1, maximum current 2.5A. 
2, Suppport 32 segments. 
3,4-layer PCB, cooling performance is good. 
 

Parameters: 
Size: 15mmX20mm (same as 4988) 
Drive Current: 2.5A

     Suitable for: 
1.stepper motors need to drive 
2.Essential moduleto build a 3d printer, cnc, engraving machines etc
3.Supported quite many 3d printers, such as Prusa Mendel, ultimaker, printbot, makerbot and so on.

     
DRV8825 features are the following:

1, drive stepper motor 8.2V ~ 45V and 2.5A below ;

2, simple step and direction control interface;

3, six different stepping modes: full, half, 1/4, 1/8, 1/16, 1/32;

4, adjustable potentiometer can adjust the maximum current output, resulting in higher step rate;

5, Automatic current decay mode detection / selection;

6, the thermal shutdown circuit, undervoltage lockout, crossover current protection;

7, earth fault protection and load short-circuit protection