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THVD9491-SP: Information about ordering non-space test units

CJ Long
Prodigy 20 points

Part Number: THVD9491-SP

Hello,

For the above part number, I noted that the dev kits are much cheaper than the prices for the fully qualified parts. Is there a way to order non-qualified versions for development, so we can mount those on our PCB, without having to use the space grade parts for everything? I noted that SN65HVD1476DR, while not completely, identical, appears to be pin compatible enough to work in a pinch. However, we would prefer to prototype with the correct part. What is the correct path forward? Can we order the space parts without some of the certifications? 

 

  • 0
    TI__Mastermind 29762 points

    Hi CJ,

    If you just want another device for testing/prototyping, I would use the THVD2452V-EP. This has the same pinout and RS-485 functionality without the space rating. So you can just solder/desolder this device on the same board you intend to use with the space version. 

    But for any specific validation/characterization, the THVD9491-SP should be used of course. Note that for edge case testing, like max data rate/max cable length/max node count, the THVD9491-SP should be used. 

    Best,

    Ethan