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Showing 139 results View by: Thread Post Sort by
  • DRV8871: DRV8871

    itzik mizrahi
    itzik mizrahi
    Part Number: DRV8871 hi all, i use in my design DRV8871 and sample an overshoots on the IN1 and IN2 pins in the moment that i connect the supply (all other pins are unconnected). how it is possible? some has an idea? BR, Itzi
    • 2 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8871: In which PIN to apply PWM signal in DRV8871?

    Leonardo Callegaro
    Leonardo Callegaro
    Resolved
    Thank you very much Ryan. In my case, I am using Adafruit DRV8871 (which uses the TI driver DRV8871). I think that pin "PGND" and "GND" are already internally connected in the breakout board, as per this schematic (available here )…
    • 2 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • RE: DRV8871-Q1: coil load and current sense

    Tilden Chen
    Tilden Chen
    Resolved
    Hello Sherry, 1. I think so, but the customer needs to try and confirm. 2. The 0.5 ohm shunt resistor should support up to 1.4 A output current. We want to keep the voltage across GND to PGND above -0.7 V to avoid current flowing back through the FET…
    • 15 days ago
    • Motor drivers
    • Motor drivers forum
  • DRV8871: How to measure load current for DRV8871

    Huang Stone
    Huang Stone
    TI Thinks Resolved
    Part Number: DRV8871 Other Parts Discussed in Thread: DRV8876 The way to measure load current: we insert high precision 1 ohm resistor between PGND pin and PCB ground。Then we amplifier the voltage signal across 1 ohm res and measure it by ADC. The issue…
    • 3 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8871: How to measure load current of DRV8871

    Huang Stone
    Huang Stone
    TI Thinks Resolved
    Part Number: DRV8871 Other Parts Discussed in Thread: DRV8210EVM , DRV8251A The way to measure load current: we insert high precision 1 ohm resistor between PGND pin and PCB ground。Then we amplifier the voltage signal across 1 ohm res and measure it…
    • 4 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8871: Replacing DRV8871 with DRV8870 in mass production.

    Xiaodong Zhao
    Xiaodong Zhao
    Resolved
    Part Number: DRV8871 Other Parts Discussed in Thread: DRV8870 , DRV8872 Hi, Because of the supply problem, I consider replacing DRV8871 with DRV8870 in mass production. Discarding the IChip feature is acceptable. I wonder if it's theoretically feasible…
    • Resolved
    • 7 months ago
    • Motor drivers
    • Motor drivers forum
  • Answered
  • DRV8871: iLim resistor

    Cameron Perl
    Cameron Perl
    Resolved
    Part Number: DRV8871 Hey team, Just wondering if we had a recommended wattage for the resistor on ILim? Trying to figure out if a customer should use a 402 or 201 sized resistor. Thanks, Cam
    • Resolved
    • 6 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8871-Q1: Avoiding inrush problem

    Helmut Aretz
    Helmut Aretz
    TI Thinks Resolved
    Part Number: DRV8871-Q1 Other Parts Discussed in Thread: DRV8871 , DRV8872 I have developed a board that is intended to drive different types of motors. One application is a "smart" servo motor which has an integrated controller and an RC (PWM) interface…
    • 6 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8871: DRV8871

    brittany cohen
    brittany cohen
    TI Thinks Resolved
    Part Number: DRV8871 Hi there, I currently designed a motor controller with the MC33926 controller for a dc brushed motor. after implementing this controller we noticed current spikes from the initial movements for the motor (as expected) and then implemented…
    • 11 months ago
    • Motor drivers
    • Motor drivers forum
  • DRV8872: can DRV8872 use the same layout with DRV8871?

    Yuan Tan63
    Yuan Tan63
    TI Thinks Resolved
    Part Number: DRV8872 Other Parts Discussed in Thread: DRV8871 , DRV8873 hi, customer used to use DRV8871, now they want to P2P change to DRV8872? is there any concern or points for that? I checked the pin definition and find the pin4 and pin7 is different…
    • 7 months ago
    • Motor drivers
    • Motor drivers forum
>

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