{"id":675,"date":"2017-04-03T08:00:38","date_gmt":"2017-04-03T15:00:38","guid":{"rendered":"http:\/\/www.autodesk.com\/products\/eagle\/blog\/?p=675"},"modified":"2023-09-26T15:07:40","modified_gmt":"2023-09-26T22:07:40","slug":"library-basics-part-1-creating-first-package-autodesk-eagle","status":"publish","type":"post","link":"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/library-basics-part-1-creating-first-package-autodesk-eagle\/","title":{"rendered":"Library Basics Part 1: Creating Your First Package in Autodesk EAGLE"},"content":{"rendered":"<h1><span style=\"font-weight: 400;\">Library Basics Part 1: Creating Your First Package in Autodesk EAGLE<\/span><\/h1>\n<p><span style=\"font-weight: 400;\">Greetings, Pirates, and welcome to the Library Basics Series! If you\u2019re having trouble finding the parts you need in all of the free libraries that come with Autodesk EAGLE, then you\u2019ve come to the right place. Parts form the foundation of all our electronic designs, and by learning to create your own, you\u2019ll level up your engineering skills significantly. But making your personal parts isn\u2019t easy. It requires plenty of patience to become a datasheet detective, and you\u2019ll need an excellent attention to detail to make sure you\u2019ve placed your pads precisely.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Are you up for the challenge?<\/span><\/p>\n<h2>First,\u00a0The Basics<\/h2>\n<p><span style=\"font-weight: 400;\">Just what is a library you ask? Great question! In Autodesk EAGLE, all of the parts that you place on your designs are stored in libraries. These provide an easy way to keep parts organized based on their category. For example, you might have a library for a general category like capacitors. Or specific communities like <a href=\"https:\/\/github.com\/sparkfun\/SparkFun-Eagle-Libraries\">Sparkfun<\/a> have their own dedicated libraries that contain a variety of parts for specific projects.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Libraries and the parts within are connected in a simple hierarchy in Autodesk EAGLE. This makes it easy to understand how everything&#8217;s connected. Here\u2019s how it\u2019s organized:<\/span><\/p>\n<ul>\n<li><b>Libraries. <span style=\"font-weight: 400;\">All of your parts will be stored in your personal library folder in Autodesk EAGLE. Each part will contain a device, symbol, and package.<\/span><\/b><\/li>\n<li><strong>Devices.<\/strong> <span style=\"font-weight: 400;\">Within every library, you\u2019ll have one or multiple devices. These devices include both a schematic symbol and a package in one accessible location. <\/span><\/li>\n<li><strong>Symbols.<\/strong> <span style=\"font-weight: 400;\">Within every device, you\u2019ll have a symbol, which provides a visual representation of a part for use on a schematic.<\/span><\/li>\n<li><strong>Packages.<\/strong> <span style=\"font-weight: 400;\">Within every device, you\u2019ll also have a package, which is the physical representation of a part for use in a PCB layout. <\/span><\/li>\n<\/ul>\n<p><b><\/b><b><\/b><b><\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">When you put all of these pieces together, you\u2019ll get a tree structure that shows off how libraries in Autodesk EAGLE are organized. Check it out below. <\/span><\/p>\n<div id=\"attachment_676\" style=\"width: 603px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-676\" class=\"size-full wp-image-676\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/2017-03-08_14-58-22-1.png\" alt=\"eagle-library-stack\" width=\"593\" height=\"444\" \/><p id=\"caption-attachment-676\" class=\"wp-caption-text\"><em>An easy to follow visual representation of how libraries in Autodesk EAGLE are organized. It all starts at the top!<\/em><\/p><\/div>\n<h3>Creating Your Library<\/h3>\n<p><span style=\"font-weight: 400;\">Now that you understand how libraries work in Autodesk EAGLE, it\u2019s time to make your own! You can skip this step if you already have your personal library folder, otherwise:<\/span><\/p>\n<ol>\n<li><b><span style=\"font-weight: 400;\">Open Autodesk EAGLE, and you\u2019ll be greeted with the <\/span>Control Panel<span style=\"font-weight: 400;\">.