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  • RE: DRV10964: Controller frequency

    Hi, Manu Balakrishnan said: It is typically a very low frequency like 1/10th of electrical frequency or less depending on the system. Manu's comment here on the frequency of the control loop frequency still holds good, say your electrical frequency is …
    • Answered

  • DRV10964: FG Pin Function

    Resolved
    Part Number: DRV10964 Tool/software: Hi - Looking for FG pin functionality clarification. During normal closed-loop operation, does FG pin give immediate feedback on rotation speed? Or does it give "target speed" feedback? Consider a load impulse…
    • Resolved
    • Answered

  • DRV10964: Reducing start up time

    Resolved
    Part Number: DRV10964 Other Parts Discussed in Thread: MCF8315C , DRV10983-Q1 Tool/software: Hi - I understand motor needs to follow defined initialization and motor start-up sequence procedure in Figure 14 in datasheet. Customer wants to reduce time to…
    • Resolved

  • RE: DRV10964: Old Thread got Locked... Maxon EC 9.2 starts for a few steps but stops and goes to lock.

    Hi Thomas, Open loop run is not reliable always and not efficient. Close Loop can monitor for motor stall state. For such applications it will be better to use DRV10975, DRV10983Q1, MCF8315A/C etc. In this we will program the parameters (R, L, KE) to…

  • RE: DRV10964: Maxon EC 9.2 starts for a few steps but stops and goes to lock

    Hi Thomas, I am out of office since week, I will go through your updates and reply to you by this week end. Thanks and Best Regards, Venkatadri S

  • RE: DRV10964: Request a schematic review of the schematics around DRV10964

    I will close this for now, since I haven't heard a response back. If you want a follow-up, please feel free to create a new thread by clicking "Ask a related question" button located on top right of this page.

  • RE: DRV10964: Keeping the motor spinning

    Hi Jens van zon, DRV10964 measures Rm and Kt during startup and we cannot program this. Please ignore my explanation about programming Kt/Rm as this is not applicable for this device. Hand off speed is determined through experiment. The higher speed motors…

  • RE: DRV10964: When power on and fan auto speed up?

    Hi Jimmy Wang, Please confirm if this data sheet information clarifies that Duty should be > 0% and less than 100% . Device requires an edge transition. Thanks and Best Regards, Venkatadri S

  • DRV10964: DRV10964 for the motor with a common

    TI Thinks Resolved
    Part Number: DRV10964 It is my understanding that the DRV10964 does not have a common pin. How should the common be handled when rotating a motor with a common? Is there a virtual COM inside the IC?

  • RE: DRV10964: About FG timing qestion

    I will close this for now, since I haven't heard a response back. If you want a follow-up, please feel free to create a new thread by clicking "Ask a related question" button located on top right of this page.

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