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SI 7300 Stepper motor driver Circuit

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cation007

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si-7300

I have a stepper motor salvaged from a printer. I can see that it draws 1.3A/ph. I also salvaged SI 7300 chips from it.
I am trying to drive the motor with that chip, but fail to do so...
I dunno y. The power supply to the chip was 12V 3A.
I want to know wheter this didnt work coz of this low voltage!

I am sure that both motor and the driver chip works!

Can somebody Plz help me!
r does someone have the circuit which uses 7300 ??

Thanks in advance!
 

sawwa7

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si 7300

hi
hope this may help u :)
Kind Regards
 

cation007

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si-7300a

Hey.
this is wat i exactly did.
I used 12V 3A for Vcc1 and 5V for Vcc2.
And i excited the pins 4,10,6,12 by connecting them to 5V (for testing)
But didnt work! I mean i cudnt feel them with the pins 15, 5, 7, 17, 9, 11

Have you worked with this chip before ??
 

sawwa7

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stepper motor driver circuit

hi
i'm sorry that i didn't work with stepper before , it's out of field :(
i've slavaged a stepper motor with it's driver chip from an epson printer too for testing but didn't have enough time for that .
may be later and one more thing i'd like to let u know .. i think u are posting in the wrong section .
most of the guys come here for repair topics and problem , so i think if u tried another sauitable section , u may got better respose
good luck
Kind Regards

Added after 34 minutes:

hi again
i thinks the best forum u can search for ur problem is :

Professional Hardware and Electronics Design

in this section u may find more response and good information , just use "stepper" and u will got many information and discussion with very good web links and here's some examples :

















hope this may help u :)
Kind Regards
 

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