Questions tagged [autorouter]
The PCB Auto Router is a feature of a PCB-design software that places traces automatically.
49
questions
3
votes
2
answers
110
views
My first PCB design. 4x4 CNY70 matrix read by breakout board
Please give my design a once over. I think I have found everything but I am nervous.
This is my first PCB design. A 4x4 CNY70 (Reflective Optical Sensor) matrix read by a analog/digital mux breakout ...
- 71
3
votes
2
answers
277
views
Why does KiCad / FreeRoute connect an IC's input pin with ground even if such a connection is missing in the schema?
After uploading my PCB design for manufacture, I got an error message about an input pin (#14) of one of the ICs (U4; a TDA7560 amp) being connected to GND and GNDA:
...
- 553
0
votes
1
answer
110
views
EASYEDA "Auto Router is already running or address is already in use" Issue
Why do I get this error message every time? I don't have it open, I've restarted my computer several times and it still gives me error messages.
(Self-answered below, including Auto Router port issues,...
- 1
0
votes
0
answers
165
views
Why does Altium's autoroute short circuit polygons
Novice here. I would like autoroute to handle routing all my connections, but it seems to violate the polygons that I have placed before routing.
I can't seem to find any rules that may/may not cause ...
0
votes
1
answer
60
views
Eagle - How to make the router ignore internally connected pins (the other way around)
I have a push-button component in Eagle 8.2.1. The same kind of thing as described in this question:
Eagle - How to make the router ignore internally connected pins (in a package)
Contrary to the ...
- 192
0
votes
1
answer
230
views
Custom Jetson Nano Carrier Board 4A trace width connections
Hi I'm designing a custom Jetson Nano Carrier Board according to Jetson_Nano_Carrier_Board_OrCAD_Schematics file. And as may you know, from DC Jack you can supply 5V 4A to the board. The problem is, ...
2
votes
1
answer
140
views
Altium 20 autoroute via polygon
I wonder how can I make Altium autorouter to place a short track and then use via to connect SMD IC pads on one side to a polygon on another side?
Should I define any rules?
Should I change any ...
- 69
14
votes
7
answers
7k
views
Autoroute or not?
I made a fairly complex circuit (at least for my level).
After spending a few hours trying to manually autoroute, I had like only 5% finished, and every time run into obstacles of not being able to ...
- 13.9k
2
votes
4
answers
470
views
Freerouter doesn't want to route to inside an FPGA
Prefacing this by saying I'm entirely new to designing electronics for a PCB and I've only worked with breadboards before, so if there's more that I'm doing wrong in my project besides just the PCB ...
- 123
3
votes
1
answer
244
views
EAGLE 9.4.1 How do I autoroute a range of signals?
I have a board with three 32 input analog multiplexers, along with more components, connected to a 96 way DIN connector. How do I manually tell the autorouter to select only the muxers signals? I ...
- 133
6
votes
1
answer
833
views
Altium testpoints auto-placement
Is there a way to use Altium to automatically generate test points on an already routed board? When there is no usable via, I'd like to place a pad on the net.
When reviewing Altium API reference ...
0
votes
0
answers
271
views
Eagle - 6 Layer Via pairing error + bga fanout
I'm trying to manually fanout 5 bga's on my 6 layer board. Tried using Eagle's default Auto BGA router and kept coming up with problems regarding my additional layers being used but not enabled, I ...
- 195
1
vote
2
answers
155
views
How can I adjust my IC placement further to route properly?
I've been trying to place my ICs properly to allow the autorouter to route the ICs with no success, I'm a total beginner at this and I tried routing manually with no success, any hints? The board is 1 ...
1
vote
1
answer
289
views
Trouble with Eagle's BGA autorouter
Personally I'm having trouble with eagle's bgaAutoRouter when I use it, it's not doing the bga tracks and routes and I'm wasting a lot of time looking for how to make it work. my settings in image.
...
- 37
0
votes
1
answer
319
views
Open-source layout routing tool [closed]
I am looking for an open-source circuit layout routing tool (with scripting option) for custom layout design. For example: I design a NAND schematic and convert it into layout and place components (...
- 85
0
votes
1
answer
138
views
Why does autorouter revert to 98% after reaching 100%?
I managed to route an entire complex board with eagle, or so I thought. At first it worked. Then I began adding large fills (ground planes and VCC planes) in order to minimize impedance.
