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Graduate
January 12, 2025
Question

VNLD5160

  • January 12, 2025
  • 1 reply
  • 1303 views

Hi at all.
Can VNLD5160 work with a normal STM32 CPU with 3.3V logical levels?
I don't find this information in datasheet...
Thanks...

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    1 reply

    Technical Moderator
    January 12, 2025

    Well, the data sheet mentions two important points:

    • Vsupply = VIN = 4.5-5.5V

    • VINTH = 1...3.5V (table 8)

    This means that you either use a level translator or configure the GPIO of the STM32 as an open drain with external pull-up. As the VNLD5160 can only switch at a few kHz, the simpler and cheaper open drain variant may be sufficient.

    Does it answer your question?

    Regards
    /Peter