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  • RE: [FAQ] THVD1400: RS-485 / RS-422 Transceiver Resources

    Resolved
    If you still have questions about our transceivers, click the "Ask a new question" button above. We will try our best to get you a response in 24 hours!

  • THVD1400: current consumption on the IC

    Part Number: THVD1400 Tool/software: Hi I am using this THVD chip and I am trying to reduce current on my design. currently I have 1mA current flowing through R44. even when there is no power on the RS485. I was trying some solution in order to…

  • THVD1400: THVD1400DR transmission distance issue

    TI Thinks Resolved
    Part Number: THVD1400 hi， The customer uses THVD1400DR as the RS485 transceiver, the sending end is powered by 3.3V, the receiving end uses 5V power supply and point-to-point communication. Does it affect the transmission distance？ In order to reduce…

  • THVD1400: Spice model .lib for PSpice-TI

    Part Number: THVD1400 Hello, I'm working on RS485 , currently using THVD1400DR but getting issues with A and B dropping voltage, so I decided to make some simulation. It turned out that the THVD1400DR that I'm using only provides the .ibis model and I…
    • Answered

  • THVD1400: Layout Review: RC Filter for UART inputs on MCU

    Resolved
    Part Number: THVD1400 Other Parts Discussed in Thread: ESDS452 , ESDS552 , TSD05 Tool/software: Hello E2E Community, We are using THVD1400 for our RS485 use case with a maximum data rate of 20kbps. The maximum trace lengths on the PCB from THVD to MCU…
    • Resolved
    • Answered

  • THVD1400: Do We require Level shifter in RS485 IC which is connected with 5V supply and Interfacting with ESP32 3.3v logic level.

    Resolved
    Part Number: THVD1400 Tool/software: Hi there, I hope you are doing well! There is doubt on interfacig MCU ie ESP32 withTHVD1400 operated with different voltage levels. Altough there is no issue incurred for being tested a month now. But for the long…
    • Resolved

  • THVD1400：Conference System

    TI Thinks Resolved
    Part Number: THVD1400 Dear, We (BXB) needs samples, please open the restrictions on sample application rights, thank you!
    • Answered

  • THVD1400: Communication error occurred with 50 nodes

    Resolved
    Part Number: THVD1400 Hi, my customer trying to use 200 of THVD1400 with daisy chain. The device can support 256 nodes but an communication error occurred with 50 nodes under their evaluation. What point should we check first for solving a problem…
    • Resolved

  • THVD1400: THVD1400 design confirm

    Part Number: THVD1400 Dear Expert , Good day! Our customer want to use THVD1400 to make a 485 network system. There are more than 200 loads, and the transmission distance is about 28 meters. The load is evenly distributed. The resistance of the number…

  • THVD1400: RS485 AUTO TXRX distortion at 115200 baud rate

    TI Thinks Resolved
    Part Number: THVD1400 Other Parts Discussed in Thread: THVD1406 Hi team: Can you help to review attached SCH for the Auto RX TX issue at 115200 baud rate? but 9600 baud rate works well here. tks for your comments. THVD1400-RS485 issue.docx

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