Hi, I have also been using 2 tlc5940 chips for a project - The circuit I had working on breadboards (now PCB, SMD), this works for about 5 seconds and then cuts out. Each time I reset the circuit it seems to work for n even shorter amount of time. Any ideas what the problem is??
Here is my circuit: http://25.media.tumblr.com/ec3be9a6a01334bbfb18df174f7876d8/tumblr_ml50ra9Hsb1so48cuo1_1280.png
I am also beginning to think I may be using the wrong component for what I want to achieve.
I am working on a project where I want 5 to 10 RGB LEDs on a prototype. The main requirements of the LEDs is to create a range of colours (maybe 7 different colours) and create and efficient level of brightness.
The product is battery powered and the rest of the circuit is 3.3V, any suggestions?