The downside is that this design requires a very custom PCB stack-up. While 2 layer and 4 layer PCBs are fairly common. 3 layers is very rare. Due to the additional manufacturing complexity and cost I avoided this design.
The downside is that this design requires a very custom PCB stack-up. While 2 layer and 4 layer PCBs are fairly common. 3 layers is very rare. Due to the additional manufacturing complexity and cost I avoided this design.