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Showing 27 results View by: Thread Post Sort by
    Answered
  • LMP8645: LMP8645 Replacement

    Prasad Godage
    Prasad Godage
    Resolved
    Part Number: LMP8645 Other Parts Discussed in Thread: LMP8601 Hello TI Team, I am looking for LMP8645 replacement. I want following features in new High side current sense IC. 1) supply Voltage 5V 2) Rail to Rail output 3) Vsense,min =500mV (LMP8645 has…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LMP8645: Questions about LMP8645 output low response issue

    Jacky Wang(QD)
    Jacky Wang(QD)
    TI Thinks Resolved
    Part Number: LMP8645 Other Parts Discussed in Thread: INA296A , INA293 , INA290 , INA296B , INA280 , INA281 Hi Team, Customer is using LMP8645 for one square wave current sensing, during the debug, they found the VOUT response of LMP8645 is very slow as below…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • LMP8645: offset error

    Marcello Deluca
    Marcello Deluca
    Part Number: LMP8645 Is the TI spice model for the LMP8645 wrong? Using TI spice, I get an unexpectedly large offset error; I didnt expect this for a part with specs of Vos = 1mV and Ib = 23uA. Using high side current sensing through a .005 ohm sense resistor…
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMP8645: Residual voltage issue

    Jay Li
    Jay Li
    Resolved
    Part Number: LMP8645 Other Parts Discussed in Thread: TPS65132 In our a project , we use LMP8645 to detect the current of DCDC output . The output voltage of DCDC is 1.8V . LMP8645 is connected after the DCDC output . Test condition : The input of DCDC…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMP8645: low side current sensing with input filter

    Kawsar Ali
    Kawsar Ali
    Resolved
    Part Number: LMP8645 Hi there, I am using LMP8645 for a low-side current sense application as shown in the attached schematic. The current is a high-frequency diode-rectified unipolar current and I am trying to get the average of it. Therefore I have…
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMP8645: +IN, -IN terminal input voltage range

    user6390769
    user6390769
    Resolved
    Part Number: LMP8645 HI E2E Please let me know the voltage that can be applied to each of +IN and -IN. For example, V+ is connected to +5V, and V- is connected to ground, is the voltage that can be applied to +IN and -IN up to +5V? Best Regards.
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
  • LMP8645: similar part with ref voltage input

    Adam Daluga
    Adam Daluga
    TI Thinks Resolved
    Part Number: LMP8645 Other Parts Discussed in Thread: LMP8481 , , INA240 Hello, I’m looking at using the LMP8645/8640, but it lacks the reference input of the LMP8481. Is there a similar part that has a reference voltage input? This would allow us…
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • LMP8645: Saw tooth oscillation on the output when connected to a DCDC

    arnaud Herbert
    arnaud Herbert
    Resolved
    Part Number: LMP8645 Dear All, In a WPT project, I'm making a feedback with a LMP8645 on the feedback pin of a DCDC buck regulator. The voltage on this pin is Vfb=0.6V during regulation The objective is to increase or decrease the DCDC voltage accordingly…
    • Resolved
    • over 3 years ago
    • Amplifiers
    • Amplifiers forum
  • INA213: Inquiry Regarding INA213 Gain Calculation

    kim kwangsu
    kim kwangsu
    TI Thinks Resolved
    Part Number: INA213 Other Parts Discussed in Thread: INA791 , LMP8646 , LMP8645 Tool/software: Dear TI Engineer, I hope this email finds you well. I am a circuit design engineer working with the INA213, and I have a few questions regarding this chip. …
    • 1 month ago
    • Amplifiers
    • Amplifiers forum
  • LMP8645: Can the chip limit the current below 7mA

    suyi suyi
    suyi suyi
    Part Number: LMP8645 Other Parts Discussed in Thread: INA190 The load is powered by dcdc,and the maximum current of the load is limited to 7mA,so can LMP8645 limit the current below 7mA? And what the accuracy is?
    • over 4 years ago
    • Amplifiers
    • Amplifiers forum
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