I now added ...
0
votes
1
answer
229
views
Eagle CAD autorouter places tracks too close to vias
Eagle CAD autorouter places tracks too close to vias. I tried to change some parameters in the design rules but without a good result.
- 1
2
votes
1
answer
1k
views
How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle?
How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle?
every time I use autoroute, the trace width is by default set to 0.0154mm. I have ...
- 21
0
votes
0
answers
68
views
Altium AutoRouter problems with mixing power signals
I'm using Altium for my board layouts, and for the most part, I hand rout the boards. I'm currently working on a particularly dense board, so I decided to use the autorouter after hand routing about ...
- 193
-1
votes
1
answer
525
views
Altium trace Clearance auto finder (based on ANSI / IPC-2221/IPC-2221A standards)?
I need to make one LED PCB Bord for lighting using SO i have designed my schematic into Altium designer V16, like this (single side ):
So according ANSI / IPC-2221/IPC-2221A design standards for My ...
0
votes
2
answers
2k
views
How to find an EAGLE routing variant which will be OK after final processing of polygons
I am laying out a PCB using EAGLE 7.7.0 for Linux (64 bit).
When I run the Autorouter (high effort) it runs 22 variants of the routing, and all 22 produce 100% complete routing.
Below the dialogue ...
- 101
-1
votes
2
answers
820
views
Why Altium designer autorouter making overlapped circuit track (error)?
I am using autoroute option in Altium designer (for only bottom layer), but in result I see some tracks overlapped to each other, as you can see in this photo:
So I think when the Altium could not ...
1
vote
1
answer
43
views
command to identify struggling connection in eagle faster
I'm trying to auto-route a PCB which eagle determines there are 400 connections to. Sometimes I reach 100% and sometimes I reach 99.5 and 99.8% and as I watch the progress, sometimes eagle claims ...
user116345
0
votes
1
answer
365
views
what are the ways to make the autorouter in eagle work faster?
I know one obvious way is to upgrade to a modern computer but not a lot of people can afford to do that.
What I have attempted to do to try to speed up auto-routing operation is to add lines from the ...
user116345
1
vote
2
answers
1k
views
How to prevent eagle from attempting a specific route?
I'm using the eagle autorouter to route my PCB because it makes cleaner tracks than if I did it myself. One problem I have is that sometimes it insists on attempting to make the same connection over ...
user116345
8
votes
1
answer
840
views
Safe route clearance on PCB?
Some chips with high input voltages have a very tiny package.
For instance, power gauge INA226 has a maximum convert voltage of 36V, but it's in MSOP8 package, the distance between two pins in its ...
- 455
0
votes
1
answer
43
views
How to display unroutable tracks early in eagle autorouting process
I felt like I spent a week trying to route the same circuit. I then look in the manual for hints, and it talks about how the status of the autorouter includes the number of tracks that it believes are ...
user116345
1
vote
1
answer
184
views
Connecting latch to ram via 8 horizontal tracks within IC (auto-routed style)
Here's the issue with eagle autorouter and me trying to connect a 62256 ram chip to a 74HC574 latch (even with clock and latch enable disconnected)
I measured the width in the trouble IC (74HC574) ...
user116345
0
votes
2
answers
2k
views
Eagle: Autoroute only gnd and vcc net with using only vias
I'm struggling to get the Eagle Autorouter (Eagle 7.6) to route only the VCC (layer 2) and GND (layer 15) layer on a 4 layer board. I have created a net class for VCC and GND. Now I would like to have ...
- 1,368
2
votes
3
answers
2k
views
Impedance matching routes in Eagle board
I am making my second board using Eagle CAD. I have different components with a set of different sizes. I set the minimum width for lines to be x. That way, the autorouter creates EVERY line in that ...
- 65
1
vote
1
answer
4k
views
Eagle will not finish auto routing?
Using Eagle for mac, I am trying to autoroute the board. I have set the trace width to 8.
He start the process and it takes him about 2 minutes, than he stops at some point and show the next ...
2
votes
3
answers
5k
views
Reroute existing wires with autorouter eagle
I created a board in Eagle, autorouted it and then moved components around. Is it possible to autoroute again, because now the wires are not straight. If I autoroute it just ignores existing wires.
- 135
26
votes
6
answers
17k
views
New to PCB design - why doesn't auto placing components exist?
