Tag Archives: QFP

QFN? QFP? QFWHAT?

The QFN (quad flat pack, no leads) has become my favorite integrated circuit package. It’s very compact, yet is easier to use than a µBGA. µBGAs of 0.5mm and smaller pitch become a bit more difficult and costly with more … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , , , | Comments Off

More Beagle CAD Paws

Continuing on from my last post … As I said, I do everything I can to avoid reusing the package footprint when adding the the parts library in Eagle CAD. The schematic symbol can be a different story though. It … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , , , | Comments Off

Tented QFN/QFP Via-in-Pad

Below is a pretty decent example of mask-tented vias in the thermal pad of a QFP. Most manufacturers recommend no more then 100 – 125 microns wider than the via to minimize voiding and thermal insulation in cases like this. … Continue reading

Posted in Screaming Circuits Blog | Tagged , , , | Comments Off