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!
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...
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 …
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 – …
how do you probe tiny pins? - All About Circuits
May 26, 2022 · Whoops. Missed the QFN bit. I've usually been able to probe the solder blob at the edge or add a little extra solder for a blob. You do need good magnification with a proper …
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 …
What's the difference between MOSFET high side and low side …
Jun 2, 2016 · I need some information regarding the Power MOSFET switching. 1.what is the difference between high side & Low side switching 2.when we have to use High side switching …
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
Cleaning Question - White residue after cleaning... - All About …
Apr 8, 2011 · i have noticed after cleaning boards w/ 91% ISP that there is a white residue on the components and slight haze on the board. my process is to clean the board before hand w/ …
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 …