driver for 6A bipolar stepper motor with 4 wires

[sankposh]

suggest some circuit for 4 wire bipolar stepper motor

 

[chaitanya2k6er]

I feel this would be helpful to you
**broken link removed**

 

[alexan_e]

You can use 2 of these PocketMagic » A simple H-Bridge design
You can control it using 4 wires.

Alex

 

[sankposh]

My Bipolar stepper motor is of rating
Rated Current 6A
Rated Voltage 4.8v
Step angle 1.8
Number of phase 2
Holding torque 22Nm
Weight 8.6Kg
Iam using a Gear Box of ratio 1:20
So at the output iam getting a final torque 44Nm
i want lift a barrier arm of 3m length and around 10 Kg weight
suggest me a bipolar stepper driver circuit which would be applicable for my project