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  • DRV8811: DRV8811 Chip Failure

    Resolved
    Part Number: DRV8811 Hi, We are having a DRV8811 based PCB that driving a stepper motor which is used to control valve movement. Recently we are seeing some PCB failures. After some debugging and it is found the DRV8811 has been failed due to some reason…
    • Resolved
    • Answered

  • RE: DRV8811: DRV8811 - COIL A stops working during operation

    Resolved
    Vito, OK, mystery solved...pictures help to clear the confusion. The original LTC you listed in your email was the following: Vito Caporusso said: 78TG5 ANJO = Appear to function correctly That "O" is actually a "Q" per the picture you just attached and…

  • DRV8811: peak current difference between AOUT and BOUT

    Part Number: DRV8811 HI Expert, My customer find the peak current on both AOUT and BOUT. 1. Could you please let me know the reason of this peak current? 2. Also, could you please let me know the reason of difference peak current between AOUT and BOUT…
    • Answered

  • DRV8818EVM: replace DRV8818 with DRV8811

    Resolved
    Part Number: DRV8818EVM Other Parts Discussed in Thread: DRV8811EVM , DRV8811 , , DRV8818 Hi team, My customer needs DRV8811EVM for evaluation, but cannot find any stock from TI or disty. Can we use DRV8818EVM? It seems possible if we replace DRV8818 chip…
    • Resolved

  • DRV8811: Different current between AOUT and BOUT

    Part Number: DRV8811 Hi expert, Could please give me your advice for root cause of the following difference between AOUT and BOUT current. -In the waveform, the current is insufficient on the High current side, and it should be 0A on the Low current…

  • DRV8811: UVLO Minimum value

    TI Thinks Resolved
    Part Number: DRV8811 Hi Expert, VM UVLO for rising is 6.7V(typ) and 8.0V(max) from datasheet. Could you please let me know the VM UVLO value for falling ? Is it same value? Also, please let me know the minimum value. (There is no problem with reference…

  • DRV8811: DRV8811

    TI Thinks Resolved
    Part Number: DRV8811 Hi Sir, Customer asked if DRV8811 has similar data as below, DRV8811 will replace Allergo but need data as below, Thanks, Ian.
    • Answered

  • DRV8811: Indexer

    Resolved
    Part Number: DRV8811 Hi Expert, The step angle of the step#2 for 1/8step is 11.325 in datasheet table2 . Is it typo? I think, it is 11.25 from around values. Also, which is correct actual behavior? 1) Actually, outputs will be set Aout=98% and Bout=20…
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    • Answered

  • DRV8811: Rx/Cx value in recommended operating conditions.

    Resolved
    Part Number: DRV8811 Hi team, The Rx/Cx added in recommended operating conditions when the datasheet has been modified with revJ. What's wrong with using values outside this range? My customer used Rx=8.2kΩ, Cx=2200pF. Sincerely. Kengo.
    • Resolved

  • DRV8811: DRV8811 drive motor appear speed too fast

    Part Number: DRV8811 dear My customer fihd that DRV8811 drive motor appear speed too fast,phenomenon just show below picture note: 频率 means frequency It appears sometimes ，about probability of 1/15 AOU1 AOUT2 BOUT1 BOUT2 wave shows as above picture 1…

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