<\/span><\/b><\/li>\n<li><span style=\"font-weight: 400;\">Next, select <\/span><strong>File \u00bb New Library<\/strong><span style=\"font-weight: 400;\"> to open your <\/span><strong>Library Window<\/strong><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Before creating any new parts, you need to save your library by selecting <\/span><strong>File \u00bb Save<\/strong><span style=\"font-weight: 400;\"> (or <\/span><strong>Cmd + S<\/strong><span style=\"font-weight: 400;\"> on Mac and <\/span><strong>Ctrl + S<\/strong><span style=\"font-weight: 400;\"> on Windows)<\/span><\/li>\n<li>Now that your library is saved, you just need to activate it. Go back to your <b>Control<\/b> <b>Panel<\/b><span style=\"font-weight: 400;\">, right-click your new library, and select <\/span><b>Use<\/b><span style=\"font-weight: 400;\">. You\u2019ll know if your library is ready to go if it has a green dot next to it in your <\/span><b>Control Panel<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ol>\n<div id=\"attachment_677\" style=\"width: 682px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-677\" class=\"size-full wp-image-677\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/new-library-1.png\" alt=\"new-library\" width=\"672\" height=\"387\" \/><p id=\"caption-attachment-677\" class=\"wp-caption-text\"><em>Your newly created library in the EAGLE Control Panel, with a separate directory for Packages and Symbols, which are empty (for now).<\/em><\/p><\/div>\n<h3>Learn to Love Datasheets<\/h3>\n<p><span style=\"font-weight: 400;\">During part creation, you\u2019ll find that datasheets are your new best friend. Try not to feel overwhelmed when you first open one up. There\u2019s a ton of data, graphs, and specifications within, but you only need to understand one or two pages to get your part creation done.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The component that we\u2019ll be creating in this Library Basics Series is a MOSFET switch from Texas Instruments. <\/span><a href=\"http:\/\/www.ti.com\/lit\/ds\/slusbq6b\/slusbq6b.pdf\"><span style=\"font-weight: 400;\">Here\u2019s the TPS92411 datasheet<\/span><\/a><span style=\"font-weight: 400;\"> that you\u2019ll want to have handy during this guide. When you open this datasheet, you\u2019ll want to go all the way to the bottom and take a look at pages 24 and 25.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ok, now breathe! <\/span><\/p>\n<p><span style=\"font-weight: 400;\">These are the only two pages you need to worry about, ignore everything else! Unless you need some light bedtime reading. <\/span><\/p>\n<h3>A Brief Introduction to Packages<\/h3>\n<p><span style=\"font-weight: 400;\">Packages serve a super important purpose when used on your PCB layout, offering a set of <\/span><b>pads<\/b><span style=\"font-weight: 400;\"> that provide both electrical connectivity and a way to solder parts onto your board. As you can imagine, making sure these pads are placed exactly where they need to be is a necessary challenge; otherwise, you\u2019ll get a board back from manufacturing that doesn\u2019t work! Check out the image below of the package you\u2019ll be creating today. Here are all of the elements that you will start to work with:<\/span><\/p>\n<div id=\"attachment_678\" style=\"width: 567px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-678\" class=\"size-full wp-image-678\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/package-numbered.png\" alt=\"package-numbered\" width=\"557\" height=\"602\" \/><p id=\"caption-attachment-678\" class=\"wp-caption-text\"><em>Here\u2019s the completed package we\u2019ll be making today, an SOT23-5.<\/em><\/p><\/div>\n<p>&nbsp;<\/p>\n<ol>\n<li><b>Pads. <span style=\"font-weight: 400;\">The pads are the red rectangles on this part and are numbered according to your datasheet. When placed on a PCB, each of these pads will be connected to a trace and provide electrical connectivity for a part.<\/span><\/b><\/li>\n<li><strong>Package Dimension<\/strong>. <span style=\"font-weight: 400;\">The package dimension is the rectangular gray outline that you see connecting all of the pads. This outline represents the actual physical dimensions of your part can help during your PCB layout process to see if you\u2019re placing components too close together.<\/span><\/li>\n<li><strong>Silkscreen Outline.<\/strong> <span style=\"font-weight: 400;\">The silkscreen outline is the rectangular yellow lines lying over the gray package dimension lines. While this piece is optional, it helps to provide a visual indicator for your manufacturer when they are assembling parts on your bare board. <\/span><\/li>\n<li><strong>Name and Value<\/strong><span style=\"font-weight: 400;\"><strong>.<\/strong> These text elements are placeholders and will come in handy during your PCB layout stage. As the text suggests, Name will be used to identify the unique name of your part when you place it on your PCB layout, and Value can be utilized for things like labeling the resistance of a resistor, capacitance of a capacitor, etc&#8230;<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><b><\/b><b><\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Just remember, in this step of the process we\u2019re only making a package for our part, nothing else. And keep that datasheet close by, you\u2019re going to need it!