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  • Forum Post: Driving a Stepper Motor with the CPG004_DRV8812 EVM

    Naji Naufel
    Hi, I have a DRV8812 EVM with which I am trying to drive a bi-phase stepper motor. I am assuming that I would have to sequence the Phase pins in the correct order manually to see the motor rotate. Is there any control in the GUI that will spin the motor for me? Is there a reference design...
    on May 17, 2011

  • Forum Post: Re: Driving a Stepper Motor with the CPG004_DRV8812 EVM

    Naji Naufel
    Hi Jose, Thank you. It worked. Why is it that when I change the PWM setting to any number other than 0, the stepper motor stops spinning? Naji
    on May 18, 2011

  • Forum Post: Fault condition of DRV 8814

    sujit kumar
    Hi all, I am using DRV 8814 motor driver for DC motor, I am using an external PWM signal to enable pins. I am facing a problem that whenever the phase of motor is changed continuously the motor goes in fault condition. I have checked possible errors but I am not getting why it is happening, What can...
    on Jun 10, 2011

  • Forum Post: Re: DRV8825 Overcurrent Protection Issues

    Jordan Meyer
    Jose, Thanks for your help with our design. As it turns out, the over current and over temp was tripping because I had the decay pin set to fast decay. Once that was changed to mixed, our design could match that of the evaluation board. To anyone with concerns, see Jose's previous comment and...
    on Jul 7, 2011

  • Forum Post: Max step frequency, PWM frequency relation for stepper drivers

    INGVAR ANDERMO
    Being a novice regarding stepper drives, I am confused regarding the specification of max step frequency and PWM frequency for the stepper drivers DRV8824, DRV8825, DRV8811, and DRV8812: Max step frequency 250kHz is that the microstep frequency? That leads to a max speed of 250,000(200*32)*60 ...
    on Aug 1, 2011

  • Forum Post: DRV8840 in my design

    Eric Wang84871
    Our design requires 4 DC motor drive chips 3 of them is drived by +24V, PWM, and the max current may be up to 1.5A, and also the brake mode is needed. I have chosen DRV8840 to dirve these 3 motors. Another motor' s power is small, the suitable drive voltage is 5V to 12V, the max current is...
    on Sep 26, 2011

  • Forum Post: Will DRV8833 work for 4 12vDC brushed motors

    Jerard Jose
    Will be using 4 Brushed DC motors 12 vDC Voltage operating range: 6 - 12 vdc max current 269mA It's a simple project, will DRV 8833 work, will I need 2 or only 1. Thanks for any help.
    on Nov 10, 2011

  • Forum Post: DRV8833 With Lower Motor Voltage

    1985518
    How should the DRV8833 be wired for use with a lower voltage motor? My microprocessor is running at 5V, but the motors are rated to 3V. The motors will be controlled with a PWM signal. Should 3V be routed to VM while 5V is routed in to VINT and VCP? Thanks!
    on Mar 3, 2012

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