to ask about GateDrive enable sequence with DRV8334.

It seem there are 3 ways to enable gate drive.

1 physical 9pin : DRV OFF pin , High is disable

2  IC_CTRL2 Register ENABLE_DRV bits with SPI

3 MON_CTRL6 Register ALL_CH bits with SPI

To enable gate drive ,   What is the step?

or below steps are right?

1 DRV OFF pin is  forced to LOW level.

2 MON_CTRL6 Register ALL_CH bits are cleard to 0b

3 IC_CTRL2 Register ENABLE_DRV bits are set to 1b

  • 0
    TI__Genius 15195 points

    Hello,

    匡 杉本 said:

    1 DRV OFF pin is  forced to LOW level.

    2 MON_CTRL6 Register ALL_CH bits are cleard to 0b

    3 IC_CTRL2 Register ENABLE_DRV bits are set to 1b

    I believe these steps are correct. You can use either one of these steps to enable the device, there is no need to use all three. Keep in mind that "2 MON_CTRL6 Register ALL_CH bits are cleard to 0b" is typically used as a response to faults.

    Regards,

    Yara