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Original question:

ISO1450DW - Galvanic Isolation RS485

ISO 1450, transformer reference

bruno lepvraud
Prodigy 70 points
Other Parts Discussed in Thread: ISO1450, SN6505B

Hello,

We use ISO 1450 for RS485 network.

In the documentation, typical application schem (fig 52), you indicate SN6505, TPS76350 components, and a transformer, do you have reference for this transformer for ISO1450 (not1410) with good isolation (for electrical station environment). 

Regards,

Bruno.

  • 0
    Prodigy 70 points

    Addtionnal information if needed, bus RS485 is for 1 Mbit/s

  • +1 in reply to bruno lepvraud
    TI__Mastermind 24615 points

    Hello Bruno,

    Thanks for reaching out. I understand that you are looking to use ISO1450 and are looking to use SN6505 and TPS76350 shown in figure 52 to supply isolated power.

    For transformer recommendations, please consult Table 9-3. (Recommended Isolation Transformers Optimized for the Device) of the SN6505B data sheet. We recommend several different transformers that work well with the SN6505B's common applications. 

    Figure 9-3. Typical Application Schematic also shows common applications and a detailed design procedure for designing isolated power. 

    Please let me know if you need anything else. 

    Best,
    Andrew