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PGA300EVM-034: PGA300EVM GUI User Manual

Dag Daler
Prodigy 60 points
Part Number: PGA300EVM-034
Other Parts Discussed in Thread: PGA300

Hi, I am currently working on a design based upon the PGA300 using the PGA300EVM development board.

I have downloaded the PGA300EVM GUI User Manual.

1. This manual is stamped "Preliminary". Please advice if a finalized issue is available, or alternatively which precautions should be take using the preliminary version.

2. For OWI configuration the following controls are requested: Rloop and "Additional voltage". The definition of these controls are unclear for me. Please explain/define these controls.

Thank you.

  • +1
    TI__Mastermind 31655 points

    Hi Dag,

    There is no more up to date version of the GUI user guide.  The information in it is accurate.

    Rloop compensates for resistance in the current loop by adding a variable voltage to the OWI signals based on the current in the loop. This keeps the OWI signals within the proper range for communication.  Additional voltage adds a fixed voltage to the OWI signals to offset a fixed voltage drop due to something like a diode on the voltage line.

    Regards,

    Scott