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Product Name: MC425 Nema17 digital driver
MC425 driver use the 32-bit DSP technology, suitable for driving 35,39,42 series motor, with excellent low-speed. Can be set within any of the 64 within the rated current and any current value, to meet the requirements of most small devices. low-speed operation is very smooth, very little noise. Can drive 4-wire, 8-wire two-phase stepper motor; voltage input range: 18V ~ 36VDC, current maximum 2.5A, resolution 0.1A, subdivision range: 400 ~ 6400ppr; signal input: single-ended, pulse / Built-in fine subdivision; anti-interference ability; with over-voltage, over-current protection, small size.



| Direction | MC425 | |||
| Minimum Value | Typical value | Maximum value | Unit | |
| Max peak current | 0.5 | - | 2.2 | A |
| Input power voltage | 18 | 24 | 36 | VDC |
| Control signal Current | 7 | 10 | 16 | mA |
| Pulse frequency | 0 | - | 75 | KHZ |
| Insulation resistance | 500 | - | - | mΩ |

1.Control signal interface
| Name | Function |
PUL | Pulse input signal |
DIR | Direction input signal, used to change the direction of motor operation, in order to ensure reliable reversing motor, the direction of the signal should be The initial direction of operation of the motor is related to the wiring of the motor windings, and the interchange of any phase winding (eg A +, A-exchange) can change the direction of the initial operation of the motor |
OPTO | Pulse / direction / enable signal power positive side, the default external 5V, such as the use of +12 V or +24 V need to connect in series resistance |
ENA | Enables the control signal, which is used to enable or disable the drive output. When the ENA is low (or internal optocoupler), the driver will cut off the current of each phase of the motor so that the motor is in a free state and does not respond to stepping pulses. When this function is not required, use the signal side to float |
2.Power interface
| Name | Function |
GND | DC power ground |
+Vdc | DC power supply is, range: 18V ~ 36V, the proposed +24 V |
A+,A- | Motor A phase winding |
B+,B+ | Motor B phase winding |

| Peak input current | SW1 | SW2 | SW3 |
0.5A | on | on | on |
0.7A | off | on | on |
1.0A | on | off | on |
1.3A | off | off | on |
1.6A | on | on | off |
1.9A | off | on | off |
2.2A | on | off | off |
2.5A | off | off | off |

| Step/turn | SW5 | SW6 |
400 | on | on |
1600 | off | on |
3200 | on | off |
6400 | off | off |



Suitable for all kinds of motion control equipment and instruments, such as: electronic processing and testing,semiconductor packaging, laser cutting and welding, laser phototypesetting, packaging machinery, engraving machines, marking machines, cutting machines, clothing plotter, CNC machine tools, automation Assembly equipment. Low noise, high-speed performance and cost-effective competition, the field of choice.
1. Are you factory?
Yes, we are facotry, and we produce stepper motor/driver, Servo motor/driver and planetary reducer for more then 10 years in China. Lichuan is our registered brand.
2. How to select models?
Before purchasing, please contact us to confirm model No. and specifications to avoid any misunderstanding.
3. How do you ship the goods?
We normally ship goods by express(DHL/UPS/FEDEX/EMS), by sea and by air, also accept customer appointed.
4. Can I test sample?
Yes, sample charged can be offered for testing.
5. Can we be agent or distributor?
Yes, welcome and we will support you.
6. Can you do OEM or ODM service?
Yes, we have R&D department and accept OEM and ODM service.
7. How about warranty?
One year warranty, technical support available, we always try our best to help customers to solve problems in time.
8. What are payment terms?
T/T(bank transfer), Paypal(0.5% paypal charges), Western Union, ALIBABA assurance order accept
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