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TCAN1044A-Q1: Recommended power on sequence

Randy Lee
Prodigy 50 points
Part Number: TCAN1044A-Q1

Tool/software:

Hi TI experts,

I can't find the power up sequence on the datasheet.

Can you kindly provide the recommended power on sequence ?  

ex: power on sequence between these pins : VCC, VIO, STB, TXD/RXD 

Thank you.

Randy

  • +1
    TI__Guru 74282 points

    Randy,

    There is no specific power-on sequence for the TCAN1044A-Q1. The device will stay in protected mode until VCC and VIO are correctly supplied above their under voltage thresholds. Once the voltage rails are correctly supplied, the STB pin controls if the device is in Standby mode vs. Normal mode, and once the device is in Normal mode the TXD and RXD pins can be used. 

    All of this information can be found in the datasheet on pages 18 and 19. Please reference if more explanation is needed.

    Regards,

    Eric Hackett