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  • OPA388-Q1: OPA388-Q1 Bi-Directional current sensing for automotive

    TI Thinks Resolved
    Part Number: OPA388-Q1 Other Parts Discussed in Thread: REF5025 , OPA388 Tool/software: Hi we need to sense bi directional current from +/-1200A range. we looked for OPA388-Q1(In data sheet it has mention +/-1A) , Whether this is suitable for our application…
    • Answered

  • OPA388-Q1: About Current Offset

    Resolved
    Part Number: OPA388-Q1 Other Parts Discussed in Thread: OPA388 , OPA392 Tool/software: Hi, I would like to measure 120 amperes on the shunt resistor with OPA388. When I check the op amp graph, I see non symmetrical current graphs like below. I attached…
    • Resolved
    • Answered

  • OPA388: Analog filter tool is showing error when opened.

    Resolved
    Part Number: OPA388 Tool/software: Hello TI support, Analog filter tool is showing attached error when launched while rest of simulation tools are getting opened. Please help. Regards, jagdish
    • Resolved

  • OPA388-Q1: Simulation - High speed over current detection

    Part Number: OPA388-Q1 Other Parts Discussed in Thread: OPA388 , TLV3201 Hello GPAMPs team, my customer is interested in simulatie the High speed over current detection concept based on the application note https://www.ti.com/lit/an/snoa987a/snoa987a.…

  • OPA388-Q1: About Protection

    TI Thinks Resolved
    Part Number: OPA388-Q1 Other Parts Discussed in Thread: OPA388 , OPA2388 Hi, I would like to add overvoltage protection to the input side of OPA388. Do you have any suggestion ?

  • OPA388: Rail-to-rail amp output gets stuck at upper rail.

    TI Thinks Resolved
    Part Number: OPA388 Other Parts Discussed in Thread: TINA-TI I'm using the OPA388 in a current-measurement design. I use the '388 to amplify (Gain = 10,000) the voltage across a shunt resistor, with the expectation that 200uA into the shunt generates…

  • OPA388: follower cut-off frequency

    Part Number: OPA388 Hi, I am using OPA388 in simulation and I am quite dispointed to notice that in follower configuration I obtain as low as 10kHz cut-off frequency. Could you please tell me if this is excepted or if there might be a problem with my…

  • OPA388: Open-loop voltage gain specification

    TI Thinks Resolved
    Part Number: OPA388 Other Parts Discussed in Thread: OPA387 Dear team, At datasheet, We can see difference condition of Vout range as load register value 10K or 2K ohm. 1. Is there any specific meaning of Vout range per load value in test condition? Please…
    • Answered

  • OPA388: Max. Capacitive Load

    Resolved
    Part Number: OPA388 Other Parts Discussed in Thread: OPA392 , TINA-TI , INA240 Hi, We are using the design below. We observe that the output of the OPA388IDBV oscillates. We think that is due to the capacitive load on its output (400nF) Could you please…
    • Resolved

  • OPA388: Phase Current Abnormal Waveform

    Part Number: OPA388 Other Parts Discussed in Thread: UCC27211 , Hi all, I have custom design BLDC driver board with OPA388 amplifier and UCC27211 gate driver IC. I attached the 3 phase current measurement screens. I couldn't measure the third phase as…

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