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  • ISO1500: Can ISO1500 support 1000m, 60 node with 9600

    TI Thinks Resolved
    Part Number: ISO1500 Hi Teams, Do we have devices can support application with 60 nodes among 1000 m cable to trancive the data with speed of 9600. If so, can you share me some related appnotes. If not, do you have some other recommendations? Tks and…

  • ISO1500: ZD for bus protection

    TI Thinks Resolved
    Part Number: ISO1500 Hi team, In 9.2 typical application, bi-directional ZD is placed for bus protection. Could you recommend what ZD you can recommend ? Thank you and best regards, Michiaki
    • Answered

  • ISO1500: Consumption when short-circuit

    Resolved
    Part Number: ISO1500 Dear all, To design the power supply of the VCC2, I'm looking for the worst case consumption of the ISO1500. I think this will append when the output is short-circuited. In the datasheet, it is mentionned that I OS = +/-175mA. Following…
    • Resolved

  • ISO1450: [ISO1450, ISO1500] Inquiry about communication verification method

    TI Thinks Resolved
    Part Number: ISO1450 Other Parts Discussed in Thread: ISO1500 , Hi, TI Support Team A customer is developing using ISO1450, ISO1500 products. The block below is an example block of ISO1450, and the two parts are applied to different boards, so a separate…
    • Answered

  • ISO1500: One Master device communicates with Multiple field Salves through RS485 , how to prevent ground loop problem

    Resolved
    Part Number: ISO1500 Other Parts Discussed in Thread: THVD2450 , Dear TI FAE, I am designing a system including a Master and Multiple-drop slaves communicating with RS485, I only use a isolated RS-485 transceiver(both power and data isolated) at Master…
    • Resolved
    • Answered

  • ISO1500: Failsafe receiver

    Resolved
    Part Number: ISO1500 How does the ISO1500 receiver implement the failsafe protection? Is it done by an integrated pull-up from A to VCC2 and a pull-down from B to GND2? Or is it solved by shifting the receiver thresholds? The question behind is: If it…
    • Resolved

  • ISO1500: used as Replacement for iso3082

    TI Thinks Resolved
    Part Number: ISO1500 Other Parts Discussed in Thread: ISO3082 In an existing product the formerly used ISO3082 was replaced by the ISO 1500 as recommended. The application and the used custom protocol uses the fact, that in case of two busmembers sending…
    • Answered

  • ISO1500: Cable invert function or Auto polarity correction function

    Resolved
    Part Number: ISO1500 Other Parts Discussed in Thread: ISO7731 , , SN65HVD1794 Dear team, Currently, the isolated RS 485 system of customer consists of ISO7731+SN65HVD1794. but the customer are trying to change Isolated RS485 device like ISO1500 due to application…
    • Resolved
    • Answered

  • ISO1500: Auto-direction control circuit for ISO1500

    Resolved
    Part Number: ISO1500 Hi team, My customer does not want to control DE/RE, so I recommend them to use b below circuit. Please help check if it is ok from your side. Thanks. BR, Charles Lin
    • Resolved

  • ISO1500: failsafe protection

    TI Thinks Resolved
    Part Number: ISO1500 Team, The datasheet claims failsafe protection on the bus pins for “open, short, and idle” conditions. Does the “short” condition include shorts to 24V, or only between the bus pins themselves? The datasheet…

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