<\/span><\/p>\n<h2>Step 1 &#8211; Creating Your New Package<\/h2>\n<p><span style=\"font-weight: 400;\">Alright, time to get rolling with the tutorial part of this guide. The very first step you need to complete is creating a new package in your library. Here\u2019s how:<\/span><\/p>\n<ol>\n<li><b><span style=\"font-weight: 400;\">Open Autodesk EAGLE, and you\u2019ll be greeted with the <\/span>Control Panel<span style=\"font-weight: 400;\">.<\/span><\/b><\/li>\n<li><span style=\"font-weight: 400;\">Select the <\/span><strong>Arrow<\/strong>\u00a0<span style=\"font-weight: 400;\">icon to expand the main <\/span><em><span style=\"font-weight: 400;\">Libraries<\/span><\/em><span style=\"font-weight: 400;\"> and <\/span><em><span style=\"font-weight: 400;\">lbr<\/span><\/em><span style=\"font-weight: 400;\">\u00a0folders, then <strong>right-click<\/strong> your personal library and select <\/span><strong>Open<\/strong><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">This will open your <\/span><strong>Library Window<\/strong><span style=\"font-weight: 400;\">. From here, choose the <\/span><strong>Package<\/strong>\u00a0<span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-679\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/LbrPackage.png\" alt=\"package-icon\" width=\"16\" height=\"16\" \/>\u00a0icon to open the <\/span><strong>Edit Dialog<\/strong><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Next, enter a name for your package in the <\/span><strong>New<\/strong>:<span style=\"font-weight: 400;\"> field and select <\/span><strong>OK<\/strong><span style=\"font-weight: 400;\">. If you\u2019re following our example, then enter \u201cSOT23-5.\u201d<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Select <\/span><strong>Yes<\/strong><span style=\"font-weight: 400;\"> to confirm you want to create the new package. <\/span><\/li>\n<\/ol>\n<p><b><\/b><b><\/b><b><\/b><b><\/b><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Great, so with that complete you now have your first very package added to your personal library and a blank <\/span><b>Package Editor <\/b><span style=\"font-weight: 400;\">should be open as shown below.<\/span><\/p>\n<div id=\"attachment_680\" style=\"width: 1157px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-680\" class=\"size-full wp-image-680\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/package-editor-blank.png\" alt=\"package-editor-blank\" width=\"1147\" height=\"658\" \/><p id=\"caption-attachment-680\" class=\"wp-caption-text\"><em>After adding a package name, you\u2019ll have a new Package Editor ready for you to place pads on.<\/em><\/p><\/div>\n<h2>Step 2 &#8211; Changing Your Grid Size<\/h2>\n<p><span style=\"font-weight: 400;\">Now\u2019s the time to tweak some basic grid settings before you start placing any pads. Changing the grid size will allow you to quickly and precisely place pads according to your datasheet measurements.<\/span><\/p>\n<ol>\n<li><b><span style=\"font-weight: 400;\">Select the <\/span>Grid <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-681\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/Grid.png\" alt=\"grid-icon\" width=\"16\" height=\"16\" \/>\u00a0<span style=\"font-weight: 400;\">icon in the top-left corner of your interface.<\/span><\/b><\/li>\n<li><span style=\"font-weight: 400;\">In the Grid dialog, change your <\/span><strong>Display<\/strong><span style=\"font-weight: 400;\"> from <\/span><strong>Off<\/strong><span style=\"font-weight: 400;\"> to <\/span><strong>On<\/strong><span style=\"font-weight: 400;\"> if it isn\u2019t already enabled. <\/span><\/li>\n<li><span style=\"font-weight: 400;\">Next, change your <\/span><strong>Size<\/strong>:<span style=\"font-weight: 400;\"> from <\/span>inch<span style=\"font-weight: 400;\"> to <\/span>mm<span style=\"font-weight: 400;\">, and enter \u201c0.05\u201d as the value.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Select <\/span><strong>OK<\/strong><span style=\"font-weight: 400;\"> to save your grid settings. <\/span><\/li>\n<\/ol>\n<p><b><\/b><b><\/b><b><\/b><\/p>\n<p>&nbsp;<\/p>\n<div id=\"attachment_682\" style=\"width: 394px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-682\" class=\"size-full wp-image-682\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/grid-settings.png\" alt=\"grid-settings\" width=\"384\" height=\"292\" \/><p id=\"caption-attachment-682\" class=\"wp-caption-text\"><em>Here are the two grid settings you\u2019ll need to change &#8211; Display and Size.<\/em><\/p><\/div>\n<p><span style=\"font-weight: 400;\">After confirming your settings, you might notice that you can\u2019t see your grid in the package editor. It\u2019s not gone! You just need to zoom in a bit with the <\/span><b>Zoom in <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-683\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/ZoomIn.png\" alt=\"zoom-in-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon until it becomes visible again.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That\u2019s all the setup work you need to get the rest of the job done. Let\u2019s dive into the datasheet now and start placing some pads!