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  • ISO7741-Q1: Schematic review

    TI Thinks Resolved
    Part Number: ISO7741-Q1 Tool/software: Hi team, Please help review whether the power supply of ISO7741-Q1 is reasonable. If there is any need for improvement, please point it out. The two schematics are two independent power supply methods and the…

  • RE: ISO7741-Q1: ISO7741-Q1 working voltage

    Hi Hangjie, Thanks for reaching out. Hangjie Wang said: And if we use this device on 400V battery, whether the DBQ-16(300Vrms working voltage) suitable for the 400V BMS system? In the insulation specifications from the datasheet, The Maximum…

  • ISO7741-Q1: Galvanic isolation

    Part Number: ISO7741-Q1 Other Parts Discussed in Thread: ISO7741 Hello together, I want to use the ISO7741 for galvanic isolation of a SPI-Interface (and 2 other signals) When input and output are not connected this works well for my transfer rate of…

  • ISO7741-Q1: Using reinforced parts as functional insulation

    TI Thinks Resolved
    Part Number: ISO7741-Q1 Tool/software: A number of TI isolators have DIN EN IEC 60747-17 (VDE 0884-17) reinforced certifications. One of the major requirements of reinforced insulation in this standard is a 1ppm failure rate over lifetime [FROL] based…

  • ISO7741-Q1: Datasheet discrepancies - Silicon versus package isolation voltage limitations - DWW vs DW

    TI Thinks Resolved
    Part Number: ISO7741-Q1 Tool/software: I was recently pointed to the DWW package version of the ISO7741-Q1, which has a 33% higher voltage rating than the DW package. I've noted a number of oddities in the datasheet which lead me to questions: Page…

  • RE: ISO7741-Q1: leakage and clamping currents

    Hi Matthias, Thanks for reaching out. Matthias Geipel said: What is the maximum output leakage current of a disabled output OUTx? Is it below 1µA, in the range of 10µA or is ist higher? I couldn't find this in the datasheet. This is not specified…

  • ISO7741-Q1: ISO7741FBDWR is not transmitted data

    TI Thinks Resolved
    Part Number: ISO7741-Q1 Tool/software: Hi, I am using ISO7741FBDWR as isolated 1mbps UART. I found that communication is not being transferred to isolated side from MCU.I am attaching my schematics> Please let me know if there is any mistake Thanks…
    • Answered

  • ISO7741-Q1: Changes due to PDN 5/31/24

    Resolved
    Part Number: ISO7741-Q1 Other Parts Discussed in Thread: ISO7740-Q1 , Tool/software: I noticed that ISO7741-Q1 and ISO7740-Q1 are getting a bunch of their Part Numbers discontinued. For example, ISO7741FQDBQQ1 is being replaced by ISO7741FQDBQRQ1. The…
    • Resolved
    • Answered

  • ISO7741-Q1: solution for improving EMI

    Resolved
    Part Number: ISO7741-Q1 Other Parts Discussed in Thread: ISO7741 , ISOW7741 hi expert i saw this link Fundamentals of EMI Requirements for an Isolated DC/DC Converter (ti.com) . in this note, it show two solution to improve EMI: one is to add "Interlayer…
    • Resolved

  • ISO7741-Q1: Looking for 1.8V SPI/ 25M~100M digital isolation

    TI Thinks Resolved
    Part Number: ISO7741-Q1 Tool/software: Dear team, Did we have solution for 1.8V digital isolator and can support up to 100MHz SPI? Regards, Ben

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