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  • RE: DRV8870EVM: Issue with max allowable current

    Hi Ibram, This appears to be a thermal shutdown issue.The image shows no current for almost 90ms. The overtemperature circuit would cause this. If you are using the DRV8870EVM with a 150mOhm resistor, the current appears to be approaching 3.5A.…
    • Answered

  • DRV8870: Analysis of periodic fluctuation of motor current

    Resolved
    Part Number: DRV8870 Hi all， I'm a FAE of TI. When I tested with drv8870evm, I encountered a problem and wanted to get your answer. When the motor is unloaded, we find that the motor current will fluctuate periodically. What is the reason? By…
    • Resolved

  • RE: DRV8870: MOTOR Can not workable

    Hi Angus, Have you taken a look at the the power supply voltage (VM)? If the motor tries to draw more than 2A (power supply limit), it will cause the power supply voltage to drop which may cause an under-voltage lockout fault (UVLO). A UVLO fault will…
    • Answered

  • RE: DRV8870: Jittered Output and Lower Output Voltage

    Resolved
    Hi Hector, I have a couple questions: Are you using the TI DRV8870EVM or your own board when you took these measurements? If you are using your own board, are you able to share the schematic and layout of the board (you can send it via private…
    • Answered

  • DRV8870 EVM Schematics

    Resolved
    Other Parts Discussed in Thread: DRV8870EVM Hello, Could you please share the DRV8870EVM schematics? I couldn't find the DRV8870EVM scehmatics in the User Guide. Best Regards, Ryuji Asaka
    • Resolved

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