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CSD95485RWJ: what condition need tri-state PWM input?

Part Number: CSD95485RWJ

Hi

in CSD95485RWJ, why it input PWM has tri-state? why need this function?

what condition trigger tri-state PWM input?

thanks.

  • Hi Max,

    When PWM input is in tri-state, the gates of both control and sync FETs are forced to low.

    It can be used during power up sequence before operations, or protection when need to turn off both control and sync FETs.

    It's an input signal to power stage, so has to be decided by the controller instead of power stage itself.

    Best,

    Qingquan