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1. Introduction, Features and Applications
Introduction
The M325 is a very small size high performance microstepping driver based on one of the most
advanced technologies in the world today. It's suitable for driving any 2-phase and 4-phase hybrid
stepping motors. By using advanced bipolar constant-current chopping technique, it can output
more speed and power from the same motor, compared with traditional drivers such as L/R drivers.
Its 3-state current control technology allows coil currents to be well controlled with relatively
smaller current ripple, therefore less motor heating is achieved.
Features
l High performance
l Low cost
l Supply voltage up to +24VDC
l Output current up to 2.5A
l Pulse frequency up to 100 KHz
l Input signals TTL compatible and optically
isolated
l Automatic idle-current reduction
Applications
Suitable for a wide range of stepping motors from NEMA size 14 to 23, which used in various kinds
of machines, such as X-Y tables, labeling machines, laser cutters, engraving machines, pick-place
devices, and etc. It's specially adapted to the applications desired with low vibration, high speed and
high precision.
2. Specifications
Electrical Specifications (T
25℃)
j =
Parameters
Peak output current
Supply voltage
Logic signal current
Pulse input frequency
Isolation resistance
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雷赛智能官方代理：雷创智能科技
M325 Micro Microstepping Driver Manual V2.0
l 3-state current control technology for less
motor heating
l 4 selectable microstep resolutions: 1, 2, 4, 8
l PUL/DIR & CW/CCW mode optional
l Suitable for 2-phase and 4-phase motors
l DIP switch current setting with 7 different
values
l Small size: 86*55*20mm
M325
Min.
Typical
Max.
0.39
-
2.5
+12
-
+24
7
10
16
0
-
100
500
-
-
1
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Operating Environment and Other Specifications
Cooling
Operating
Environment
Storage Temperature
Weight
Mechanical Specifications (unit=mm, 1 inch=25.4 mm)
Elimination of Heat
Unit
l
Driver's reliable working temperature should be <65 , motor work
Amps
<80 ;
℃
VDC
l
Recommend use automatic half-current mode, namely current automatically be reduced to 60%
mA
when motor stops, so as to decrease driver heating and motor heating;
KHz
l
Recommend use side mounting to maximize heatsink area.
MΩ
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www.leadtronker.com
M325 Micro Microstepping Driver Manual V2.0
Natural Cooling or forced cooling
Avoid dust, oil fog and corrosive gases
Environment
Ambient Temperature
Humidity
Operating Temperature
Vibration
-20 ℃ － 65℃
Approx. 150 gram (5.3 oz)
Figure 1: Mechanical dimensions
*Recommend use side mounting for better heat dissipation
℃
2
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0 ℃ － 50℃
40%RH － 90%RH
70
℃
Max
2
5.9m/s
Max
ing temperature should be
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