Cost-effective Stepper Motor Controller
l Dual H-bridge, Pulse width modulated current control, chopping at 20 KHz
l TTL compatible and optically isolated input
l Max Step/rev. up to 51200
l Input Voltage 14-40 VDC
l Switch selectable motor current 0.25 – 2.0A/phase
l Over current protection
l CE compliant
Parameters |
Min. |
Typical |
Max. |
Unit |
Output Current |
0.25 |
- |
2.0 |
A |
Power Supply |
14 |
32 |
40 |
VDC |
Logic Current |
6 |
10 |
30 |
mA |
Pulse Frequency |
0 |
- |
200 |
KHz |
Pulse Active-low |
5 |
- |
- |
μs |
Isolation Resistance |
500 |
- |
- |
MΩ |
Approx. Net Weight |
- |
0.26 |
- |
Kg |
Condition |
Caution |
Avoid dust and corrosive air/oil |
Temp. |
0℃ ~ +50℃ |
|
Humidity |
Under 90% RH |
|
Vibration |
5.9m/s2 Max |
|
Storage Temperature |
-20℃ ~ +65℃ |
|
Micro-step |
Step/rev. (1.8° Motor) |
SW5 |
SW6 |
SW7 |
SW8 |
1 |
200 |
off |
off |
off |
off |
2 |
400 |
on |
on |
on |
on |
4 |
800 |
on |
off |
on |
on |
8 |
1600 |
on |
on |
off |
on |
16 |
3200 |
on |
off |
off |
on |
32 |
6400 |
on |
on |
on |
off |
64 |
12800 |
on |
off |
on |
off |
128 |
25600 |
on |
on |
off |
off |
256 |
51200 |
on |
off |
off |
off |
5 |
1000 |
off |
on |
on |
on |
10 |
2000 |
off |
off |
on |
on |
25 |
5000 |
off |
on |
off |
on |
50 |
10000 |
off |
off |
off |
on |
125 |
25000 |
off |
on |
on |
off |
250 |
50000 |
off |
off |
on |
off |
Pin |
Description |
B- |
Motor Phase B |
B+ | |
A- |
Motor Phase A |
A+ | |
DC+ |
Power Supply, +14~40VDC, including voltage fluctuation and EMF voltage. |
DC- |
Power Ground |
Ena- |
This signal is used for enabling/disabling the driver. Active-high for enabling the driver (optical-isolation is not through), Active-low for disabling the driver (optical-isolation is through). |
Ena+ | |
Dir- |
This Active-high/low signal is used for determining the rotate direction of motor. Please note that rotation direction is also related to the connection of motor wires. |
Dir+ | |
Pul- |
One step ahead when the pulse rising edge is active. Step distance is subject to the micro-step. |
Pul+ |
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12-month product warranty
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