<\/span><\/p>\n<h2>Step 3 &#8211; Deciphering Your Datasheet<\/h2>\n<p><span style=\"font-weight: 400;\">Alright, time for some datasheet detective work. Open your <\/span><a href=\"http:\/\/www.ti.com\/lit\/ds\/slusbq6b\/slusbq6b.pdf\"><span style=\"font-weight: 400;\">TPS92411 datasheet<\/span><\/a><span style=\"font-weight: 400;\"> and head on down to the Land Pattern Data section on page 25. This page will give you all the information you need to precisely place your pads. Here\u2019s what you need:<\/span><\/p>\n<ul>\n<li><b><b><b>Pad Dimension &#8211;\u00a0<span style=\"font-weight: 400;\">This is the length and width of the pads that you\u2019ll need to create in Autodesk EAGLE. Looking at our datasheet, this is clearly labeled in the bottom-left corner of page 25. It looks like our pad dimension is <\/span>0.6mm x 1.05mm<span style=\"font-weight: 400;\">.<br \/>\n<\/span><\/b><\/b><\/b><\/p>\n<div id=\"attachment_684\" style=\"width: 705px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-684\" class=\"size-full wp-image-684\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-dimensions.png\" alt=\"pad-dimensions\" width=\"695\" height=\"368\" \/><p id=\"caption-attachment-684\" class=\"wp-caption-text\"><em>The pad dimension is easy to find in this datasheet. And we know it\u2019s in millimeters by section A in the Notes.<\/em><\/p><\/div>\n<p><b><br \/>\n<\/b><\/li>\n<li style=\"text-align: left;\"><b><b>Pad Pitch &#8211; <\/b><\/b>The pad pitch is the distance between the two of two pads on both the X and Y axis. Again, your datasheet has this clearly labeled in the top-left corner of page 25, under the label Example Board Layout.<br \/>\nYour pitch:\u00a0<b><b><span style=\"font-weight: 400;\">An X axis pitch of <\/span>1.90mm<span style=\"font-weight: 400;\"> and a Y axis pitch of <\/span>2.7mm.<br \/>\n<\/b><\/b><\/p>\n<div id=\"attachment_685\" style=\"width: 292px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-685\" class=\"size-full wp-image-685\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-pitch.png\" alt=\"pad-pitch\" width=\"282\" height=\"347\" \/><p id=\"caption-attachment-685\" class=\"wp-caption-text\"><em>The pad pitch is always measured from the center of two pads.<\/em><\/p><\/div>\n<p><b><br \/>\n<span style=\"font-weight: 400;\">You\u2019ll also notice there\u2019s a smaller X axis pitch of 0.95mm for the bottom pads, but this won\u2019t be needed since you already have your larger 1.90mm pitc.<br \/>\n<\/span><br \/>\n<\/b><\/li>\n<li><b><b><b>Pad Coordinates &#8211;\u00a0<span style=\"font-weight: 400;\">Now, we will do some basic math to create a kind of coordinate grid system for precise pad placement. Take a look at the image below; we\u2019ve created a basic XY graph with our Example Board Layout image on page 25.<br \/>\n<\/span><\/b><\/b><\/b><\/li>\n<\/ul>\n<div id=\"attachment_686\" style=\"width: 292px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-686\" class=\"size-full wp-image-686\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-graph.png\" alt=\"pad-graph\" width=\"282\" height=\"346\" \/><p id=\"caption-attachment-686\" class=\"wp-caption-text\"><em>You can use the existing pad dimension chart to create an easy to use XY graph for your pad placement.<\/em><\/p><\/div>\n<p><span style=\"font-weight: 400;\">The good news is that you only need to get the coordinate position of one pad and the rest will naturally follow. Let\u2019s start with Pad 4, which is in the top-right corner.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Starting from the origin point on your graph, move along the X axis until you line up with the center of Pad 4 and you\u2019ll be at <\/span><b>0.95mm<\/b><span style=\"font-weight: 400;\">. How would you get this value? By dividing your X axis pitch of 1.90mm in half, which gives you an even 0.95 spread between both the left and right sides of your X axis. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Next, move up on your Y axis and you\u2019ll get to the center of Pad 4 at <\/span><b>1.35mm<\/b><span style=\"font-weight: 400;\">. How would you get this value? Again by dividing your Y axis pitch of 2.7mm in half, which gives you another even 1.35 spread between both the top and bottom sides of your Y axis.