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TPS543620: What are Net-Tie and RBODE in the datasheet figure 8-1?

Noriyuki Takahashi
Genius 9245 points
Part Number: TPS543620

Hi team,

Could you tell the roles of Net-Tie(Between AGND and PGND, between VOUT and VO_SNS) and RBODE(10Ohm resistor) in the datasheet figure 8-1?

Regards,

Noriyuki Takahashi

  • 0
    TI__Mastermind 35115 points

    Hi Takahashi-san,

    The Net-Ties are used to control where the connection between the nets are done in the PCB Layout. Example image below from the EVM showing how this is done for the connection to Vout. The Net-Tie is just a copper connection connecting VO_SNS and VOUT in this example. On the EVM, the Net-Tie is placed at the desired Vout sense point. Similar is done for the connection between AGND and PGND.

    RBODE is used to measure the Bode plot. The signal is injected into the loop across this resistor.