The circuit design software I have seen has the ability to automatically route traces etc. on a PCB.
But why doesn't this software have the ability to automatically place components on a PCB say to ...
- 361
4
votes
1
answer
811
views
Eagle routing gate swap and abitrary connectible pins
Is it possible to have the Eagle autorouter swap gates or pins on parts allowing such exchanges to untangle traces ?
- 551
2
votes
1
answer
118
views
Eagle Auto Router Display
I've been having difficulty finishing the routing on a PCB I've designed. This is the first time this has happened really. I have miles of free space, yet it only gets to 96.4%. Anyways, I can't find ...
- 89
1
vote
1
answer
3k
views
Why is the autorouter not reaching 100%?
When I use the autorouter in eagle for creating simple traces (the more difficult ones I'm doing on my own) it stops at 98.2%, but no trace is left unrouted. Why don't I get 100%? How do I find out ...
- 724
1
vote
1
answer
5k
views
Eagle Clearance Error on DS2784
I am using the CAD drawing for the DS2777 from Maxim Integrated. http://www.maximintegrated.com/en/design/packaging/cad/?phase=proc&return_url=http%3A%2F%2Fwww.maximintegrated.com%2Fen%2Fdesign%...
8
votes
3
answers
11k
views
What are some tips to routing a one sided PCB?
I'm having trouble routing this PCB in Eagle 7.1:
I have tried the following:
Autorouting - it could not complete
Moving components around
Manually routing - I always ended up getting stuck
Adding ...
- 2,736
10
votes
3
answers
4k
views
Eagle - How to make the router ignore internally connected pins (in a package)
I have made a tactile switch package and as the picture shows pin 1 and 2 are internally connected, same for pin 3 and 4.
The package have 4 pads and the symbol only 2. I have connected pads 1+2 with ...
- 647
1
vote
1
answer
871
views
KiCad: can I give different names to different parts of the same net?
Is it possible to give different names to different parts of the same net in KiCAD?
I'm setting up to do an autorouted layout (yes, I know, autorouters are evil, but they save a lot of time and ...
- 445
2
votes
2
answers
555
views
Eagle not autorouting custom footprint
I am making a custom footprint for a component. However if I use the component then Eagle doesn't auto route any connections to that component. Does anyone have any ideas?
1
vote
2
answers
2k
views
Eagle how to restore default autorouter settings?
I'm testing Eagle autorouter while changing the value in various ways.
Is there way to reset the parameter values for returning to default settings?
- 93
2
votes
1
answer
87
views
In Eagle, Why via is created in the distant location
I'm using Eagle Autorouter. This works fine.
But sometimes via is created in the distant location.
Does anyone know the cause?
Image is using 10mil Grid.
Center-Top small one is the via of this ...
- 93
7
votes
5
answers
6k
views
Convert Eagle v6 BRD file for autorouting?
I've just finished designing a PCB in Eagle. Now I want to use the freerouting.net autorouter to route my board (because Eagle's default auto is crap, sadly).
The one problem: converting my Eagle PCB ...
- 513
9
votes
4
answers
8k
views
Autorouter for PCB breadboard?
Is there any usable program that could help me organize elements on PCB breadboards? Or maybe some kind of autorouter?
By PCB breadboard I mean something like this:
- 902
8
votes
3
answers
8k
views
Combining hand-routing and auto-routing in Eagle; selective ripup in an Eagle ULP
In Eagle I often prefer to route some wires myself (power, xtal, UBS, etc), and leave the rest to the autorouter. When I am not pleased with the result I route some more myself, and let the autorouter ...
- 48.4k
1
vote
1
answer
2k
views
Fritzing unrouted connections with Autoroute
Why does Fritzing's Autoroute leave unrouted connections?
Is there any way to tell it to route every connection?
- 125
2
votes
3
answers
3k
views
CPU considerations for PCB software (routing) when purchasing a new computer
My company uses Altium Designer for PCB design and the most CPU intensive operation seems to be the autorouting.
My question is, when considering a new computer, would it benefit autorouting ...
- 33.1k
21
votes
7
answers
32k
views
Which PCB software has the best autorouter? [closed]
I know that lots of people out there feel that autoroute results are not useable.
I find that the autorouter is a good way to get a good placement. I use eagle. I do a basic placement, autoroute ...