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???
07/23/04 12:35
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#74748 - RE: Power Supply connection
Responding to: ???'s previous message
I do the very same but with 4 boards and 55A total load.
board board board board
    |-|   | |    |_|
          | |
         power

Your pronblem is that you use the same supply wire for logic and LEDs. When a bunch of LEDs turn on the problem is not the resistance in the wires but the inductance in them.

change your design to have two power circuits one for the LEDs and one for the logic chips, it works in 1000 units built every month here.

Erik

List of 27 messages in thread
TopicAuthorDate
Power Supply connection            01/01/70 00:00      
   RE: Power Supply connection            01/01/70 00:00      
      RE: Power Supply connection            01/01/70 00:00      
         RE: Power Supply connection            01/01/70 00:00      
            RE: Star            01/01/70 00:00      
               Star with a busbar            01/01/70 00:00      
                  RE: Star with a busbar            01/01/70 00:00      
         Is this a new problem?            01/01/70 00:00      
         More details            01/01/70 00:00      
   RE: Power Supply connection            01/01/70 00:00      
   RE: Power Supply connection            01/01/70 00:00      
   RE: Power Supply connection            01/01/70 00:00      
      Full description            01/01/70 00:00      
         RE: Full description            01/01/70 00:00      
            RE: Full description            01/01/70 00:00      
               RE: Full description            01/01/70 00:00      
               RE: Full description            01/01/70 00:00      
         RE: Full description            01/01/70 00:00      
            RE: Full description            01/01/70 00:00      
               RE: Under-loaded SMPS            01/01/70 00:00      
            RE: 75176 AP And BP            01/01/70 00:00      
               RE: 75176 AP And BP            01/01/70 00:00      
   RE: Power Supply connection            01/01/70 00:00      
      RE: Power Supply connection            01/01/70 00:00      
         RE: Power Supply connection            01/01/70 00:00      
            RE: Power Supply connection            01/01/70 00:00      
               RE: Power Supply connection            01/01/70 00:00      

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