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  • SN65HVD72: SN65HVD72D

    TI Thinks Resolved
    Part Number: SN65HVD72 Tool/software: Hello Team, I am using SN65HVD72D IC for Modbus communication. I wanted to check do we need Common mode choke & filter circuitry for the differential pair of lines? Thanks & Regards Sunil Bhattad

  • SN65HVD72: looking for the SN65HVD72DR DSN file

    TI Thinks Resolved
    Part Number: SN65HVD72 Tool/software: Do you have SN65HVD72DR of the DSN file to share? The customer would have DSN to draw the SCH. BR, Gary

  • SN65HVD72: Production Testing

    TI Thinks Resolved
    Part Number: SN65HVD72 Other Parts Discussed in Thread: THVD1406 Tool/software: Hi, We are going to be using the SN65HVD72 on an upcoming PCB as an interface for future communication with additional PCBs. At the moment, we do not have any PCBs to communicate…

  • SN65HVD72: Flow while Vcc is off

    TI Thinks Resolved
    Part Number: SN65HVD72 Tool/software: Hi team, In customer system, Vcc can be off in order to reduce power consumption. While Vcc is off, current flows from A/B port to Vcc. Is this expected behavior? How do they prevent this? Is this current flow no…

  • SN65HVD72: Communication modes

    TI Thinks Resolved
    Part Number: SN65HVD72 This question is in relation to SN65HVD72: 5 Meter Communication design - Interface forum - Interface - TI E2E support forums I would like to know if both sides of the communication need the 120 ohm and pull-up resistors, or if…
    • Answered

  • SN65HVD72: Are there any examples using RS485 transceivers with pulse transformers?

    Resolved
    Part Number: SN65HVD72 Dear Specialists, My customer would like to check if there is any example of SN65HVD72 communicating using the pulse transformer shown below. I would be grateful if you could advise. Are there any design example and adoption example…
    • Resolved
    • Answered

  • SN65HVD72: 5 Meter Communication design

    Resolved
    Part Number: SN65HVD72 Other Parts Discussed in Thread: THVD1419 Hi I would like to use SN65HVD72 for an upcoming project, where we will have our main PCB, and the secondary PCB could be max 5 meters away. We would like simple UART communication between…
    • Resolved

  • SN65HVD72: Long-term degradation to transceiver pair when motor is active

    Part Number: SN65HVD72 My customer is having an issue where an RS485 bus appears fully functional for several hundred hours, but begins to miss pings and quickly loses communication entirely. The receiving device has a 24V pump that seems to increase…
    • Answered

  • SN65HVD72: Violating maximum number of devices on the RS485 bus?

    Resolved
    Part Number: SN65HVD72 Hello TI forum - I have an application that incorporates 500 SN65HVD72 devices on a RS485 bus. The bus consists of 1000' 24AWG 120ohm twisted-pair cable with drops every 2'. Data rate is 115.2kbps. Terminations on both ends are…
    • Resolved

  • SN65HVD72: Schematic Review

    TI Thinks Resolved
    Part Number: SN65HVD72 Other Parts Discussed in Thread: MAX3221 , SN74AUP2G17 , THVD1426 , THVD1406 I have an rs232 communication line that I have been communicating directly to an esp32. Recently I decided to include a SN65HVD72DR for a little added protection…

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