Questions tagged [pins]
May refer to conductive traces of an integrated circuit, exposed as metal contacts, or pins, which are large by comparison and make physical connection to other components feasible. May also refer to metal pins connected to specific traces of a printed circuit board for the purpose of connecting and disconnecting external components or peripherals in a reusable way.
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What are the VDDSD, VLXSD, and VFBSD pins?
On the STM32WB09KEV, and on MCUs in general, what do the VDDSD, VLXSD, and VFBSD pins mean.
I can see that they have something to do with SMPS (input/output, ground and output), but what do they ...
2
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4
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Is a shunt jumper for a power plane jumper a good idea?
I am designing an experimental PCB. I have included a split rail DC/DC converter LM27762 on it. Since I wasn't sure it will work, for testing purposes I have included a 2x3 pin header for bridging the ...
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Help identifying hollow spring / inverted header sockets
I'm trying to identify the following hollow sockets which are used to interface with a 0.1" pitched header:
(source: US Digital PC5 Broadcom/Avago Compatible Incremental Encoder Cable Driver. ...
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2
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Looking for a short sharp pin [closed]
I'm looking for a short pin with a sharp point, to be used for probing a circuit. Similar to a scope probe tip, but for a dedicated custom PCB.
Ideal length of <5mm, diameter of <1mm, solderable....
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Identification of a directly soldered PCB terminal pin 13.55 mm × 1.58 mm
I add in this question the picture of a PCB terminal, in this picture have the mesures of it. somebody can tell to me what terminal is it?
Thanks.
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1
answer
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The pin configuration of an RJ45 network connector Pulse J0G-0001NL
I have a few questions about whether I have pulled the right one for this RJ45 connector.
It's a Pulse J0G-0001NL and the pin configuration is below.
But note that if you look at the pattern, you ...
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2
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what is this part/component in this circuit schematic?
I have a circuit schematic (this is just a part of it):
I am trying to find what those little circles above and below the speaker are. I dont think they are part of the speaker itself, as there is ...
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1
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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
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2
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What is the purpose of the "REF" pin of LTC6915?
I am working with a LTC6915 and i don't understand what REF pin does.
That like V+ - V- + Vref = Vout?
Or something else? I don't understand the datasheet.
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1
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Convert RS232 signal to USB
I have an optical amplifier that uses RS232 and I want to convert to USB. I've purchased this chip, also here. There is little documentation on this chip and the supplier hasn't responded to questions....
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1
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Why is KiCad repeatedly re-assigning the Ground Pin of a row of resistors to some random pad?
I have run into an odd problem with KiCad, whereby a row of resistors has its ground pads re-assigned to some random pad. This happened with the central row of resistors first of all, which were ...
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PIC32 VUSB3V3 must be externally powered?
I use a PIC32 and I want to use RB11. That's a USB pin but can be used as GPIO.
The datasheet specifies in 18.4 page 180:
For non-USB operation with RB11 and/or RB10 as GPIOs, the USB module must be ...
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2
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old YAZAKI PCB pins
I have a circuit board out of an old dozer that are not manufactured any more. I managed to have a new one printed up as my first PCB project and it works great but I soldered wires to the new board ...
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Potentiometer - confusion about arrow direction
In this schematic, is the left pin of the potentiometer connected to 6 and the middle pin connected to 7 or vice versa?
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PCBWay : Minimum SMT Width
Question
Is it bad design to alter the manufacturer-recommended VQFN footprint as follows:
• Pin copper width: 0.2 [mm] --> 0.3 [mm]
• Pin copper to copper spacing: 0.2 [mm] --> 0.1 [mm]
and if ...
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