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DRV8889-Q1: Undertemperature warning

Jass Jin
Intellectual 2465 points
Part Number: DRV8889-Q1

Tool/software:

Hi expert,

Why we design the undertemperature warning? Is undertemperature has some bad influence to 8889?

Thanks!

  • +1
    TI__Mastermind 44525 points

    Hi Jass,

    The DRV8889-Q1 is specified to operate with ambient temperature range -40°C to +125°C. However stepper motors and the mechanical assembly may not function as well at lower temperatures. Hence the UTW is provided. Note, this is a warning signal but does not stop the driver from operating. Thank you.

    Regards, Murugavel