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Multiplexed TLC5940 - will this work

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boylesg

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Assumptions:

1) The groups of 3 LEDs represents a single common anode RGB LED.

2) The test points represent out pins of a TLC5940 IC.

3) The 4 xTLC5940 output pins on the left side of the schematic get a fixed duty cycle of 100%.

4) The 12 x TLC5940 output pins at the bottom of the schematic get a variable duty cycle and control the brightness of LEDs.

Is there any reason that this schematic wouldn't work?
 

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