AN2479 Datasheet, PDF (15/23 Pages) STMicroelectronics – The STEVAL-CCA048V1 is a demonstration board designed for the evaluation

AN2479
Design guidelines for PCB schematic and layout
Ensure good separation between adjacent coils and that they have the same orientation
(vertical) in order to avoid crosstalk.
Figure 19. Coils
Vertical
Separate the coils to avoid crosstalk
Vertical
It is better to use a polyester capacitor for the filter capacitors.
Figure 20. Filter capacitors
It is better to use a polyester or metal
capacitor for the filter capacitors
Doc ID 12956 Rev 2
15/23