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Showing 119 results View by: Thread Post Sort by
  • INA138: Ina138

    Bruce Doan
    Bruce Doan
    TI Thinks Resolved
    Part Number: INA138 Other Parts Discussed in Thread: INA296B , INA169 , INA168 , AMC1301 Tool/software: I am looking at a design example for a high side current sense for systems with very high common mode voltage. https://www.ti.com/lit/an/sboa295…
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • INA138: Current measurement

    Harish Nanjundaswamy
    Harish Nanjundaswamy
    TI Thinks Resolved
    Part Number: INA138 Tool/software: Dear All, I want to use the below schematic to measure current in a 3 Phase inverter - i.e. to measure Phase voltage. What is wrong in the below schematic. 1. When I supply DC voltage it provide a correct o…
    • 2 months ago
    • Amplifiers
    • Amplifiers forum
  • INA138: INA138

    Bruce Doan
    Bruce Doan
    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
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • INA138: 250VDC Back Up Battery System Monitoring

    Kevin Gregg
    Kevin Gregg
    TI Thinks Resolved
    Part Number: INA138 Other Parts Discussed in Thread: TMCS1123 Tool/software: In my application, I am measuring current of the high-side of a back up battery system (250VDC) off a current shunt. I am using a din rail mounted signal conditioner from phoenix…
    • 9 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA138: Maximum input voltage when Vsupply is 0V

    Barney
    Barney
    Resolved
    Part Number: INA138 Tool/software: What is the maximum allowable voltage on VIN+ and/or VIN- when the supply voltage (V+) is zero?
    • Resolved
    • 10 months ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • INA138: INA138 - BOM resistor error in TIDU833

    Andras Magyar
    Andras Magyar
    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…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • INA138: input filter of INA138

    Fred Cheng
    Fred Cheng
    TI Thinks Resolved
    Part Number: INA138 Hi team, is the input filter necessary? or should I remove it?
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • INA138: Overvoltage input protection for INA138

    Barney
    Barney
    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…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA138: I am looking for a current sense amplifier analog output,such as INA138,Common mode voltage 120-150,Instantaneous peak current 300-350A

    aiwen chen
    aiwen chen
    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…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • INA138: Design review

    Marvn Arcangel
    Marvn Arcangel
    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…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
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