Aluminium PCBs are quite popular, especially for applications where the total LED quantity and/or power is high (p.. COBs).
Aluminium is used as the substrate, and the PCB tracks are isolated from it. Different materials are available for different isolation requirements.
This aluminium PCB can be directly attached to the heatsink.
consulte Mais informação: Escolhendo o material laminado PCB certo para o seu projeto
#PCB Materials #LED
(On every board we submit a design for assembly, some designers may make PCB fab confused about the orientation of diodes or LEDs. And we had both Eagle’s default diodes and KiCad’s default diodes sent back from Chinese fab.)
I have received the final prototypes from manufacturer and all is good after our checking. And we want to keep it well. Do you have any tips about that?
I am getting a PCB manufactured for a project that I am working on. One of the parts, the A4950 motor driver, has a “almofada” on the bottom, which is meant to be soldered to GND of the PCB for thermal dissipation. I was thinking about the prototyping, and I am unsure how I would go about (using a soldering iron), soldering the pad on the bottom.
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