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DRV8350H-EVM: Using the DRV8350HRTVT for individually controlling 3 x half bridges

Phillip Abplanalp
Prodigy 20 points
Part Number: DRV8350H-EVM

Hello,

I'm interested to know if there are any issues with using the DRV8350HRTVT as a half-bridge or even a full h-bridge driver. I'm guessing if the driver is being used as 3 x individual half-bridge drivers the maximum switching frequency will be reduced due to the high-side charge pump having to increase its output

  • 0
    TI__Genius 12231 points

    Hi Phillip,

    If not using the DRV8350HR for typical three-phase BLDC commutation, it can be used as a half or full-bridge driver due to the independency of each half-bridge phases.

    If using the device in this manner, any unused inputs/phases should be dealt with by following these two E2E posts here and here (part #5).

    Please let me know if I can assist with or clarify anything further.

    Best Regards,

    -Joshua