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Showing 50 results View by: Thread Post Sort by
    Answered
  • SN65HVD1780: Inquiry for 3.3V application

    Renan Santos Adriano
    Renan Santos Adriano
    Resolved
    Part Number: SN65HVD1780 Other Parts Discussed in Thread: THVD2410 , THVD2450 Hello Team, My customer needs confirmation about the device SN65HVD1780 in a 3.3V supply. They wanted to confirm if can the transceiver still have up to 320 nodes with only…
    • Resolved
    • over 3 years ago
    • Interface
    • Interface forum
  • Answered
  • SN65HVD1780: Floating pin A voltage

    Antonis Gkotsis
    Antonis Gkotsis
    Resolved
    Part Number: SN65HVD1780 Hi, In receiver mode, if pin A is left unconnected / floating, what's its voltage? Although I don't see any reference in the datasheet that pin A has a specific voltage in this case, however, I measure it to be around 1…
    • Resolved
    • over 5 years ago
    • Interface
    • Interface forum
  • SN65HVD1780: we want use SN65HVD1780DR instead SN65HVD72

    Chenkai Wang
    Chenkai Wang
    Part Number: SN65HVD1780 Other Parts Discussed in Thread: SN65HVD72 Hi, team just copy the inquiry from one of our customer, need your kindly help to answer it. -------------------------------------------------------------------------------------…
    • over 5 years ago
    • Interface
    • Interface forum
  • SN65HVD1780-Q1: -

    SD
    SD
    TI Thinks Resolved
    Part Number: SN65HVD1780-Q1 Hi, 1. Device datasheet mentions short circuit current limit of +/-200mA, what is duration limit for short circuit protection? 2. Is there any recommendation for series resistor on bus?
    • over 5 years ago
    • Interface
    • Interface forum
  • Answered
  • SN65HVD1780: IEC 61000-4-4 tolerant data

    Kuramochi Tadahiko
    Kuramochi Tadahiko
    Resolved
    Part Number: SN65HVD1780 Other Parts Discussed in Thread: THVD2410 Hi, Do you have the tolerant data of IEC 61000-4-4? Best Regards, Kuramochi
    • Resolved
    • over 5 years ago
    • Interface
    • Interface forum
  • SN65HVD1780: Resistance Value between A and Gnd Pin

    Mohanraj S
    Mohanraj S
    TI Thinks Resolved
    Part Number: SN65HVD1780 Hi, Could you please tell me the resistance value between A and Gnd pin? Also B and Gnd Pin. When i have measured the values it shows 5.6 Mega ohms and its works fine. But some ic having communication problem having 19kilo ohms…
    • over 5 years ago
    • Interface
    • Interface forum
  • SN65HVD1780-Q1: Short to battery protection for RS485

    VAIBHAV RAJGURU
    VAIBHAV RAJGURU
    Part Number: SN65HVD1780-Q1 Other Parts Discussed in Thread: SN65HVD1780 I am using SN65HVD1780 IC in 24V vehicle system. my query is, datasheet shows maximum voltage rating for A and B terminal of this ic is -70V to +70V. so is it safe if A and B signal…
    • over 5 years ago
    • Interface
    • Interface forum
  • Answered
  • RE: SN65HVD1780-Q1: RS485 transceiver output short circuit power dissipation

    Eric Schott1
    Eric Schott1
    Resolved
    Hi Umesh, In the fault case of 16v on the B pin (with pull-down) while the device is driving B low (D and DE are high), the current through the driver is going to much more significant than the current through the pull-down (16v / 4.7k-ohm ~= 3mA),…
    • over 6 years ago
    • Interface
    • Interface forum
  • SN65HVD1780-Q1: Design matching questions

    Johnny Guo
    Johnny Guo
    TI Thinks Resolved
    Part Number: SN65HVD1780-Q1 Hi, team, I have some questions about SN65HVD1780-Q1 match design as below. Please look into it and give your suggestion. 1. Below is slave side transceiver design. For master side transceiver, do we need to design isometric…
    • over 6 years ago
    • Interface
    • Interface forum
  • Answered
  • SN65HVD1780-Q1: Short to battery protection for RS485

    VAIBHAV RAJGURU
    VAIBHAV RAJGURU
    Resolved
    Part Number: SN65HVD1780-Q1 Hi Eric, Is it safe to do short to battery(24V) test on terminal A and B. As described in absolute maximum rating voltage range is -70V to +70V. Please reply ASAP. Thanks.
    • Resolved
    • over 5 years ago
    • Interface
    • Interface forum
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