Message Edited by Alban on 2007-03-02 10:31 PM
Message Edited by rocco on 2007-03-0202:49 PM
Message Edited by saravanan_TTL on 2007-03-0305:36 AM
Thank you for your reply,As per my data I made a mistake regarding effective working angle(which i said 80 degree)which is worng. In our stepper motor between shaft and outter shaft there is a reduction gear ratio.The ratio is not known to us. The 80 deg. figure is the total movement after the reduction gearbox.
Plz consider our requirment 400 steps per second maximum step rate that we may need to reach.and we need to drive the motor from a voltage source varying from 16 to 28.5 volt. Maximum current per winding is between 1.5 to 2 amps in normal condition.
Kindly suggest any suitable driver IC fo r this purpose
the specification of the stepper motor is as follows:-
1. The number of phases : 4
2. Resolution :1.8 degree
3. Angle error : <5 (less the 5%)
4. Rated winding current: 1.5A
5. Winding resistance : 5.7 ohms
6. Inductance: 19 mH/Phase
7. Rotor inertia: About 0.23 Kg.cm2
8. coil insulation class: class H
9. Insulation resistance: 500 M ohms
Kindly treat this specification as the final one.Thanking you.
Message Edited by bigmac on 2007-03-0609:37 PM