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Posted by PhattyMo on May 2, 2008, 10:49 pm
Please log in for more thread options Nathan K wrote:
> Hi All,
> I'm trying to use a sg3525 ic in a Sinewave PWM. I've looked everywhere
> and can't find a straight answer, so I hope that someone here with
> experience can assist.
>
> Question 1:
> How can I configure (if at all) this device so that given the input, a
> SPWM signal, in one clock cycle it will turn on MOSFET Driver Out A for
> SPWM(high), and MOSFER Driver Out B for SPWM(low)(with dead time to
> ensures both devices don't conduct at the same time).
>
> Question 2:
> Is there another device that might do this, that also ensures both
> devices don't conduct at the same time. (Dead time)
>
> Thanks in advance,
>
> Nathan
do a search on www.diyaudio.com ,They use switchers in car amplifer
SMPS's all the time...I seem to recall a couple discussions about
adjusting the dead-time on a '3525. IIRC,you can set/adjust dead time by
adding a resistor.. (but don't quote me on that)
http://www.diyaudio.com/forums/showthread.php?s=&threadid=90881
http://www.diyaudio.com/forums/showthread.php?s=&threadid=83060
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