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  • TMS320F28031: Question about the initialization time of SCI

    Resolved
    Part Number: TMS320F28031 Other Parts Discussed in Thread: UNIFLASH , Dear team: My customer burned the same program into two chips of the same model(PCB is also the same) with the uniflash of the same computer , he used an oscilloscope to check the status…
    • Resolved
    • Answered

  • TMS320F28031: Control DC Current in FOC

    Resolved
    Part Number: TMS320F28031 Hi All, Phase currents can be controlled in FOC. but how to control the DC Current. i have a requirement to control Speed of the motor and DC current drawing from the Battery, I have implemented Speed loop and controlling Motor…
    • Resolved

  • TMS320F28031: PMSM motor runaway in unloaded condition with FOC control

    TI Thinks Resolved
    Part Number: TMS320F28031 Hi All, We have design and developed FOC control for PMSM motor using TI Sensor-ed PMSM control guide from TI. Everything works perfect on loaded condition but when we run the motor on unloaded condition, it runs at max RPM.…

  • TMS320F28031: PMSM FOC's Torque PID output gets saturated

    TI Thinks Resolved
    Part Number: TMS320F28031 Hi, I have implemented Sensor less FOC for PMSM motor using Example codes given by TI. It is running in torque loop only, i haven't added Speed loop because i need to run the motor in torque loop only. I have implemented a MPPT…

  • TMS320F28031: Code hangs after adding a few local variables

    TI Thinks Resolved
    Part Number: TMS320F28031 After adding a function which has 2-3 local variables in main(), my code hangs somewhere but all the interrupts are working fine. i am not getting if any stack or memory issue is there than how my interrupts are working. Please…

  • TMS320F28031: Device cannot be connected after first program

    Part Number: TMS320F28031 Hi all, I am helping my customer to solve their production issue on F28031. During their latest production, they noticed most of their board cannot be connected via CCS after first time program. Even with same PC and emulator…
    • Answered

  • TMS320F28031: Possible problem if Shadow Load and EPWM1.interrupt occur at Counter = Zero

    Resolved
    Part Number: TMS320F28031 Hi Experts, I have an ADC ISR that runs at 40kHz. At the end of it, I enable an EPWM1.interrupt, wherein I calculate values for EPWM1 and EPWM2 parameters. EPWM2 is phased to EPWM1 at COUNTER = CMPB, both EPWMs use COUNT UP, Dead…
    • Resolved

  • TMS320F28031: GPIO36 is abnormal and cannot be high level.

    TI Thinks Resolved
    Part Number: TMS320F28031 Dears Problem: Due to the shortage of board resources, it is currently necessary to expand the output port. In the first test, GPIO34 was used. After checking DATASHEET, it was found that GPIO34 and GPIO37 determine the startup…

  • TMS320F28031: BLDC Motor jerking at startup on load

    TI Thinks Resolved
    Part Number: TMS320F28031 Other Parts Discussed in Thread: CONTROLSUITE We are designing bldc motor controller using TMS320F28031. When we are testing on vehicle (battery operated) we are observing jerking at initial starting condition and once vehicle…

  • CCS/TMS320F28031: C2000-GANG DSP CLOCK

    Part Number: TMS320F28031 Tool/software: Code Composer Studio Dear team, It says that "The C2000-GANG is using internal 10MHz CLK for programming - regardless your external XTAL frequency." So how could the customer change the DSP CLOCK in GUI…

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