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Relative to the 4988 features:

1. The maximum current is 2.5A.

2, the highest support for 32 subdivisions.

3, 4 layer PCB board, better heat dissipation performance.

4, the chip internal resistance is smaller, lower heat, better heat dissipation.

parameter:

Size: 1.5mmX2mm (same as 4988)

Driven current: 2.5A

Subdivision: 1, 1/2, 1/4, 1/8, 1/16, 1/32

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

Suitable for:

Need to drive the stepper motor.

It is a necessary module for building 3d printers, cnc, engraving machines, etc.

Supported 3d printers are Prusa Mendel, ultimaker, printbot, makerbot and so on.

Can refer to the following code to directly drive the motor

The DRV8825 features the following:

1. It is suitable for driving stepper motors up to 8.2V~45V 2.5A;

2, only simple step and direction control interface;

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

4. The adjustable potentiometer can adjust the maximum current output to obtain a higher step rate;

5. Automatic current decay mode detection/selection;

6, overheat shutdown circuit, undervoltage lockout, cross current protection;

7, ground short circuit protection and load short circuit protection

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