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  • DRV8308: VM Overvoltage Protection VMOV

    TI Thinks Resolved
    Part Number: DRV8308 Tool/software: Hi Sir/Madam, In the DRV8308 datasheet, 7.3.13.2 VMOV session, "In some cases, if synchronous rectification is used, energy from the mechanical system can be forced back into the VM power supply.", "In the event…
    • Answered

  • DRV8308: CP fail

    Resolved
    Part Number: DRV8308 Hi, all We are working on the project using drv8308. I'm testing the board I designed. The motor works well, but reading the motor register confirms the CP fault. 1uf-25V capacitor between VCP (28) and VM (27) Does changing the…
    • Resolved
    • Answered

  • DRV8308: Motor Driver Parts Recommendation Inquiry

    Resolved
    Part Number: DRV8308 Other Parts Discussed in Thread: DRV832X , DRV8306 , MCF8329A , MCT8329A Tool/software: Hi, TI expert The customer used to use DRV8308(TI) part on the board applied to ATMs(Automated Teller Machines), but due to delivery issues…
    • Resolved
    • Answered

  • DRV8308: drv8308 Rest pin 3.3V for 100ms applied without VM voltage

    Resolved
    Part Number: DRV8308 Hi team, Use of TI brushless DC motor driver DRV8308RHAR I am contacting you regarding a matter that I would like to confirm. In the high-impedance state where the power supply voltage is not input to the VM pin, There is a mode…
    • Resolved

  • DRV8308: How to implement the DRV8308 with three Modes of operation in TM4C129XNCZAD MCU

    TI Thinks Resolved
    Part Number: DRV8308 Other Parts Discussed in Thread: TM4C129XNCZAD Hi, I am working on DRV8308 with tm4c129xnczad mcu, I want to implement the code for three modes of operation in tm4c129xnczad microcontroller, The three modes like Clock frequency…

  • DRV8308: Varying Torque causing overshoot

    Part Number: DRV8308 Other Parts Discussed in Thread: MCF8329A Hi All, Please find attached a mapping of all registers. My setup consists of the DRV8308 device driving a 450W motor at ~4000RPM on a battery driven system with nominal voltage of 25.6V…

  • DRV8308: speed control

    TI Thinks Resolved
    Part Number: DRV8308 Hi Team, Use CLKIN signal frequency mode. When the speed is closed, the customer would like to control the speed of the motor by changing the size of the frequency, but the speed of the motor will become a jerkic change, which is…

  • DRV8308: Requirement of minimum RESET period

    Part Number: DRV8308 Hi team, my customer is want to konw required min REST period, please let me know. This seems not described at datasheet, and customer experienced that writing data is invalidated ("0"), when reading at the following procedure…
    • Answered

  • DRV8308: Motor drivers forum

    Resolved
    Part Number: DRV8308 Other Parts Discussed in Thread: TM4C129XNCZAD , Hi, I am working on DRV8308 with tm4c129xnczad mcu, I want to implement the code for three modes of operation in tm4c129xnczad microcontroller, The three modes like Clock frequency…
    • Resolved
    • Answered

  • DRV8308: Accuracy of FGOUT

    Resolved
    Part Number: DRV8308 Using 8308 to drive the motor and AEDR-9930 encoder to collect speed values with an error of 0.08%, while using FGOUT signal to calculate speed error of 1.5%. What is the reason and what is the…
    • Resolved

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