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Nema 23 Stepper Motor Drive 24-50VDC 1.5A-4.5A 256 Microstep M542T

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The M542T is a high performance micro stepping driver based on pure-sinusoidal current control technology. Owing to the above technology and the self-adjustment technology (self-adjust current control parameters) according to different motors, the driven motors can run with smaller noise, lower heating, smoother movement and have better performances at higher speed than most of the drivers in the markets. It is suitable for driving 2-phase and 4-phase hybrid stepping motors.

Key Features

  • High performance,cost-effective
  • Supply voltage up to 50DC
  • Output current up to 4.5A
  • Self-adjustment technology
  • Pure-sinusoidal current control technology
  • Pulse input frequency up to 300 KHz
  • TTL compatible and optically isolated input
  • Automatic idle-current reduction
  • 16 selectable resolutions in decimal and binary, up to 51,200 steps/rev
  • Suitable for 2-phase and 4-phase motors
  • Short-voltage, over-voltage, over-current protections

Electrical Specifications:

  • Output Peak Current: 1.5~4.5A (3.0 RMS)
  • Input Voltage: +24~50VDC (Typical 36VDC)
  • Logic Signal Current: 7~16mA (Typical 10mA)
  • Pulse Input Frequency: 0~300kHz
  • Isolation Resistance: 500MΩ

Operating Environment and other Specifications(Tj = 25℃/77℉):

  • Cooling: Natural Cooling or Forced cooling
  • Environment: Avoid dust, oil fog and corrosive gases
  • Ambient Temperature: 0℃ - 50℃
  • Humidity: 40%RH-90%RH
  • Operating Temperature:70℃ MAX
  • Vibration: 5.9m/s2 Max
  • Storage Temperature: -20℃ - 65℃
  • Weight: Approx.290g (10.23oz)


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Stepper Driver Specification
Driving Voltage(V) 24 - 50
Output Current(A) 1.5 - 4.5
Microstep(Steps/rev.) 400 - 51200
Max. Pulse Input(kHZ) 300
Pulse Width(μs) 1.5
Physical Specification
Weight(g) 290

abobaker.saed – 16 Mar 2018

professional customer service, will be back soon

calarice – 25 Nov 2016

I am using 3 of these drivers to run my 566oz-inch stepper motors with a 24v power supply and am achieving 60ipm on a 5mm pitch ballscrew. I would buy this again

Kyle S. – 04 Sep 2016

Works and it's easy to use with a Raspberry Pi as the PWM driver. I'm guessing people who are having problems with it either don't know what they're doing or just got a bad unit. I haven't had any problems.

Netwalker – 24 Mar 2016

Worked perfect for me. Tied pul - & dir - to ground & left enable - unconnected per the online documentation. Micro stepping seems good. For testing I was able to drive a nema 23 stepper up to 3500 rpm in series parallel (using 2x micro @ 24khz and 48volt) with an arduino. All units came sealed with QC stickers on them (fwiw). If they last for the long haul I honestly don't know how you could do better than this driver.
These drivers are still working great after 6 months of pretty intensive hobby use on a 2'x4' cnc router table.

B L – 13 Nov 2015

Good stepper motor driver. Has been installed and operating without any glitches. Standard wiring and configuration. Seems like a good purchase.

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