Questions tagged [tqfp]
For questions about the TQFP (thin quad flat pack) integrated circuit package. Consider using in conjunction with the "integrated-circuit" tag.
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identifying component 12QF 65I COVQ
Can you please help identifying this component with top marking:
12QF
65I
COVQ
Device: an earlier 2020 revision of Xmos isolated I2S USB interface
- 13
7
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4
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638
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STM32F4 TQFP100 part orientation
I have mounted a STM32F446VETx on my PCB as shown on a picture of my PCB:
For me the pin 1 marker in the big mark at the top right of the picture, near C67.
But, after a lot of trial, I can't connect ...
- 6,481
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1
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Can I use LQFP on same TQFP footprint?
I need to order a 32 pin LQFP chip and replace it with another 32 pin TQFP chip so is it ok to replace it or it won't be compatible?
The chip is an STM8S003K3 MCU
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2
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ATmega328p TQFP basic PCB
Is there an error in the basic schematic and PCB drawing of the Arduino?
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TQFP fanout for DFM / AOI
I've often heard a couple of "good practices" for TQFP/QFN ICs fanout:
Do not route corner pins at 90°, instead the track must come straight to the pin:
Do not short the signals directly ...
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Pogo pin version of ISP cable for AVR mega8 in TQFP-32 package [closed]
There are a few 6pin and 10pin pogo variants of Atmel ISP adapters that require dedicated ISP pogo pads on the PCB.
There are full TQFP-32 ZIF sockets that can be used to program any AVR in that ...
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3
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989
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Pads in IC's corners
One can sometimes observe rectangle pads in the corners of some IC's footprints:
What are they for?
- 1,679
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ATmega168 TQFP vs. 28DIP - different behavior after programming
I have developed a program for ATmega168 using Atmel Studio 7.0 and Atmel-ICE as debugging interface.
The development was done on a 28DIP package, since it's easy to work with it on a breadboard. ...
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atmega 328 tqfp sketch upload
After soldering my atmega328 tqfp smd chip on my PCB, i can see that my chip is working with a standard blink sketch uploaded earlier
The problem is that i cannot upload a new sketch using FTDI ...
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4
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Solder bridging when reflowing QFP
Today I attempted to reflow solder a board using a solder paste mask and a hot air station but for a QFP chip, I got a of solder bridging. This has generally been my experience with trying to solder ...
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258
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How to programm AVR ATmega48 in TQFP32 soldered onboard?
I have a board (actually - many of them) with ATmega48PA (TQFP32) soldered in and no ISP connector. Some of the ISP lines are even not routed.
I used Hobbyking programmer to connect to the processor ...
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5
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Programming a AVR in TQFP package
So I got an ATmega328P in a 32 pin TQFP package, along with the breakout board shown. I have connected the pins in accordance with the datasheet. I added the decoupling capacitors after searching ...
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2
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439
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Is this a fake STM32F105? There is no parts listed with that many pins
I am working with a device that has a 100 pin qfp it is labeled:
ARM Z
STM32F105R8T6
But this part only seems to be available in a 64 pin package.
The R in the number dictates that it is a 64 pin ...
- 896
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384
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Understanding the package drawing of a qfp
I am designing my very first PCB and there are a few things on the package drawing of my microcontroller that are unclear to me.
Why are the sizes expressed in fractions?
e.g.: 0,23/0,13 or 0,75/0,...
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Hand soldering QFP component
I recently came across this video on YouTube, in which the guy is soldering a .5 mm QFP component.
Hand soldering a .5 mm QFP Chip
As I haven't done a lot of soldering in my life (and never used ...
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