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06/18/08 04:37
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 		 #155987 - How to drive solenoids?
Hi All,
I am working on small project using 89C51. In this project I want to drive 15 solenoids 1amp). MC port is connected with optocoupler. But optpcoupler is not enough to drive solenoid. Some of my friend advice me to use MOSFET. Any body help me that MOSFET is better or others and waht will the circiut?

List of 40 messages in thread
TopicAuthorDate
How to drive solenoids?            01/01/70 00:00      
   Sure a MOSFET but do consider...            01/01/70 00:00      
      Give more infomation?            01/01/70 00:00      
         Suggestons            01/01/70 00:00      
            MOSFET burn out?            01/01/70 00:00      
               possibly            01/01/70 00:00      
               Discharging coil            01/01/70 00:00      
                  Overkill            01/01/70 00:00      
                  Most MOSFETs have those built-in.            01/01/70 00:00      
      same GND bus.            01/01/70 00:00      
         no            01/01/70 00:00      
   Use a solenoid driver!            01/01/70 00:00      
   same GND bus.            01/01/70 00:00      
      High in-rush current consideration            01/01/70 00:00      
         mosfet drive from logic level?            01/01/70 00:00      
            Availability vs Suitability            01/01/70 00:00      
            mosfet drive from logic level            01/01/70 00:00      
               for googling purposes            01/01/70 00:00      
                  not exactly            01/01/70 00:00      
                     using google            01/01/70 00:00      
   about the solonoid valve            01/01/70 00:00      
   ABOUT THE S.V.            01/01/70 00:00      
   H11B1 and IRF510 Drive solenoid But....?            01/01/70 00:00      
      Sounds like inadequate power supply            01/01/70 00:00      
         Suitable Power supply.            01/01/70 00:00      
            12V 6.5A?            01/01/70 00:00      
            Think about it!            01/01/70 00:00      
      do the math            01/01/70 00:00      
   12v 8A power supply            01/01/70 00:00      
      none, except            01/01/70 00:00      
         also            01/01/70 00:00      
      Maybe a better starting point is....            01/01/70 00:00      
      Ever heard of fuses...            01/01/70 00:00      
         difficult, ....            01/01/70 00:00      
            plural            01/01/70 00:00      
               I do not understand            01/01/70 00:00      
                  Split tree of protection...            01/01/70 00:00      
                     Absolutely!            01/01/70 00:00      
                        well,            01/01/70 00:00      
                        The name used...            01/01/70 00:00      

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