KEYES A4988 Stepper Motor Driver Module for RepRap 3D Printer (4PCS)

KEYES A4988 Stepper Motor Driver Module w/ Heatsink for RepRap 3D Printer - Red + Silver (4pcs)

SKU: 396136 (Added on -)
KEYES A4988 Stepper Motor Driver Module for RepRap 3D Printer (4PCS)
This SKU 396136 is available in DXSOUL with Free Expedited delivery. DXSOUL: 901396136
A4988 is a complete microstepping motor driver with built-in translator for easy operation. The product is available in full, half , 1/4, 1 / 8 and 1 /16 step mode to operate bipolar stepper motors of an output drive capability of up to 35 V and ± 2 A. A4988 includes a fixed off-time current regulator, the regulator can operate in slow or mixed decay modes. Converter is easy to implement key for A4988. Just enter a pulse in the "step" input drives the motor to produce micro-step. Without the need for phase sequence tables, high frequency control lines, or complex interfaces to program. A4988 interface is ideal for complex microprocessor is unavailable or overloaded applications.  

In the micro-step operation, the chopper control A4988 automatically selects within the current decay mode ( slow or mixed ). In mixed decay mode, the device is initially set to a fixed part of the rapid decay in downtime and slow decay for the remainder of downtime. Mixed decay current control scheme results in reduced audible motor noise, increased step accuracy, and reduced power consumption. Internal synchronous rectification control circuitry provides 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. No need special power sequencing.

A4988 uses surface mount QFN package (ES), size of 5 mm x 5 mm, containing a radiator on the surface layer, with exposed pad for enhanced thermal dissipation. This package is Pb-free ( suffix -T), with 100% matte tin leadframe plating.

General
BrandKEYES
ModelN/A
Quantity4Piece
ColorRed + Silver + Multi-Colored
MaterialFR4
Specification
English Manual / SpecYes
Download Link http://pan.baidu.com/s/1hqIn3Ju
Dimensions & Weight
Dimensions 0.83 in x 0.67 in x 0.63 in (2.1 cm x 1.7 cm x 1.6 cm)
Weight 0.46 oz (13 g)
Packing List
4 x Modules
4 x Heatsinks

All packages from DX.com are sent without DX logo or any information indicating DX.com. Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

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Quantity 3+ units 5+ units 10+ units
Rate US$6.60 shipped US$6.57 shipped US$6.55 shipped

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  • 9854416 Post on 7/4/2016

    Comprado desde Chile. Se demoró poco mas de un mes en llegar. Buena calidad de producto, llegó rápido y en buenas condiciones. Simplemente agradecido. Pros: buena calidad, en relación al precio está excelente. Gracias DX!

    Impression:Muy bueno, Wow, gracias

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  • 9854416 Post on 6/22/2016

    Comprado desde Chile. Se demoró poco mas de un mes en llegar. Buena calidad de producto, llegó rápido y en buenas condiciones. Simplemente agradecido. Pros: buena calidad, en relación al precio está excelente. Gracias DX!

    Impression:Wow, gracias , pequeño poderoso

    0 0 0
  • JGFSala Post on 12/8/2015

    Pros, es facil de utilizar y viene muy bien empaquetado para que no se dañen las patitas, muchas gracias

    Impression:Muy bueno

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Most Helpful Reviews

  • 9854416 Post on 7/4/2016

    Comprado desde Chile. Se demoró poco mas de un mes en llegar. Buena calidad de producto, llegó rápido y en buenas condiciones. Pros: en... Read more

    Impression:Muy bueno, Wow, gracias

    0 0 0
  • 9854416 Post on 6/22/2016

    Comprado desde Chile. Se demoró poco mas de un mes en llegar. Buena calidad de producto, llegó rápido y en buenas condiciones. Pros: en... Read more

    Impression:Wow, gracias , pequeño poderoso

    0 0 0
  • JGFSala Post on 12/8/2015

    Pros, es facil de utilizar y viene muy bien empaquetado para que no se dañen las patitas, muchas gracias

    Impression:Muy bueno

    0 0 0

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