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#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module
#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module
#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module
#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module
#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module
#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module

#134A Hot sale 3D printer 2oz Reprap controller board drive module A4988 stepper motor driver module

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Product Overview

Description



Product Description


 


#134A Hot sale 3D printer 2oz Reprap controller board  drvie modue A4988 stepper motor driver module


 


Product Description:


 










  • Low RDS (Open) Output

  • Automatic Current Attenuation Mode Detection/Selection

  • Mixing and Slow Current Attenuation Modes

  • Low Power Dissipative Synchronous Rectifier

  • Internal UVLO

  • Cross Current Protection

  • 3.3 and 5V compatible logic power supply

  • Overheated Switch-off Circuit

  • Grounding Short Circuit Protection

  • Loading Short Circuit Protection

  • Five optional stepping modes: full, 1/2, 1/4, 1/8 and 1/16



 



Tips:










  • 2oz means 2 ounces of process production. Measurements: Under the current with radiator 2A, it can work for a long time. It is very suitable for Mendel and Huxley machines. With the official Wiki products, 100% consistent!

  • A4988 module has completed 2oz upgrade. At present, the factory produces the second generation products. Compared with the first generation using 1oz copper process, this production uses 2oz copper, which has better heat dissipation and stronger current stability.
    Performance upgrade: PCB copper cladding process upgraded to 2oz (copper thickness 70um, ordinary 35um), higher copper content, of course, better heat dissipation performance.

  • Manufacturing process upgrade: SMT patch machine manufacturing, non-manual welding, higher yield, more stable performance


 



 


Remarks:
Reprap single nozzle printer set needs four A4988 modules.
A reprap dual nozzle printer set needs five A4988 modules.


A4988 adopts surface mounted QFN package (ES), size is 5 mm *5 mm, nominal overall package height is 0.90 mm, and with exposed heat sink to dissipate heat. The package is a lead-free package (suffix T), with 100 fog tin plated pin frame.


 


Setting up step-by-step comparison table driven by A4988:


1.jpg


 


 


Wiring schematic diagram:


2.jpg


 


 


 


 


 


 


 


 


 


 


 


 


DSC_0536_.jpg


 


 






Packaging & Shipping


zhifu


Anti-static bag individually wrapped 1piece/1 bag


 


More details,contact me freely!


 


 


package





company certificates


 


We will provide the most professional


 


and  most comprehensive services.


 


88.JPG 





FAQ


Q1. What is your terms of packing?
A: Generally, our modules are all with Anti-static bag individually wrapped,also can be accepted customized package.
Q2. What is your terms of payment?
A: Full payment. Goods would be shipped in 1-3work days after payment received, finally depends on quantities.

Q3. What is your terms of delivery?
A: Generally EXW,can be according to customer’s requests.

Q4. How about your delivery time?
A: Generally, goods would be shipped in 1-3 work days after payment received, finally depends on order quantities.

Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.




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