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???
01/28/09 07:01
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#161776 - Cheers
Responding to: ???'s previous message

Low Side
For the low side I'll use the As1109 (constant current sink)

High Side
High side either PNP transistors or P channel FET.... that need to carry less than 500mA (500mA/8leds)
Or even High side drivers... As switches.

the emitter/gate will be controlled from the ring counter.


Joe


List of 8 messages in thread
TopicAuthorDate
LED Maxtrix Driver            01/01/70 00:00      
   MOSI and MISO directions?            01/01/70 00:00      
      Yes - MOSI and MISO should be swaped            01/01/70 00:00      
   Ten Tiles In A Row            01/01/70 00:00      
      Good comments - more thinking            01/01/70 00:00      
         High side Drivers            01/01/70 00:00      
            High Side Switches!            01/01/70 00:00      
               Cheers            01/01/70 00:00      

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