[TriEmbed] link to the PowerFet board images that happens to work & missing post

Pete Soper pete at soper.us
Thu Jun 25 15:39:40 CDT 2015


The pull down makes perfect sense. Duh, I don't really know if that 
solder pad has plated through holes from the top to the bottom annular 
ring. Thought about that, but didn't worry about it. But apart from 
that, a handful of vias would be obviously useful (i.e. obvious now!)

Pete


On 06/25/2015 04:22 PM, Shane Trent wrote:
> Pete,
>
> Love the board! All that Copper! Any chance of added a 1M pull-down 
> resistor between gate and source? Just to make sure the static state 
> is off. Does it need any vias to tie the top and bottom copper 
> together closer to the pins? I have never read a clear explanation 
> about how to size them and where to place them but many high current 
> designs have many extra vias.
>
> http://www.robotpark.com/image/cache/data/PRO/91197/91197-ACS715-Current-Sensor-Carrier-0-to-30A-Pic001-700x700.jpg
>
> Shane
>
> On Thu, Jun 25, 2015 at 2:53 PM, Pete Soper via TriEmbed 
> <triembed at triembed.org <mailto:triembed at triembed.org>> wrote:
>
>     OK, another reminder to always check links every single time no
>     matter if I think I "just changed one little insignificant detail".
>
>     The PowerFet board images are here
>     <http://triembed.org/lib/PowerFetSOIC8-1>.
>
>     I sent Shane's too big posting through, but it hasn't shown up in
>     the archives or may email folder yet. Hoping it wasn't hung up and
>     the rest of you have gotten this.
>
>     We obviously need to boost the list message size limit, which is
>     100kb for text messages. But the limit can't change until July at
>     the earliest. Sorry for the hassle.
>
>     And I forgot to say much earlier this month: Thanks for the
>     anonymous $5 donation to offset domain registration cost!
>
>     -Pete
>
>
>
>
>
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>
>
>
> -- 
> A blog about some of my projects. http://fettricks.blogspot.com/

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