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  • DRV8428: Fast decay mode - operation of the bridge

    Resolved
    Part Number: DRV8428 When the DRV8428 is in fast decay mode, the datasheet mentions that the opposite MOSFET's are turned on. I understand from this that the decay current does not circulate through the MOSFET body diodes like in many of other motor drivers…
    • Resolved

  • DRV8428: ST Solution replacement

    TI Thinks Resolved
    Part Number: DRV8428 Other Parts Discussed in Thread: DRV8426 , , DRV8424 Hi team: could you please help to proposal a full solution to replace ST Motor driver solution of STSPIN220 +128 KB Flash, 36 KB RAM STM32G070KB--LQFP32 7 × 7 mm, thanks very…
    • Answered

  • DRV8428: Micro stepping a Permanent Magnet Stepper Motor

    Resolved
    Part Number: DRV8428 Hi, Can this DRV8428PRTER be used for micro stepping a Permanent Magnet Stepper Motor? Will it be precise? 1) What would be the merit/demerit, if we use motor driver for micro stepping a Permanent Magnet Stepper Motor instead of Hybrid…
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    • Answered

  • DRV8428: FS current and smart tune

    Resolved
    Part Number: DRV8428 Hi team, My customer is considering to use the DRV8428P. Could you pleae help with the questions below? 1). The recommended full scale current is described 1A(max) in the d/s. Is it possible to use it for a current of about 1.2 A? …
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  • DRV8411: spec check

    Part Number: DRV8411 Other Parts Discussed in Thread: DRV8436 , DRV8428 , DRV8425 , DRV8847 , DRV8849 , DRV8845 Tool/software: Hi For the 12V stepper motor in the attached file, is there an integrated driver IC or a recommended alternative? stepping motor…
    • Answered

  • DRV8428: Fixed high for nSLEEP pin

    Resolved
    Part Number: DRV8428 Hi team, Could you give me comment on following customer question? nSLEEP can't be tied to DVDD, but other external 5V DCDC can be connected to fix the logic high. Is it correct? Q1. Can nSLEEP be directly connected to 5V DCDC…
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    • Answered

  • DRV8428: what is the leakage current at Vref pin?

    Resolved
    Part Number: DRV8428 What is the leakage current at Vref pin? My customer needs to determine the values of the voltage divider and the capacitor for PWM control. Without knowing the leakage current it is difficult to determine those components, despite…
    • Resolved

  • DRV8428: EVM : Sin waveform

    TI Thinks Resolved
    Part Number: DRV8428 Hi, This is requirement which is continued from e2e.ti.com/.../3583042 Customer evaluates the sin wave with changing DECAY/TOFF. It looks like the wave with 249kohm is closest to pure sin wave. But it still has flat at zero cross.…
    • Answered

  • DRV8428: Reversal each 128 steps

    Resolved
    Part Number: DRV8428 Hello Guys, Good day. Our customer is driving a PKP213D05 Oriental Motor with minimal load. 128 microstepping and 10us pulse length. He can repeatably do 360 degrees with no lost steps. Yet when he slowmo, he sees a brief reversal…
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    • Answered

  • DRV8428: Motor oscillation

    Resolved
    Part Number: DRV8428 Motor oscillates instead of maintaining DIR and driver and motor get hot. DIR scopes constant during step pulsing I have: VRef 1.27v (R = 100K) SLEEP and EN/FAULT tied together VM = 24v tried all HI LO HIZ settings for M0 M1 used…
    • Resolved

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