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Put those two numbers together, and you now have your X and Y coordinates for Pad 4, which is <\/span><b>(0.95mm, 1.35mm)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Now that you have the coordinates for Pad 4, the rest are super easy to figure out. Here\u2019s what they are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Pin 1<\/b><span style=\"font-weight: 400;\"> (-.95mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pin 2<\/b><span style=\"font-weight: 400;\"> (0mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pin 3<\/b><span style=\"font-weight: 400;\"> (.95mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pin 4<\/b><span style=\"font-weight: 400;\"> (.95mm, 1.35mm)<\/span><\/li>\n<li><b><span style=\"font-weight: 400;\"><strong>Pin 5<\/strong> (-.95mm, 1.35mm)<\/span><br \/>\n<\/b><\/li>\n<\/ul>\n<h2>Step 4 &#8211; Placing Your Pads<\/h2>\n<p><span style=\"font-weight: 400;\">Ok, now you have all of the data that you need to start creating and placing our pads in Autodesk EAGLE. In this step, you\u2019ll just be creating our pads with the Pad Dimension that you found in Step 3. Here\u2019s how:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Pad <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-689\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/Smd.png\" alt=\"smd-pad-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon on the left-hand side of your interface. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">In the <\/span><b>Size:<\/b><span style=\"font-weight: 400;\"> field at the top of your interface, enter \u201c0.6 x 1.05\u201d and press enter on your keyboard to change the pad size. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Lastly, drag your first pad anywhere on your grid, and left-click to place it. Repeat this step 4 times to place five pads in total. <\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">You should now have all five of the pads placed that you\u2019ll need for this part as shown below.<\/span><\/p>\n<div id=\"attachment_688\" style=\"width: 1023px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-688\" class=\"size-full wp-image-688\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-place.png\" alt=\"pad-place\" width=\"1013\" height=\"629\" \/><p id=\"caption-attachment-688\" class=\"wp-caption-text\"><em>The five pads you\u2019ll need for your package. Placement doesn\u2019t matter right now, that happens later!<\/em><\/p><\/div>\n<h2>Step 5 &#8211; Renaming Your Pads<\/h2>\n<p><span style=\"font-weight: 400;\">Before you start positioning your pads, now\u2019s a good time rename them to match your datasheet. To do this:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Name<\/b> <span style=\"font-weight: 400;\">icon on the left-hand side of your interface. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Left-click a pad to open the <\/span><b>Name Dialog<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Enter a name in the <\/span><b>New name:<\/b><span style=\"font-weight: 400;\"> field and press <\/span><b>OK<\/b><span style=\"font-weight: 400;\"> to save your change. <\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">You\u2019ll want to modify the name of each pad from its default P$(1,2,3,4,5) to simply be 1, 2, 3, 4 and 5. Here\u2019s how it should look when you\u2019re done:<\/span><\/p>\n<div id=\"attachment_690\" style=\"width: 1023px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-690\" class=\"size-full wp-image-690\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-naming.png\" alt=\"pad-naming\" width=\"1013\" height=\"633\" \/><p id=\"caption-attachment-690\" class=\"wp-caption-text\"><em>Make sure to rename your pads according to your datasheet, the numbers matter!<\/em><\/p><\/div>\n<h2>Step 6 &#8211; Positioning Your Pads<\/h2>\n<p><span style=\"font-weight: 400;\">Placing your pads will be super easy with a 0.05mm grid and the coordinates that you found in Step 3. It\u2019s important that you place your pads in the order the pins are presented in your datasheet, check it out below. <\/span><\/p>\n<div id=\"attachment_691\" style=\"width: 344px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-691\" class=\"wp-image-691 size-full\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pin-numbers.png\" alt=\"pin-numbers\" width=\"334\" height=\"246\" \/><p id=\"caption-attachment-691\" class=\"wp-caption-text\"><em>Here you can see the counterclockwise pin numbering from 1-5, which your pad placement needs to match.<\/em><\/p><\/div>\n<p><span style=\"font-weight: 400;\">So we\u2019ve got pins 1, 2 and 3 on the bottom, and pins 4 and 5 on the top. It all flows in a counterclockwise direction. And here again are the coordinates you\u2019ll need for this task:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Pad 1<\/b><span style=\"font-weight: 400;\"> (-.95mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pad 2<\/b><span style=\"font-weight: 400;\"> (0mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pad 3<\/b><span style=\"font-weight: 400;\"> (.95mm, -1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pad 4<\/b><span style=\"font-weight: 400;\"> (.95mm, 1.35mm)<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Pad 5<\/b><span style=\"font-weight: 400;\"> (-.95mm, 1.35mm)<\/span><\/li>\n<\/ul>\n<p>Let\u2019s place Pad 4 first, and we\u2019ll leave you to do the rest. Here\u2019s how:<\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Move <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-465\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/02\/Move.png\" alt=\"move-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon, and then <\/span><b>Cmd<\/b><span style=\"font-weight: 400;\"> (Mac) or <\/span><b>Ctrl<\/b><span style=\"font-weight: 400;\"> (Windows) + left-click Pad 4. This should snap the pad\u2019s center to your cursor regardless of where you move it. