Stepper Driver ST-7128


This bipolar stepper motor driver is builded with THB7128 IC, the Max output current is 3.0A with 8 current options, and the microstep resolution can reach huge 128(25600 steps/rev). This low cost high subdivision stepper motor driver can cover most of Nema 11 to Nema 23 stepper motors which Rated Current below 3.0A.

  • 10-32VDC Driving voltage.
  • 8 current options with Max. 3A.
  • Microstep resolution from 1 to 128 with 8 options.
  • H-bridge Bipolar constant current drive.
  • Optically isolated signal input / output.
  • Standard common anode single pulse interface.
  • Off-line protection function.
  • Semi-closed housing to adapt harsh working condition.
  • Automatic semi-flow lock function.

Electrical specification

Input Voltage

10V-32VDC, Recommend DC24V

Output Current

Peak Current 3A/phase, 8 Options available

Driving Mode

Constant current PWM Control

Exciting Mode

1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128

Dimensions

>100M

Physical specification

Cooling Model

Natural Cooling

Condition

Avoid dust, oil mist and corrosive gas

Humidity

<80%RH No coagulate frost, no frost

Temperature

0°C~+50°C

Vibration

5.9m/s2 MAX

Storage Temperature

-20°C~+65°C

Size

116×76×26 mm

Weight

0.3Kg


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