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DRV8701: Similar device to the DRV8701 that will handle VDS of 51V?

Mohamed Nagibulla
Prodigy 80 points
Part Number: DRV8701
Other Parts Discussed in Thread: DRV8704, DRV8711

I am looking for a gate driver that has the ability to control the gate current like the DRV8701. However, my application has an input of 12S lipo battery that can get up to 51V. None of the variant of DRV870X support that kind of voltage. 

Any suggestions to similar IC that will allow me to do this that will work with my application?

  • 0
    TI__Guru** 114905 points
    Hi Mohamed,

    Please consider the DRV8704. The device can operate to 52V, with an absolute maximum of 60V.

    If you use this device, you may need to add clamping circuitry on the VM supply to keep VM below the absolute maximum voltage.
    Another possible option is to configure the DRV8701 or DRV8704 to operate at a lower voltage and add a high voltage gate driver. An example is www.ti.com/.../TIDA-01227

    Some of the protection circuitry (VDS for example) has been disabled to allow the DRV8711 to operate.