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Next, move Pad 4 right along the X axis from the origin point until the coordinates in the top-left of your interface reads <\/span><b>(0.95 0.00)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Then move Pad 4 up along the Y axis until the coordinates read <\/span><b>(0.95 1.35)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Lastly, left-click to confirm the placement of Pad 4. <\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">You can follow this same process to place all of the pads, following the X and Y coordinates for each that are listed above. When you finish, your pads should be placed similarly to ours below.<\/span><\/p>\n<div id=\"attachment_693\" style=\"width: 1048px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-693\" class=\"size-full wp-image-693\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-placement.png\" alt=\"pad-placement\" width=\"1038\" height=\"712\" \/><p id=\"caption-attachment-693\" class=\"wp-caption-text\"><em>Our pads placed in relation to our center origin. Remember to place each pad in relation to the pin on your datasheet.<\/em><\/p><\/div>\n<h2>It\u2019s Half Time<\/h2>\n<p><span style=\"font-weight: 400;\">Congratulations! You just completed the most important step in creating a new package, the precise placement of your pads. Now that you know your pads are in the right location, you won\u2019t have any trouble soldering parts onto your board. At this point, your job could be considered done, but we need to add a few bits of information to make this package readable not only for machines but for humans as well.<\/span><\/p>\n<h2>Step 7 &#8211; Adding Your Origin Point<\/h2>\n<p><span style=\"font-weight: 400;\">You\u2019ll need to add an origin point to Pad 1 so that your manufacturer knows the correct way to orient your part during assembly. Here\u2019s how to do this:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Circle <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-694\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/Circle.png\" alt=\"circle-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon on the left-hand side of your interface. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Width:<\/b><span style=\"font-weight: 400;\"> dropdown at the top of your interface and select <\/span><b>0<\/b><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Layer<\/b><span style=\"font-weight: 400;\"> dropdown at the top of your interface and select layer <\/span><b>21 tPlace<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Left-click<\/strong> in the bottom-left corner of Pad 1 and drag your cursor to the right to adjust the size of your circle. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Left-click<\/strong> again to confirm the size of your circle and place it. <\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">The size of your origin point is totally up to you. All that\u2019s important is that it\u2019s on Pin 1 so your manufacturer knows how to orient your part. If you need to move your origin point, use the <\/span><b>Move\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-465\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/02\/Move.png\" alt=\"move-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">tool. <\/span><\/p>\n<div id=\"attachment_695\" style=\"width: 1097px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-695\" class=\"size-full wp-image-695\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/origin-point.png\" alt=\"origin-point\" width=\"1087\" height=\"711\" \/><p id=\"caption-attachment-695\" class=\"wp-caption-text\"><em>A quick origin point added to Pad 1; now our manufacturer will know the orientation of our part.<\/em><\/p><\/div>\n<h2>Step 8 &#8211; Adding Your Package Dimension<\/h2>\n<p><span style=\"font-weight: 400;\">You now need to add a package dimension, which will help you to see if your parts are placed too close together on your PCB layout. This process again requires some brief datasheet detective work. Let\u2019s look at the Mechanical Data section on page 24 of your <\/span><a href=\"http:\/\/www.ti.com\/lit\/ds\/slusbq6b\/slusbq6b.pdf\"><span style=\"font-weight: 400;\">TPS92411 datasheet<\/span><\/a><span style=\"font-weight: 400;\">. There are four images on this page, but all you need to be concerned with is the one in the top-left corner.