QFN vs QFP - All About Circuits
Jun 18, 2025 · Hi everyone, Is there a significant advantage of using QFN over QFP or QFP over QFN? Does that have to do with the chip area or parasitic effects between the pins? Thank you!
QFN 16 layout question - All About Circuits
Feb 24, 2023 · Hello, I am making a PCB with a QFN-16 pads, I am having issue with heat so I modified the PCB so I can add a heat sink and fan. I created a small hole on the PCB in the …
How to solder fine pitch QFN parts? - All About Circuits
Sep 23, 2018 · Looking for reliable way to solder small (5mm) QFN parts on densely populated boards. Can this be done with manual tools and without optical alignment system? I am …
Identify part for Acer Predator P5NCN | All About Circuits
Apr 27, 2023 · I need help to identify the part to buy for Acer Predator motherboard P5NCN. From board viewer it is U8300 DDR module VX_QFN_20P_16_S118_P_H31_4V. 25 or...
Need to solder a 4x4mm QFN by hand - All About Circuits
Feb 1, 2022 · Need to solder a 4x4mm QFN by hand cmartinez Feb 1, 2022 Search Forums New Posts 1 2 Next
How to measure continuity of a single QFN without powering …
Nov 27, 2020 · Are there Devices/Probes/Things that can measure single QFN operations, and without powering all SMDs on board? It depends on the board design. Few are designed to …
PCB Pad Design for QFN and MLP(Q) Packages - All About Circuits
Oct 2, 2016 · I am now at the point with my lightning detector(s) to design my own board. The requisite chip (AS3935) is an MLPQ, which is very similar to the QFN with a central heatsink …
High speed signal routing layers - All About Circuits
Dec 5, 2023 · Referring to section 3.2 High Speed Differential Signal Rules. Page 9/21 of the attached document "High-Speed Interface Layout Guidelines" – NOVEMBER 2018 – …
QFN programming - All About Circuits
Dec 16, 2008 · What socket should I use for the 44-pin QFN chip? Are there specific things I need to look for when shopping for this? So the thing I showed you on eBay will allow programming …
What is ATmega328P U-TH? - All About Circuits
Oct 23, 2022 · Hi everyone, I purchased ATmega328P-MU from a certain site, then I received ATmega328P U-TH. The MU is a 5x5mm trapezoidal VQFN package, but my U-TH appears to …