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ic from the past?

I was wondering if someone here may be able to help.....a few years back a colleague and myself started to design a PWM motor control circuit using a LM 3524 IC the circuit was never completed because of time limitations back then....now it looks like it will never get finished.....however he said there was a much better chip available but his memory fails him....on which one it was.... This may seem like a shot in the dark but was wondering if anyone here may know of what this chip might be? He said it was designed especially for this application..... Thanks for takin the time to read....:-/

Reply to
Marc
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what sort of chip are you talking about pwm or hbridge ? And what sort of motor ? what current ?

Alex

Reply to
Alex Gibson

It would be a shame to not use a microcontroller in such a pulse width design, especially when you could code into it special characteristics (startup ramp, load bearing considerations, etc.) that would add bang for the buck.

With that said, it is hard to determine the best tool (dedicated chip in this case) for the job without knowing the job, but if you are looking for a flexible PWM, check out the DS1050.

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With more information someone here may have a better match.

Good Luck

Reply to
xTenn

what sort of chip are you talking about pwm or hbridge ? And what sort of motor ? what current ?

Alex

Reply to
Marc

Hmm, it be the LM629 Precision motion controller.

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Reply to
Zwox

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