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Presentation functional version 2DOF arduino and IBT2h

Discussion in 'Ready, set, go - Start your engines' started by Luis Arnaldo Ribeiro, Nov 3, 2018.

  1. Luis Arnaldo Ribeiro

    Luis Arnaldo Ribeiro New Member

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    De boas ?
    Apresentando nossa versão agora funcional do SMC3 Arduino:

    Cool ?
    Introducing our now functional version of the SMC3 Arduino

    [​IMG]


    [​IMG]



    UPDATE:
    A very important tip is to put thermal paste on the ibt2 bridges
    [​IMG]
    This photo is just to illustrate, because this bridge is burned, put enough thermical paste to cover this little holes
    [​IMG]

    Attached Files:

    • Like Like x 1
    Last edited: Dec 2, 2018
  2. Ads Master

    Ads Master

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  3. grec pastor

    grec pastor Member

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    Muito legal Luis Arnaldo, uma pergunta, eses motores cual sao ?

    Very cool Luis Arnaldo, a question, are these engines what are they?
  4. Luis Arnaldo Ribeiro

    Luis Arnaldo Ribeiro New Member

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    Hey there! is a GBP 24v BOSCH
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  5. Luis Arnaldo Ribeiro

    Luis Arnaldo Ribeiro New Member

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    46272328_309041029823090_7587916595834388480_n.gif
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  6. grec pastor

    grec pastor Member

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    Are you sure that's the engine reference, because I only get Ford mondeo engines at 12v.

    I would appreciate it if you can send a more specific link.

    Thank you.
  7. Luis Arnaldo Ribeiro

    Luis Arnaldo Ribeiro New Member

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  8. motiondynamics

    motiondynamics New Member

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    I used IBT2s, but they immediately burned, they don't have a good logic to control PWM signals
  9. noorbeast

    noorbeast VR - The Next Generation Staff Member Moderator

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  10. motiondynamics

    motiondynamics New Member

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    yes, the code SMC3 v1.0. two second the hbridge burn....
  11. BlazinH

    BlazinH Well-Known Member

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    You apparently connected them incorrectly, they were bad to start with, or you didn't change SMC3 mode to IBT-2 first (assuming you are using them within their stated specs).
    • Agree Agree x 1
    Last edited: Apr 13, 2019
  12. motiondynamics

    motiondynamics New Member

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    But with IBT2 is it possible to power motors with 15 amps 12v?
  13. BlazinH

    BlazinH Well-Known Member

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    Yes. Specs say up to 27v and 43a but I wouldn't recommend pushing them to the limits.
  14. motiondynamics

    motiondynamics New Member

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    I had done the test to feed them at 24V and burned. I did read the datasheet btn7960 to an electronic technician, and he told me that the maximum "allowed" voltage to obtain current performance is 18 volts.
  15. BlazinH

    BlazinH Well-Known Member

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    Product description
    Instruction:
    This driver uses Infineon chips BTS7960 composed of high-power drive full H-bridge driver module with thermal over-current protection. Double BTS7960 H-bridge driver circuit, with a strong drive and braking, effectively isolating the microcontroller and motor driver! High-current 43A.

    Electrical performance:
    Model: IBT-2
    Input voltage: 6V-27V
    Maximum current: 43A
    Input level: 3.3-5V
    Control method: PWM or level
    Duty cycle: 0-100%
    Input port:
    1.RPWM: forward level or PWM signal input, active high
    2.LPWM: Reverse level or PWM signal input, active high
    3.R_EN: forward drive enable input, high-level enable, low level off
    4.L_EN: Reverse drive enable input, high-level enable, low level off
    5.R_IS: forward drive current alarm output
    6.L_IS: Reverse drive current alarm output
    7.VCC: +5 V power output, 5V power supply connection with the microcontroller
    8.GND: signal commo
  16. motiondynamics

    motiondynamics New Member

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    No, nominals are 18 volts.
    Up to 28 volts, but out of range (deviation possible)

    Attached Files:

  17. BlazinH

    BlazinH Well-Known Member

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    What does that prove? 27v is within the 28v extended range. Also the Ibt2 uses more components than just a single bts7960 chip. I admit that its not unusual for the Chinese to exaggerate things but you asked if it would work at 12v and 15a which is well within specs, even your own. I think you just f&^ked up somewhere. Good luck I'm out!
  18. Luis Arnaldo Ribeiro

    Luis Arnaldo Ribeiro New Member

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  19. MarcoMade

    MarcoMade Active Member

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    I would check first if the arduino firmware was correctly configured x ibt2.
    second check pwm connections between arduino pins and ibt2 are exact.
    power supply without load for test or with a fictitious load resistance of 15-20 ohm 10w and to measure voltage or wave form in output.
    if everything is ok, connect the motor.
    ibt2 are in my opinion difficult to roast. not even with a motor with brushes short on mine and dead, he just moaned.
    for continuous use I recommend forced ventilation