Re: TI UC2710 vs. Microchip TC4422 FET drivers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "David Sharpe by way of Terry Fritz <twftesla-at-qwest-dot-net>" <sccr4us-at-erols-dot-com>

Rob 

Go to IR's website and check under "integrated circuits".  Check below 
link: 

 <http://ec.irf-dot-com/ec/adirect/ir?category=333&categoryName=/&cmd=navigate>
http://ec.irf-dot-com/ec/adirect/ir?category=333&categoryName=/&cmd=navigate 

Of interest is single and dual drivers.  Be sure you have a good reference
between 
+ and - rails.  Check Marco Denicolai's site on pitfalls of applying with his
5kW 
SMPS for THOR.  Typical ones used are IR21** family. 

Regards 
Dave Sharpe, TCBOR 
Chesterfield, VA. USA 

Reg 

Tesla list wrote: 
>
> Original poster: "rob by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <rob-at-pythonemproject-dot-com> 
>
> Tesla list wrote: 
> > 
> > Original poster: "Daniel McCauley by way of Terry Fritz 
> <twftesla-at-qwest-dot-net>" <dhmccauley-at-spacecatlighting-dot-com> 
> > 
> > I'm surprised you actually tried both as everyone in the industry knows the
>
> > TC4421 and TC4422 are the work horses for FET drivers. 
> > 
> > However, be careful, as at high frequency (>300 kHz) your gate capacitance 
> > could draw some serious current and you'll have to cool these things. 
> > 
> > I use them to drive IXFN24N100 1000V FETs at around 270kHz and these things
>
> > get smokin' hot.  Requires fan cooling. 
> > 
> > Dan 
>
> Hi Dan, 
>
> Thats news to me, obviously :) 
>
> Unitrode made the most prevalent advanced controllers for SMPS, then 
> they were bought by TI.  It was natural for me to look to them for a 
> driver.  If I had a choice, though, I would use IR.  Everything I have 
> ever used made by them has proven to be superior.  But right now, I 
> think they are mainly selling advanced ASICs and discretes.  I couln't 
> find any drivers on their web site. 
>
> Rob. 
>
> -- 
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