pcb - Do QFNs really need that thermal pad? - Electrical Engineering Stack Exchange
Often a chip will be available in several different packages. Sometimes QFN which has a thermal pad, and TQFP which has no thermal pad. The justification for the thermal pad is that it helps conduc
pcb - Can you place vias inside a QFN footprint? - Electrical Engineering Stack Exchange
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Placement of Vias under thermal pads - Electrical Engineering Stack Exchange
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Distribution of the most frequent causes of electronic failures [22].