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  • DRV8818: Problem with the DRV8818

    Part Number: DRV8818 Tool/software: Hello, I’m trying to drive a bipolar stepper motor with a DRV8818 using STEP/DIR from an ESP32-C6-DevKitC-1 . I’ve attached my schematic and can also share the minimal firmware if useful. Setup MCU / FW: ESP32…
    • Answered

  • DRV8818: low current issue of bridge A

    Resolved
    Part Number: DRV8818 Other Parts Discussed in Thread: DRV8434 , DRV8825 , DRV8424 Tool/software: Hi Team, There is low current issue of bridge A on customer's board with DRV8818. They are verifying DRV8818 under condition of 1000pps to 5500pps, but…
    • Resolved
    • Answered

  • DRV8818: ESD standard

    Resolved
    Part Number: DRV8818 Hi, team: Could you help check the DRV8818PWPR ESD standard, thanks.
    • Resolved

  • DRV8818: After running on power for a few seconds, the motor stopped moving and the MCU may be damaged

    Part Number: DRV8818 Tool/software: After powering on the PCBA, the vref is adjusted to 1.6V and the output current is limited to 2A. After burning the firmware, the FW controls the motor to move continuously, but in reality, the stepper motor stops moving…

  • DRV8818: Current waveform distortion

    Part Number: DRV8818 Hi E2E, We use DRV8818 to drive a motor motion. 8 Subdivision, the pulse frequency is 18K, the current waveform distortion appears. how to adjust and modify it? In addition, When the motor at high speed, the peak current…
    • Answered

  • DRV8818: step input and output

    Resolved
    Part Number: DRV8818 Hi, all I try to control the step motor using drv8818. Question 1. - When I put pulse on the STEP input pin, do I have to give it at 5V? - It is currently connected to ST company's MCU pin, and the corresponding MCU VCC is…
    • Resolved

  • DRV8818: The enable pin is pulled low

    Part Number: DRV8818 Hi Team, Customer pulls the ENABLE pin of DRV8818 low in their circuit design. After powered up, when testing the VM (24V) and ENABLE pin power sequencing, the ENABLE pin was found to be pulled high to 1.5 V for 2s and then pulled…

  • DRV8818EVM: How to tune the output current of DRV8818

    Part Number: DRV8818EVM Hi team, My customer is using the DRV8818EVM to do evaluation. They have found one issue when using, The output current they need is 1.7A. According to the formula, the reference voltage should be set to 1.3V. But in real test…
    • Answered

  • DRV8818: DRV8818 First step after crossing zero has current oscillation

    Resolved
    Part Number: DRV8818 Other Parts Discussed in Thread: DRV8424 I am testing the TI DRV8818PWP as a replacement for an Allegro A5977. An observation has been made that the first step after crossing zero A has a current oscillation that it not present with…
    • Resolved
    • Answered

  • DRV8818: Noise problem

    Resolved
    Part Number: DRV8818 Other Parts Discussed in Thread: DRV8880 , DRV8462 , DRV8434A , DRV8434 , DRV8434S , DRV8452 , DRV8426 Hi， Problem description： The client has been using a DRV8818 chip to drive a stepper motor to control the vertical direction…
    • Resolved

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