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3D print A4988 stepper motor driver free heat sink

    3D print A4988 stepper motor driver free heat sink

    RM 39.90

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    Delivery From Kuala Lumpur
    Estimated Arrival : 1-3 working days.
    First unit : RM 10.00 
    Shipping Fee
    RM 10 by courier to Peninsular Malaysia
    RM 15 by courier to Sabah, Labuan
    RM 15 by courier to Sarawak
    Ship To : Within Malaysia
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    Product ID : 220000635
    Model / SKU : 190804075
    Conditions : New


    3D print A4988 stepper motor driver free heat sink

    3D print A4988 stepper motor driver free heat sink

     

    Overview

     

    A4988 is a complete microstepping motor driver with built-in translator for easy operation. This product is available in full, half, 1/4, 1/8 and 1/16 step modes operate bipolar stepper motors, output drive capacity of up to 35 V and ± 2 A. A4988 includes a fixed off-time current regulator, the regulator in slow or mixed decay modes. A4988 converter is the key to the easy implementation. As long as the "step" input inputting one pulse drives the motor one microstep. There are no phase sequence tables, high frequency control lines, or complex interfaces to program. A4988 interface is very suitable for complex microprocessor is unavailable or is overburdened.

    In the micro-step operation, A4988 chopping control inside automatically selects the current decay mode (Slow or Mixed). In mixed decay mode, the device is initially set to a fixed downtime in some fast decay, then the rest of the slow decay downtime. Mixed decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry is provided to improve the pulse-width modulation (PWM) operation power consumption. Internal circuit protection includes: thermal shutdown with hysteresis, undervoltage lockout (UVLO), and crossover-current protection. Special power sequencing.

    A4988 surface mount QFN package (ES), a size of 5 mm × 5 mm, nominal overall package height of 0.90 mm, with an exposed pad for enhanced thermal dissipation. This package is Pb (suffix-T), with 100% matte tin leadframe plating.

     

    Features 

     

    - Low RDS (On) Output

    - Automatic current decay mode detection / selection
    - Mix with slow current decay modes
    - Synchronous rectification for low power dissipation
    - Internal UVLO
    - Cross-current protection
    - 3.3 and 5 V compatible logic supply
    - Thermal shutdown circuitry
    - Ground fault protection
    - Load short-circuit protection
    - Optional step five modes: full, 1/2, 1/4, 1/8 and 1/16

    - Board Size : 20mm x 15mm 

    - Suitable for 8v- 35v Stepper Motor 
    - Current Maximum : 2A




    Package included : 
    - A4988 Stepper Motor Driver *1
    - Heatsink *1

    Image already added

     

     

     

     

     

     

     



    Buy with confidence
    We have 11 Good Ratings from buyers View More Rating >
    Buyer
    Item ID
    Date
    Ratings
    Sa****
    219991698
    3/1/2021 2:34:00 PM
    Gladly have stock in its store...good and responsive seller... recomended
    gi****
    219951160
    2/26/2021 5:48:00 PM
    very helpful.
    Ca****
    219944710
    2/25/2021 8:35:00 PM
    Item delivered quickly and safely. Everything works fine as intended. I can use this portable mosquito repellent mat heater anywhere as it's plugged to a power bank. Worth the purchase.
    sh****
    220019220
    2/16/2021 6:29:00 PM
    -
    en****
    220020734
    2/15/2021 1:27:00 PM
    Its a wonderful experience. Item's quality is great and delivered on time. Good job. Keep it up
    id****
    219955091
    2/9/2021 4:40:00 PM
    The product is out of stock and the seller informs us earlier and refunds immediately. Good seller.
    je****
    219957201
    2/1/2021 11:17:00 AM
    I order a wira vent n received a kamcil vent very disappointing
    He****
    219936825
    1/8/2021 3:02:00 PM
    Fast delivery, item in good condition..

    Need help? Call or Whatsapp 0125374838

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    Need help? Call or Whatsapp 0125374838

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