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  • DRV10970EVM: Rotational speed difference depending on direction (FR) in DRV10970EVM driver

    Resolved
    Part Number: DRV10970EVM Hi Team, I'm driving a BLDC motor with a DRV140970EVM. When FR=1, the motor rotational speed at a max of 6800 rpm. When FR=0, the motor rotational speed at a max of 6000 rpm. What is the reason of this?
    • Resolved

  • DRV10970EVM: DRV10970EVM

    TI Thinks Resolved
    Part Number: DRV10970EVM Other Parts Discussed in Thread: MCT8316ZTEVM Hello Team, we are experiencing shortage issue for this item since last one month. We need this item for our project. So kindly let us know when it can be available.
    • Answered

  • DRV10970: DRV10970 & DRV10970EVM reverse direction consumption increase and speed decrease

    Resolved
    Part Number: DRV10970 Hi dear supporters We are using DRV10970 motor driver IC and its EVM board. But we are facing with a problem about direction changing feature. On the other hand we are using Faulhaber 2214 BLDC motor in our setup. When we are reversing…
    • Resolved

  • DRV10970EVM: DRV10970 RPM stability

    TI Thinks Resolved
    Part Number: DRV10970EVM Other Parts Discussed in Thread: DRV10970 HI WE have a costumer that needs a driver for a small BLDC motor. WE have acquired your DRV10970 EVM board with DRV10970 drver that fits the specification. The settings used on EVM boards…
    • Answered

  • DRV10970EVM: no 5V VINT on the board

    Resolved
    Part Number: DRV10970EVM Other Parts Discussed in Thread: DRV10970 Good Morning, I have the same problem that was reported in the related question. Problem can be solved only if I provide an initial voltage <9V (when I turn on switch S1 VINT correctly…
    • Resolved

  • DRV10970EVM: It is abnormal switching issue

    Part Number: DRV10970EVM Hi My customer operated BLDC motor using to DRV10970EVM . BLDC Motor Performance (10Vdc ref): – Rated load (gear motor): 1.4 – 3.0 Kgf-cm (~ 0.14 – 0.30 Nm) – Rated load speed (gear motor): around 60 – 70 rpm – Rated load…

  • RE: DRV10970EVM: Motor running at single speed, PWM control input has no influence

    Matt, Thank you for pointing me to the resistor on the CS pin, there wasn't any documentation about it in the Evaluation Board manual, but the driver datasheet explained it. After putting a 0-Ohm in it's place, I was able to get the motor to react to…
    • Answered

  • DRV10970EVM: Issues controlling a motor with this EVM

    Resolved
    Part Number: DRV10970EVM Other Parts Discussed in Thread: DRV10970 , Hi Everyone, Initially, I was able to get the DRV10970 EVM to spin a brushless motor. Unfortunately, it no longer drives the motor and no longer illuminates the locked rotor LED. …
    • Resolved
    • Answered

  • DRV10970EVM: Geting higher current/torque

    Resolved
    Part Number: DRV10970EVM Other Parts Discussed in Thread: DRV10970 , DRV8306EVM Hello, I have an DRV109070EVM Evaluation Module here to drive an DF45M024053-A2 Brushless Motor from Nanotec. The motors main datas are: rated valtage: 24V, rated current…
    • Resolved
    • Answered

  • RE: DRV10970EVM: How to determine the zero crossing degree

    Resolved
    Michael, Thanks for the information. I read through it and it seems to be very straight forward, I'll try to follow the steps with oscilloscope and identified the phases and Hall placement. Thanks,

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