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DRV8353F: IC behavior while being powered OFF/Safe Torque Off State.

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Part Number: DRV8353F

Tool/software:

In the case where the DRV835X chip is :
  • Used with a dual supply architecture (VM 12V vs Vdrain between 16v-55V)
  • Voltage of Power Mosfets VIN (16V-55V) different from VDRAIN.
When the IC transitions from a normal state of operation to a non energized state ( Scenario of a Safe Torque Off --> Vdrain = 0V and/or VM = 0V) 
  • Would it be harmful on the DRV835X pins GLx if a low power ( inferior to 50 mA) 12V PWM is applied on each of the GLX pins ?
    • If it is, what are the impacts, limitations or alternatives ?
    • If not, is there an expected behavior (Leakage, reverse current flow, etc) of the chip ?

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