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  • DRV8885: setting M0 and M1 about DRV8885

    TI Thinks Resolved
    Part Number: DRV8885 About setting of M0 and M1, Are there any restrictions when switching settings during operation? For example, Non-Circular 1/2→1/2 step→Non-Circular 1/2 Regards,

  • DRV8885: Weird sound when motor stopped

    Part Number: DRV8885 Hi team, My customer will use DRV8885 and he provided a question. When the motor comes to a stop, a weird sound is heard. In this case, standby and enable are left active. Above weird sound can be disappeared when current setting…
    • Answered

  • DRV8885: About PWM off time

    Resolved
    Part Number: DRV8885 Hi, Could you tell me the maximum and minimum value of toff time？ Customers want to know the operating frequency of the timing at which the Itrip is repeated. We are trying to calculate from the following formula. Fsw=1/(Tdrive+Toff) …
    • Resolved

  • DRV8885: How to use PWM to adjust the chopping current?

    TI Thinks Resolved
    Part Number: DRV8885 Hi team, Could you please help to share how to use the PWM signal to control the chopping current in DRV8885? Should we calculate the Voltage on the C1 and then use the equation 2? Could you share the details calculation of Vc1? …
    • Answered

  • DRV8885: About RDS(ON) measurement method

    Resolved
    Part Number: DRV8885 Hi, Customers want to measure the RDS(ON) resistance of DRV8885. Could you tell me how to measure ON resistance of high side FET and low side FET？ And Please tell me the measurement system and simple block diagram. Best Regards, Yusuke …
    • Resolved
    • Answered

  • DRV8885: Bypass capacitor capacity

    Resolved
    Part Number: DRV8885 Other Parts Discussed in Thread: DRV8812 , DRV8824 When the bypass capacitor capacity is increased, step-out occurs. Please tell me the mechanism. What percentage is acceptable from 0.01uF? ask.xlsx
    • Resolved

  • DRV8885: DVDD and AVDD capacitance requirement that include DC bias

    TI Thinks Resolved
    Part Number: DRV8885 Hi, Could you please let me know the minimum recommendation for DVDD and AVDD capacitance that include DC bias spec? Datasheet description : Bypass to GND with a X5R or X7R, 0.47-μF, 6.3-V ceramic capacitor. Thanks Muk
    • Answered

  • DRV8885: Itrip

    Resolved
    Part Number: DRV8885 Hi team，my customer is using DRV8885.I have some question. For the current trip accuracy, what means" IRREF = 1.0 A, 20% to 63% current setting, 1% reference resistor,–12.5% 12.5%" Does it mean that, for example, you…
    • Resolved

  • DRV8885: at VM=0V, leakage current from control pin to VM.

    TI Thinks Resolved
    Part Number: DRV8885 Hi My customer have some questions regarding Leakage current from control pin to VM at VM=0V. I found the following E2E session. I have additional questions. 1. At VM=0V and control pins (nSLEEP, Enable, STEP, DIR ) = 3.3V, Does…

  • DRV8885: how to use RREF

    TI Thinks Resolved
    Part Number: DRV8885 What happens if a DAC voltage higher than VREF is input to the RREF pin? Will an IC failure occur?or Just doesn't work?

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