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DRV8711 VOUTH voltage level

Ritesh Patel
Intellectual 560 points
Other Parts Discussed in Thread: DRV8711, CSD18533Q5A

Hi..

I am using DRV8711 driver for controlling DC and stepper motor in my application, with Power MOSFET CSD18533Q5A. 

In DRV8711 datasheet typical value for VoutH is given as 10+VM, VM is 24V for my application, Now MOSFET CSD18533Q5A has absolute maximum VGS voltage rating is +/-20V.

So, CAn anyone tell me that this combination of DRV8711 and MOSFET CSD18533Q5A  will work or not?

Thanks,

Rits.

 

  • 0
    TI__Guru** 114905 points
    Hi Ritesh,

    This combination will work. As the gate voltage increases the source voltage follows until the source reached VM. At that point, the gate voltage will continue to increase until it is approximately 10V greater than VM.