Breakout board for TLC5947 24-channel 12-bit PWM LED driver or any other up-to-32-pins HTSSOP/TSSOP package in a 0.65mm pitchDesigned by Offerman Industries in Netherlands
This is a breakout board for the TI TLC5947 IC, a constant-current LED driver supporting 24 channels, and 12-bit PWM control per channel. Unfortunately this powerful yet easy to drive IC is only avai…Read More…
This is a breakout board for the TI TLC5947 IC, a constant-current LED driver supporting 24 channels, and 12-bit PWM control per channel. Unfortunately this powerful yet easy to drive IC is only available in high-density packages that are hard to solder without special equipment and skill. Even more so considering that the TSSOP package not only features a 0.65mm pitch but also requires an integrated heat sink underneath -- this is what TI calls a DAP/PowerPAD Thermally Enhanced package. That means that there is a thermal pad at the bottom side of this HTSSOP package which needs to be connected (i.e. soldered) to a heat sink (i.e. two or more copper planes connected through thermal vias) integrated (i.e. designed) into the PCB.
This board is available with a TLC5947 IC already soldered on, but also as a plain, empty item which can be used for breaking out any other TSSOP IC (up to 32 pins) in a 0.65mm pitch.
The standard 2.54mm (100 mils) pitch and the narrow size of this breakout board make it very suitable for use on a breadboard.
I myself have used this board for driving 16-segment LED displays when developing a display and effect library for this type of elements in C for AVR8.
For people willing to create their own design using the TLC5947 IC, a footprint for KiCad is available here.
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