> I have been using CI SG3524 Texas to control a DC motor 1/8HP
> and 24VCC.  
>   
> I am looking for new alternatives of circuits integrated to drive   
> this motor.  

What are you using now ? Do you want bi-directional drive ? It
looks like the SG3524 has linked alternating outputs so I presume
it doesn't do bi-directional drive. As you've posted this under the
[PIC] tag, why not a PIC and an external bipolar/FET or H-bridge

eg add PWM to this

http://www.bobblick.com/techref/projects/hbridge/hbridge.html

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