OrCAD Library Builder Overview Presentation

OrCAD Library Builder

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Topics

PCB Library Creation

Library Creation Challenges

OrCAD Library Builder Key Features & Benefits

Summary

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• Libraries are the building blocks for modern PCB design– Everyone needs them

• Since they are base elements for the design errors can be very costly

• When done right they provide great time savings and reuse opportunities

• Part complexity is increasing as pin counts rise and devices become more configurable

PCB Library Creation

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• Group of librarians manage part requests

• Company may be standardized on single CAD tool

• Library standards are strictly enforced

• Rigorous QA process is applied

Scenario 1: More Requests…Less PeopleHistorical – Librarian Group

PCB Librarian Team

Design Group 4

Design Group 3

Design Group 2

Design Group 1

Part Requests

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• Less librarians for more designers (possibly globally dispersed)

• Company uses multiple CAD tools due to acquisitions

• Multiple library standards exist

• Timely QA is becoming more difficult due to increased part requests

• Engineering is asking for 3D models as well as symbols and footprints

• Part complexity is increasing

Scenario 1: More Requests…Less PeopleCurrent – More library requests less librarians

PCB Librarian

Part Requests

How do we do more with less manpower?

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• Long part lead times lead to production delays

• Engineers start building their own individual libraries introducing numerous sources for error and inconsistency

• Duplication of effort as librarian is required to re-create the same part for multiple CAD environments

• Lack of 3D modeling capabilities at the ECAD level result in ECAD / MCAD integration issues and increased development cycles

Scenario 1: Resulting Business Issues

“Even a mistake as small as missing a single pin is $3,000-$6,000 if we don’t catch it.”

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• Librarians build symbols & footprints as needed

• Enforce and define company standards

• Performs QA on parts

• Keeps engineering productive with accurate libraries

Scenario 2: More Tasks…Less Time

PCB Librarian

PCB Design Team

Historical Design Flow – PCB Librarian

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• Librarian functions have been absorbed by PCB design team

• Engineers are responsible for building their own libraries

• QA and standards are often not generally enforced (no time)

Scenario 2: More Tasks…Less TimeCurrent Design Environment

Overwhelmed PCB Design Team

• Build Symbols• Build Footprints

• Manage shared library

• QA parts• Establish and

enforce library standards

Added Tasks

How do we do more with less manpower?

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• Inconsistencies in library symbol graphics as the result of multiple engineers’ independent styling• Makes debug and reuse very difficult

• Engineers spending time creating libraries takes away from design time

• No formal QA process means library errors are discovered far downstream• When the $$ to change is high

• Lack of 3D modeling capabilities at the ECAD level result in ECAD / MCAD integration issues and increased development cycles

Scenario 2: Resulting Business Issues

“Even a mistake as small as missing a single pin is $3,000-$6,000 if we don’t catch it.”

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• Automated Library Creation Environment

Introducing OrCAD Library BuilderAutomated Library Development

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Online Search Find Datasheet Copy / Paste Pin outs into Excel

Format Pin Data in Excel

Copy / Paste Pin data into CAD

tool

Format Data in CAD tool

Manually Inspect Part

Manually Check against Footprint

(if available)Competed Part

Typical New Symbol Creation Flow

Too many manual steps lead to long completion times and errors

ManualManual

Manual

Manual

Manual

Manual

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Online Search Find Datasheet

Intelligent Data Extraction Into OrCAD Library

Builder w/ Automated Data Formatting

Automated verification and

checks ensure first pass success

Completed Part

OrCAD Library Builder Flow

Automated

Automated

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Online Search Find Datasheet

Intelligent Data Extraction Into OrCAD Library

Builder w/ Automated Data Formatting

Assign Fractures and check symbol

correctness (against footprint)

Select Desired CAD output Place part

OrCAD Library Builder Flow

Automated

Automated

“I was doing a 48 pin symbol from scratch, that probably used to take me 10 -12 minutes. With OrCAD library Builder it took about 2 minutes”

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• Intelligent PDF extraction technology for fast accurate symbol creation

• Can pull component data from common datasheet sources– Pin tables– BGA maps– Pin diagrams

• Eliminate transcription errors with automated data extraction

Capabilities – Intelligent PDF Extraction

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• Support for IPC – 7351 specification ensures effective handoff with manufacturers

• Define corporate symbol templates to promote consistency across symbol libraries and enable reuse

Capabilities – Standards Based Design

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• Comprehensive library of footprints

• Simple calculator based interface

• Associative editing enables quick on the fly adjustments

• Extensive pad support– D-shape, oblong, rectangular, and

custom

Capabilities – Fast Accurate Footprints

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• Error checks done throughout the library creation process

• Checks include– Symbol validation– Footprint validation– Symbol vs. Footprint

• Ensure symbols and footprints are correct as part of the design process

Capabilities – Automated Error Checking

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• 3D models can be generated as part of the footprint creation process

• Realistic 3D models (not simple extrusions)

• 3D models will automatically be associated and oriented with footprint for in OrCAD PCB Editor

• Enable early mechanical fit analysis and collaboration

Capabilities – 3D Model Creation

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• Automate your library creation process with OrCAD Library Builder

• Avoid errors with comprehensive error checking during the library creation process

• Template and IPC standard support ensure consistency and prevents manufacturing issues downstream

• Simple yet customizable interface makes it equally effective for individual engineers and PCB librarians

• 3D model generation enables early and effective ECAD / MCAD Collaboration

OrCAD Library Builder - Summary

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