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OUPower.com Discussion Board for Over Unity Power Research 2008-09-15T19:17:30-04:00 https://www.oupower.com/phpBB/feed.php?f=10&t=2177 2008-09-15T19:17:30-04:00 2008-09-15T19:17:30-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21536#p21536 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by AlaskaStar — Mon Sep 15, 2008 7:17 pm

]]> 2008-09-15T10:44:41-04:00 2008-09-15T10:44:41-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21528#p21528 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by cwaugs — Mon Sep 15, 2008 10:44 am

]]> 2008-09-15T01:50:54-04:00 2008-09-15T01:50:54-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21519#p21519 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by AlaskaStar — Mon Sep 15, 2008 1:50 am

]]> 2008-09-14T20:01:51-04:00 2008-09-14T20:01:51-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21513#p21513 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by cwaugs — Sun Sep 14, 2008 8:01 pm

]]> 2008-09-12T23:54:14-04:00 2008-09-12T23:54:14-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21485#p21485 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by AlaskaStar — Fri Sep 12, 2008 11:54 pm

]]> 2008-09-12T07:43:20-04:00 2008-09-12T07:43:20-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21473#p21473 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by cwaugs — Fri Sep 12, 2008 7:43 am

]]> 2008-08-25T05:31:05-04:00 2008-08-25T05:31:05-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21167#p21167 <![CDATA[MOSFETs. How to switch off?]]>

AlaskaStar

Statistics: Posted by AlaskaStar — Mon Aug 25, 2008 5:31 am

]]> 2008-08-25T05:29:41-04:00 2008-08-25T05:29:41-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21166#p21166 <![CDATA[MOSFETs. How to switch off?]]>
This would be for the board and the chip, with a shopping list, places to get parts, and a connection diagram, assembly instructions.

A completed board would be ready to connect, and have all the components installed, tested for operation, programmed, and fully functional for $500 USD.

The only 2 components that are considered Intellectual Property are the board and the chip, and I choose to not have these boards manufactured in China for the reasons of "cheapness" because I believe that the process I choose to use allows the inventor/ tinkerer/ builder to make money building and selling these boards to the locals in their area.

Maybe you could profit in your area by finishing the boards and selling them/ installing them?

I do have a PayPal Account now. To send money (if you want one) use my e-mail address for the recipient of the funds.


AlaskaStar

Statistics: Posted by AlaskaStar — Mon Aug 25, 2008 5:29 am

]]> 2008-08-24T10:07:41-04:00 2008-08-24T10:07:41-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=21145#p21145 <![CDATA[MOSFETs. How to switch off?]]> Statistics: Posted by mael — Sun Aug 24, 2008 10:07 am

]]> 2008-07-28T20:59:26-04:00 2008-07-28T20:59:26-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=20613#p20613 <![CDATA[MosFet Gate Drive requirements]]>
You may also want to download which is very informative.

You'll find more available too.

Happy reading!

Statistics: Posted by SeaMonkey — Mon Jul 28, 2008 8:59 pm

]]> 2008-07-28T04:54:48-04:00 2008-07-28T04:54:48-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=20596#p20596 <![CDATA[MOSFETs. How to switch off?]]>
Gate to Source: Insert/ Connect 1 MEGA-OHM RESISTOR.

Supply 5 volts to the gate, it switches ON, when the 5 volts is removed, it switches off.

Rated at 30 AMPS 100 Volts. Pretty durable little unit. I use them on my battery controller. See here:

http://www.oupower.com/index.php?dir=_O ... Controller

The picture doesn't show the resistors because they are behind the Switching Mosfets, and if I took it from the other direction, it would show it.

AlaskaStar

Statistics: Posted by AlaskaStar — Mon Jul 28, 2008 4:54 am

]]> 2008-07-28T02:39:47-04:00 2008-07-28T02:39:47-04:00 https://www.oupower.com/phpBB/viewtopic.php?t=2177&p=20593#p20593 <![CDATA[MOSFETs. How to switch off?]]>
I can use a resister between gate and source.

And I've also tried using resistive loads at speeds of 50 - 100 on/offs per min. When I do this it of course needs more power to drive the gate because of the path to source.

What might be better? A transistor cut-off? A bigger drive and big resister?

* I don't have a 'proper' MOSFET driver.


* I will be satisfied if the MOSFET can switch hard-on to hard off about 50 times / sec. - I'll progress up from there later when I can do it properly at a slow speed.

Statistics: Posted by mael — Mon Jul 28, 2008 2:39 am

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