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???
02/03/03 20:24
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#38209 - RE: Overheat Problem in TIP31C
Responding to: ???'s previous message
Erik's right, I should have checked the device, I got confused with the Darlington version.

How were you driving the base ? The TIP31's Hfe will fall to about 30 at 1.5 A, so you need 50mA of base current from somewhere.

The device WILL take the current you need, but its not a good choice.

Take Charles' advice, try the L293, or something else from Allegro.

Steve

List of 20 messages in thread
TopicAuthorDate
Overheat Problem in TIP31C            01/01/70 00:00      
   RE: Overheat Problem in TIP31C            01/01/70 00:00      
   RE: Overheat Problem in TIP31C            01/01/70 00:00      
   RE: Overheat Problem in TIP31C            01/01/70 00:00      
      RE: Overheat Problem in TIP31C            01/01/70 00:00      
   RE: General Overheat Problems            01/01/70 00:00      
   RE: Overheat Problem in TIP31C            01/01/70 00:00      
      RE: Overheat Problem in TIP31C            01/01/70 00:00      
RE: Overheat Problem in TIP31C            01/01/70 00:00      
RE: General Overheat Problems            01/01/70 00:00      
   RE: General Overheat Problems            01/01/70 00:00      
   RE: General Overheat Problems            01/01/70 00:00      
      RE: General Overheat Problems            01/01/70 00:00      
RE: Overheat Problem in TIP31C            01/01/70 00:00      
RE: Overheat Problem in TIP31C            01/01/70 00:00      
   RE: Overheat Problem in TIP31C            01/01/70 00:00      
      RE: Overheat Problem in TIP31C            01/01/70 00:00      
         RE: Overheat Problem in TIP31C            01/01/70 00:00      
            RE: Overheat Problem in TIP31C:Erik            01/01/70 00:00      
         RE: Overheat Problem in TIP31C            01/01/70 00:00      

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