DRV8718-Q1: difference between VGSH and VSH

Jay wang

Expert 3221 points

Part Number: DRV8718-Q1

Tool/software:

Hi expert

i saw the following picture in our datasheet. could you further explain what is difference between VGSH and VSH

thanks

6 months ago

0 Keerthivasan Kumanan 6 months ago

TI__Mastermind 18875 points

Hi Jay,

VGSH is referring to the voltage on the GATE of FET minus the voltage on the SOURCE of FET. VSH is just referring to the SOURCE of FET. I recommend reading through this app note to understand the turn-on behavior of FET:

Understanding Smart Gate Drive (Rev. D)

Best,

Keerthi

0 Jay wang 6 months ago in reply to Keerthivasan Kumanan

TI__Expert 3221 points

thanks your comments

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DRV8718-Q1: difference between VGSH and VSH