Creating and Editing a Custom Footprint

PartQuest Portal Subscription: Essential tier

You use the Footprint Creator wizard to create or edit a custom footprint when a PartQuest Portal part footprint does not already exist or you want a different footprint. The wizard steps you through the process of specifying part package information and provides a top-down 2D representation of the part package and terminals as you specify the details.

Tip

If the part information display of a part list includes a footprint icon (), a footprint exists for the part.

An alternative to creating a custom footprint is to request a footprint from a symbol/footprint provider.

Prerequisites

You have logged into the PartQuest Portal website with your Siemens account. See “Signing In to the PartQuest Portal Application”.
You have detailed package information from the part manufacturer. Package information is usually provided in the manufacturer datasheet or packaging specifications document. You can use the PartQuest Portal application to find parts and related datasheets.

Tip
If a package dimension is not provided by a part datasheet, do not specify the dimension in the Footprint Creator wizard. The wizard calculates dimensions and applies the rules of the JESD 30H and JEP30-P100 standards for electronic device package descriptions automatically. Input only data that is provided by the manufacturer.

Procedure

Use one of the following methods to start the Footprint Creator wizard:

If you want to...	Do the following...
Start from a part list	From a part list, expand one of the part descriptions by clicking the More button, and then click Choose Footprint. From the Choose Footprint dialog box, click Create Footprint.
Start from the My Footprints page	Do either of the following: To create a new footprint, click Create Footprint. Tip Start the wizard this way only if you don’t want to associate the new footprint with a part. To edit an existing footprint, from the footprint list, click the Edit button ().
Start from the home page	Tip Start the wizard this way only if you don’t want to associate the new footprint with a part. Click Create Footprint. The My Footprints page opens. Click Create Footprint.

If you want to...

Do the following...

Start from a part list

From a part list, expand one of the part descriptions by clicking the More button, and then click Choose Footprint.
From the Choose Footprint dialog box, click Create Footprint.

Start from the My Footprints page

Do either of the following:

To create a new footprint, click Create Footprint.

Tip
Start the wizard this way only if you don’t want to associate the new footprint with a part.
To edit an existing footprint, from the footprint list, click the Edit button ().

Start from the home page

Tip

Start the wizard this way only if you don’t want to associate the new footprint with a part.

Click Create Footprint.

The My Footprints page opens.
Click Create Footprint.

The Footprint Creator wizard Package Outline page appears.

From any page of the wizard, perform any of the following:

If you want to...	Do the following...
View the definition of a footprint term	Click the information icon () to display a cross reference to one of the following: The JEDEC standard, JESD30I: Descriptive Designation System for Electronic-device Packages. The JEDEC publication, JEP30-P100.01: Part Model Package Guidelines for Electronic-Device Packages - XML Requirements. The IPC standard, IPC-7351B: Generic Requirements for Surface Mount Design and Land Pattern Design.
Edit the footprint name	From the top of the page, click Edit. Choose the suggested name, or type a name into the Custom field. Click Ok.
View the component datasheet	If the footprint is associated with a Digi-Key part, the manufacturer and part number appears at the top of the page, with an Adobe icon (). Click the Adobe icon () to open the component datasheet.
Open a wizard page	If the prerequisites have been met for a page, you can open it by clicking Package Outline, Terminals, Details, or Validate from the top of the page.
Change the 2D package preview	From the right panel, do any of the following: Zoom in by rolling the mouse wheel up. Zoom out by rolling the mouse wheel down. Pan the preview by pressing the Shift key and then dragging the mouse. Reset the preview to the default zoom scale by clicking Reset Preview. The preview updates as you specify the package outline dimensions and terminal numbers, as described in the remaining steps.
Reset the footprint specification	Click Reset Part.

Choose the package type and dimensions.

See “Specifying the Package Outline”.
Choose the package terminal type and dimensions.

See “Specifying Terminals”.
Choose the terminal numbering pattern and package body details.

See “Specifying Terminal Numbering and Package Material”.
Validate the package footprint calculation.

See “Validating a Custom Footprint”.

Results

The wizard generates a footprint based on the package and terminal options that you specified. You are ready to either to create a symbol for the part, or if you already have a symbol and the terminal mappings are valid, you are ready to download the footprint.