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  • INA185-Q1: Need assistance in designing current sense amplifier

    TI Thinks Resolved
    Part Number: INA185-Q1 Other Parts Discussed in Thread: INA185 Tool/software: Hello, We are designing a master slave BMS. The master will have to get the pack current reading and take necessary action for current faults (OCC,OCD and SCD). We would like…

  • INA185: Safe when voltage applied at V+ and V-, but no Vs?

    TI Thinks Resolved
    Part Number: INA185 Tool/software: Hello, Can you please confirm that the INA185 is safe in the scenario that the V+ and V- pins are connected to the shunt R on an active 12V rail, but this devices' Vs rail is unpowered, 0V? Thanks.
    • Answered

  • INA185: Please review the schematic

    Resolved
    Part Number: INA185 Dear TI experts, My customer have a problem with operating INA185A1IDRLR. Could you review the schematic first? The problem is, sometimes There is no output on pin 1. And This is not related to the part. SO we suspect that some conditions…
    • Resolved

  • INA185: How to measure the current in Negative voltage circuit

    TI Thinks Resolved
    Part Number: INA185 Hi BU expert, If the Vin is Negative voltage as below, do you have suitable device to recommend? The AVEE and VGL in screen are -6V and -12V. Customer would like to do a overcurrent protect circuit. Thanks. Regards， Charlie
    • Answered

  • INA185: INA181, INA213-C, and INA351 - Specifications and Selection for Cost-Optimized Designs for CT as well as 4-20mA measurement circuits

    Resolved
    Part Number: INA185 Other Parts Discussed in Thread: INA351 , INA181 , , INA281 , INA213 , INA191 , INA190 Dear Community, We're working on 2 highly cost-sensitive application use cases where we have to measure the voltage drop across a Resistor connected…
    • Resolved
    • Answered

  • RE: INA185: Use 2 current sense op amps for fully differential ADC on F28379D

    Resolved
    Hi, Thank you very much for your comments. I have moved on to use a fully differential amplifier to simplify the design. Cheers.

  • INA185: Please review the schematic

    TI Thinks Resolved
    Part Number: INA185 Other Parts Discussed in Thread: TINA-TI Hello TI experts, My customer made their first PCB with INA185, could you review the schematic first? and here is a question, my customer tested with INA185A2, they found that transient time…
    • Answered

  • INA185: Output Cap oscillation

    Resolved
    Part Number: INA185 Hi, I'm using an INA185 as a voltage sensor. I put 0.1uF at the output side as a filter cap. It will produce a 128k, pk to pk 700mV oscillation. However, when I remove this 0.1 output cap, all the sensing signals go back to normal…
    • Resolved

  • INA185: Abnormal voltage of OUT.

    TI Thinks Resolved
    Part Number: INA185 Hi My customer had a defect as follows. When VS(#6) is turned on/off, a spike voltage appears in OUT(#1) Didn't connect any other pins. Input: DC Supply (2.8V) Waveform: Ch1(yellow): VS , Ch2(green)_OUT ( customer measured waveform…
    • Answered

  • INA185: Large change in output voltage when common mode voltage applied

    Resolved
    Part Number: INA185 Other Parts Discussed in Thread: INA240 Hi, This may be a silly question. I'm using an INA185A2 current sense amplifier for in-line current sensing in a BLDC application. Vsupply is 3.3V with a 1.65Vref from a voltage divider. …
    • Resolved

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