<\/span><\/p>\n<div id=\"attachment_691\" style=\"width: 344px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-691\" class=\"wp-image-691 size-full\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pin-numbers.png\" alt=\"pin-numbers\" width=\"334\" height=\"246\" \/><p id=\"caption-attachment-691\" class=\"wp-caption-text\"><em>The package outline has all the data we need to determine our package dimension.<\/em><\/p><\/div>\n<p><span style=\"font-weight: 400;\">This image shows you the exact physical dimensions of your part as it will appear in physical form. Most package dimensions come with tolerance, which is why there\u2019s a fraction looking number for each dimension measurement. The top number is the maximum value, and the bottom is the minimum value. What value you choose is up to you. In our example we\u2019ll just take the middle value for both, which ends up being:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A package length of <\/span><b>2.9mm<\/b><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A package width of <\/span><b>1.6mm<\/b><\/li>\n<\/ul>\n<p>And now that you have your length and width, creating a package dimension in Autodesk EAGLE is easy. Here\u2019s how:<\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <strong>Line<\/strong><\/span><b>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-476\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/02\/Wire.png\" alt=\"wire-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon on the left-hand side of your interface.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Layer<\/b><span style=\"font-weight: 400;\"> dropdown at the top of your interface and choose layer <\/span><b>51 tDocu<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Width<\/b><span style=\"font-weight: 400;\"> dropdown and change your width to <\/span><b>0.127<\/b><span style=\"font-weight: 400;\"> if it\u2019s set at 0. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Next, Move your cursor on the grid until you find your starting point at <\/span><b>(1.45 0.8)<\/b><span style=\"font-weight: 400;\"> and left-click to begin drawing your wire. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Complete the outline of your package dimension following these coordinates:<\/span>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">(1.45 -0.8)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">(-1.45 -0.8)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">(-1.45 0.8)<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">And back to your starting point at (1.45 0.8)<\/span><\/li>\n<\/ol>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Press <\/span><b>Esc<\/b><span style=\"font-weight: 400;\"> on your keyboard to exit wiring mode. <\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">When complete, your package dimension should look like ours below.<\/span><\/p>\n<div id=\"attachment_696\" style=\"width: 1097px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-696\" class=\"size-full wp-image-696\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/package-dimension.png\" alt=\"package-dimension\" width=\"1087\" height=\"707\" \/><p id=\"caption-attachment-696\" class=\"wp-caption-text\"><em>A completed package dimension will make it easy to spot overlapping components on your PCB layout.<\/em><\/p><\/div>\n<h2>Step 9 &#8211; Adding Your Silkscreen Outline<\/h2>\n<p><span style=\"font-weight: 400;\">Now you just need to add a silkscreen outline, which is a helpful way to tell your manufacturer where your part will be placed. Here\u2019s how to do it:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Wire\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-476\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/02\/Wire.png\" alt=\"wire-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">on the left-hand side of your interface.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Layer<\/b><span style=\"font-weight: 400;\"> dropdown at the top of your interface and choose layer <\/span><b>21 tPlace<\/b><span style=\"font-weight: 400;\">. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">You now need to draw three silkscreen wires on top of your package dimensions &#8211; one on the left side of your package, one on the right, and one in between pins 4 and 5. To do this, left-click on top of your existing package dimension, drag until you reach your ending point, and left-click again to place the wire.<\/span><\/li>\n<\/ol>\n<div id=\"attachment_697\" style=\"width: 1097px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-697\" class=\"size-full wp-image-697\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/silkscreen-outline.png\" alt=\"silkscreen-outline\" width=\"1087\" height=\"707\" \/><p id=\"caption-attachment-697\" class=\"wp-caption-text\"><em>Silkscreen outline with the grid and Layer 51 turned off so you can see how it will look on your PCB layout.