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Motor Drivers

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  • Forum Post: DRV8825 Overcurrent Protection Issues

    Jordan Meyer
    I have been evaluating the DRV8825 for a single axis stepper motor drive. We purchased a DRV8825EVM board and I was able to develop most of my code on that platform. I also bench marked the current in the motor windings using a current probe on an oscilloscope while driving a 6 port Valco Valve with...
    on Apr 26, 2011

  • Forum Post: DRV8432 - Mode Select Pin

    Boissard Pierrick
    Hi, I'm currently interrested in DRV8432 motor driver. I saw you sell an Evaluation board and I have a question about mode select pin. In the datasheet, it's specified at page 18: "Mode select pins (M1, M2, and M3) should be connected to either VREG (for logic high) or AGND for...
    on May 17, 2011

  • Forum Post: Library containing DRV8312 for Altium Designer

    Jaime Castro
    Hello all, I'm looking for a library containing the DRV8312 schematic and the footprint to use it with Altium Designer. Please, if someone has his own design or knows where to download it, please tell it to me. Thank before hand! Jaime
    on Jun 8, 2011

  • Forum Post: New to DRV 8811

    Devidas Bhonde
    Sir, I am impressed by the short circuit / over current protection of DRV8811. (I am more used to Allegro A3977, which is otherwise very similar) Please suggest me, whether it is necessary to use a small inductor (of say 5% motor) in order to use this feature effectively. Or it is taken care...
    on Jun 15, 2011

  • Forum Post: Re: New to DRV 8811

    Devidas Bhonde
    Thank you Jose, You have given satisfying and to the point answers. Looks like I could be switching to 8811... And it may increase my confidence in mini stepper drivers. So that my production goes up :-) But I am a bit worried about the delamination, you mentioned. Seems I need to be careful...
    on Jun 16, 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

  • Blog Post: Keeping in touch...

    Kristina Arnold
    Welcome to the new Motor Driver Announcements tab! We’ll be using this area to post the latest and greatest in TI motor driver products, along with other information we think you’ll love. We’ll post a ton of great stuff here, including, but not limited to: New tools and...
    on Jul 26, 2011

  • Blog Post: New motor pre-driver reduces board space 60% while driving up to 60-A FETs

    Kristina Arnold
    Today we announced t he DRV8301 , the most highly integrated motor pre-driver available today, reducing board space as much as 60% compared to the next closest integrated solution. It can drive up to 60-A with external FETs, providing current scalability, improved thermal performance and greater...
    on Sep 9, 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

  • Blog Post: A man and his R2D2

    Kristina Arnold
    Our very own Jose Quinones, an applications engineer in our motor drive business and frequent contributor to this forum, was recently featured by EEWeb. Learn more about Jose (pictured below), including how he got his start in engineering, the hardest bug he ever fixed, what he likes to read, his favorite...
    on Jan 6, 2012

  • Forum Post: Fault and Warning Reporting and Handling in DRV8302

    Joseph Lee90700
    Dear All, I am debugging using customer board( TMS320F28035 + DRV8302 : DC bus voltage: Max 32V, Phase Current: Max 20A, RPM: Max 3000RPM, PWM= 15kHz, Servo Motor). Unfortunately we found "FAULT" signal as soon as we operated. (The signal pattern of "FAULT" pin is "...
    on Jan 16, 2012

  • Forum Post: How to calculate DC BUS capacitor at HVMotorctrl+PFC-TL

    Joseph Lee90700
    Dear All, Could you guide how to calculatre DC Bus Capacitors(C6, C7, C8, C19, C20) at circuit schematic of "High Voltage Motor Control and PFC Developers Kit(TMDSHVMTRFCKIT)? At this schematic Diagram, C6==C7==C8==C19==C20 == 330uH. The key feature of this EVM is as follows. •...
    on Jan 16, 2012

  • Forum Post: Alignment Algorithm in InstaSPIN BLDC solution

    Joseph Lee90700
    Dear All, The knowing or detection of inital position of BLDC motor in InstaSPIN BLDC solution or the existing current BLDC zero-crossing solution is very important for customer. Unfortunatly I could not find out any clues about Alignment in opened source code in Control suite. Could you guide...
    on Jan 16, 2012

  • Forum Post: Regarding DRV8432DKD motor driver

    Onkarsingh Pardeshi
    I want to use drv8432 in my project for controlling brushed dc motor. While making the pcb i didn't find the model of drv8432dkd (36 pin) in any PCB software. In the forum somewhere I found the design files you have given(5811.DRV8432DKDEVM_RevA.zip) but I am not able to open these pcb files. I tried...
    on Feb 8, 2012

  • Forum Post: DRV8412 or DRV8432

    企鵝
    Hello DRV8412/DRV8432 to driver stepper motors,microstep can reach up to? (1/128 or 1/256 or 1/512) Thank
    on Feb 27, 2012

  • Forum Post: BEMF voltage protection

    david sun77114
    Hello, I am learning to use DRV8837 to control a low voltage DC motor. if both control inputs go low, the DC motor will be in "Coast" mode. I notice from other application note(not TI) that a diode is needed to prevent damage from BEMF voltage, but I didn't find any protection in TI DRV8837...
    on Aug 7, 2012

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