L298 IC damage

Thread Starter

chetan_ec2006

Joined Nov 1, 2010
6
Dear Sir,

i have use L298 drive IC for stepper motor(1A,24VDC) using microcontroller IC.
When i can connect the motor to driver after 1 to 3 sec driver IC damage without heating. (The upper transistor of winding O3 has been shorted)
I have use fast recovery diode as UF-4005.

I have attach schematic which has been used.
please give me the right suggestion.
 
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