<\/em><\/p><\/div>\n<h2>Step 10 &#8211; Adding Your Name and Value Placeholders<\/h2>\n<p><span style=\"font-weight: 400;\">Alright, time to finish this up! The last thing you need to add is both a name and value placeholder to your package. This will allow EAGLE to create a unique identifier for each and every part on your PCB layout, making it easy to reference specific parts if you need to make changes down the road. Let\u2019s do it:<\/span><\/p>\n<ol>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Select the <\/span><b>Text <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-698\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/Text.png\" alt=\"text-icon\" width=\"16\" height=\"16\" \/>\u00a0<\/b><span style=\"font-weight: 400;\">icon on the left-hand side of your interface. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">In the <\/span><b>Text Dialog<\/b><span style=\"font-weight: 400;\">, enter \u201c&gt;NAME\u201d in the <\/span><b>Enter text:<\/b><span style=\"font-weight: 400;\"> field and select <\/span><b>OK<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Next, select the <\/span><b>Layers<\/b><span style=\"font-weight: 400;\"> dropdown at the top of your interface and choose layer <\/span><b>25 tNames<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Optional: <span style=\"font-weight: 400;\">If the text size is too big for your liking, select the <\/span>Size:<span style=\"font-weight: 400;\"> dropdown at the top of your interface and choose a new size.<\/span><\/b><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">And now drag your &gt;NAME text over the top of your package and left-click to place it. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Press <\/span><b>Esc<\/b><span style=\"font-weight: 400;\"> to exit text placement mode. <\/span><\/li>\n<\/ol>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">You\u2019ll know that you put your &gt;NAME text on the right layer if it displays in a gray colored font. Go ahead and repeat the steps above, this substituting &gt;NAME for &gt;VALUE on layer <\/span><b>27 tValues<\/b><span style=\"font-weight: 400;\"> and place it on the bottom of your package. \u00a0Here\u2019s how your completed package should look:<\/span><\/p>\n<div id=\"attachment_699\" style=\"width: 1061px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-699\" class=\"size-full wp-image-699\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/eagle\/2017\/03\/pad-name-value.png\" alt=\"pad-name-value\" width=\"1051\" height=\"712\" \/><p id=\"caption-attachment-699\" class=\"wp-caption-text\"><em>At last, you\u2019re done! This is how your completed package should look with its new name and value placeholders.<\/em><\/p><\/div>\n<h2>Nicely Done<\/h2>\n<p><span style=\"font-weight: 400;\">That X marks the spot, you have successfully created your first package! This process required a ton of steps, and for good reason, it\u2019s the most important process of your entire part creation workflow. The remaining parts in this Libraries Basics Series deal with the final two steps of part creation:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">In <\/span><b>Library Basics Part 2<\/b><span style=\"font-weight: 400;\">, you\u2019ll learn how to create your very first symbol, which is used on a schematic.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">In <\/span><b>Library Basics Part 3<\/b><span style=\"font-weight: 400;\">, you\u2019ll learn how to bring both your packages and symbols together in a device. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Hopefully you won&#8217;t have to do this too part creation journey many times, as you\u2019re bound to find the parts you need in all of the <\/span><a href=\"http:\/\/eagle.autodesk.com\/eagle\/libraries\"><span style=\"font-weight: 400;\">free libraries that ship with Autodesk EAGLE<\/span><\/a><span style=\"font-weight: 400;\">. But if not, then at least you know how! See you next time Library Pirates, and nicely done.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ahoy there Library Pirates! Did your ship run ashore trying to find the part you need in the free EAGLE libraries? No worries, you can always make your own! Read on to find out how to create your first package in Autodesk EAGLE. <\/p>\n","protected":false},"author":2425,"featured_media":440,"menu_order":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[434],"tags":[],"coauthors":[],"class_list":["post-675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eagle","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Library Basics Part 1: Creating Packages | EAGLE | Blog<\/title>\n<meta name=\"description\" content=\"Learn how to create a package for SMD and through-hole components in an Autodesk EAGLE part library.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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