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  • THVD1454: THVD1454DRCR and THVD1454DRCR.A

    Resolved
    Part Number: THVD1454 Hi All, I have a question about the THVD1454. Please tell me the difference between THVD1454DRCR and THVD1454DRCR.A, which are listed on page 25 of the datasheet. Best Regards, Ishiwata
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    • Answered

  • THVD1454: Termination resistor ON or OFF

    Resolved
    Part Number: THVD1454 Hi team, Regarding the criteria for switching a termination resistor ON or OFF, is it correct to understand that it depends on the position of the device on the communication line? Specifically, is it correct to design the system…
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    • Answered

  • THVD1454: Hysteresis vs positive and negative-going thresholds

    Resolved
    Part Number: THVD1454 Tool/software: I'm looking at a few RS-485 transceivers, and one parameter of interest is the hysteresis. I would expect the typical hysteresis to be equal to the difference between the typical positive-going threshold and the typical…
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    • Answered

  • THVD1454: Total Current Draw when termination and driver are enabled

    Resolved
    Part Number: THVD1454 Other Parts Discussed in Thread: THVD1500 Tool/software: I have a question on the THVD1454DRCR part. I am designing an RS485 bus that is powered via the ethernet cable with a 24V bus. I need to keep the current draw of the RS485…
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  • THVD1454: Termination Resistance - State during VCC off

    TI Thinks Resolved
    Part Number: THVD1454 Tool/software: Hi Team, On our devices with internal termination possibilities. If this is enabled through TERM pin, will the termination resistance be still be seen during VCC off? Kind regards, Lucas
    • Answered

  • PROCESSOR-SDK-AM62A: Interfacing the THVD1454 RS485 Transceiver

    Resolved
    Part Number: PROCESSOR-SDK-AM62A Other Parts Discussed in Thread: THVD1454 Hi TI Team, We developing our custom board based on AM62A SK EVM. We wan to interface the THVD1454 RS485 Transceiver with AM62Ax processor. Below is the rough hardware design…
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  • THVD1454: Min. Receiver Input Impedance when termination resister disable

    Resolved
    Part Number: THVD1454 Hello Support team, Could you provide Min. Receiver Input Impedance when termination resister disable? Datasheet 9.2.1.3 looks to have THVD1454 has 1/8 UL, this looks to show >96kohm, but, I can' find any spec on datasheet. …
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    • Answered

  • RE: THVD1439: internal termination resistor

    Resolved
    Hi Shota, We do have the THVD1454 which includes an integrated, switchable termination resistor, but it does not include IEC 61000-4-5 surge protection. It does have IEC 61000-4-2 (ESD) and 4-4 (EFT) however. You could use this transceiver with an external…

  • THVD1449V: IEC61000-4-5 Protection, Selectable Termination, and Bandwidth

    TI Thinks Resolved
    Part Number: THVD1449V Other Parts Discussed in Thread: THVD1454 , THVD1424 , TVS1401 Hi We've got an upcoming RS485 Design. Our requirements for this interface are: 500Kbps RS485 Half Duplex IEC61000-4-5 Level 2 (8/20us test: 1KV / 42 ohms…

  • Which is the best IC for RS485 to ttl

    TI Thinks Resolved
    Other Parts Discussed in Thread: THVD1426 , THVD1406 , THVD1454 , THVD1420 , THVD1400 , THVD1410 Dear Experts, Currently, i have used the below design for RS485 to TTL with auto flow control(74HC), now i have the plan to redesign my converter with ti…

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