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  • INA138: INA138

    TI Thinks Resolved
    Part Number: INA138 Is it possible to use a high side current sense amplifier for voltages above 400v (ie: 650v)? Reference TIDU833

  • INA138: Low Cost Solution for measuring Single Phase & Three Phase motor current upto 90A at 500VAC

    TI Thinks Resolved
    Part Number: INA138 Other Parts Discussed in Thread: INA232 , DRV421 , INA190 Hello community, We are working on developing a comprehensive solution for the purpose of measuring and logging the power consumption patterns of our industrial equipment…
    • Answered

  • INA138: INA138 - BOM resistor error in TIDU833

    Resolved
    Part Number: INA138 Dear Experts, I am designing with INA138 and I found an error in the high common mode design document: https://www.ti.com/lit/ug/tidu833/tidu833.pdf?ts=1674152579656&ref_url=https%253A%252F%252Fwww.google.com%252F On page 14 in…
    • Resolved

  • INA138: input filter of INA138

    TI Thinks Resolved
    Part Number: INA138 Hi team, is the input filter necessary? or should I remove it?

  • INA138: I am looking for a current sense amplifier analog output，such as INA138，Common mode voltage 120-150，Instantaneous peak current 300-350A

    TI Thinks Resolved
    Part Number: INA138 Other Parts Discussed in Thread: INA290 I am looking for a current sense amplifier analog output，such as INA138，Common mode voltage 120-150，Instantaneous peak current 300-350A ,Applied to AC sampling，Can you recommend a suitable device…

  • INA138: Design review

    Part Number: INA138 Hi Team, Good day. Can you help check the customer schematic below? Vload is connected to dynamic load and tried 1A,2A,0.5A but there is no voltage on vout. The Rsense has been changed to 20 mOHM and 100mOHM and r96 to 33k and 200k…

  • INA138: Overvoltage input protection for INA138

    TI Thinks Resolved
    Part Number: INA138 I am looking at a situation where a voltage may be present at the inputs (Vin+ and Vin-) while the part is powered down (V+ = 0). Does this part have overvoltage protection for this situation? If not, how can I add protection for this…
    • Answered

  • INA138: error rate caused by VOS

    Resolved
    Part Number: INA138 Hi team, below is customer's spec, RL=516kohms you can see the 21% error rate is expected, and yes they now report that they see output 0.38V which ideally should be 0.516V However, they've doing this design for generations ,why…
    • Resolved

  • INA138: Current Read Out Accuracy Issue

    TI Thinks Resolved
    Part Number: INA138 Other Parts Discussed in Thread: INA139 Hi TI support Team, Good day. We have been using INA138 for quite some time, but recently the current reading detected from production is getting higher. I would like to know the current range…
    • Answered

  • INA138: Parts buy from Jabil INA138NA

    Resolved
    Part Number: INA138 Dear Sir/Madam We have bought a part from JABIL,the P/N is INA138NA,d/c 1714+. But the parts we test that they're secondary coating,means remarked,and we did X-RAY test,found it's different with the 18+ and 20+ ones. Is possible…
    • Resolved

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