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TLIN1431-Q1Functional Safety Analysis Report Summary
SFFS339
December 2022
TLIN1431-Q1
CONTENTS
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TLIN1431-Q1Functional Safety Analysis Report Summary
Trademarks
1
Introduction
2
Hardware Component Failure Modes Effects and Diagnostics Analysis (FMEDA)
2.1
Random Fault Estimation
2.1.1
Fault Rate Estimation Theory for Packaging
2.1.2
Fault Estimation Theory for Silicon Permanent Faults
2.1.3
Fault Estimation Theory for Silicon Transient Faults
2.1.4
The Classification of Failure Categories and Calculation
3
Using the FMEDA Spreadsheet Tool
3.1
Mission Profile Tailoring Tab
3.1.1
Geographical Location
3.1.2
Life Cycle
3.1.3
Use Case Thermal Management Control (Theta-Ja) and Use Case Power
3.1.4
Safe vs Non-Safe (Safe Fail Fraction) for Each Component Type
3.1.5
Analog FIT Distribution Method
3.1.6
Operational Profile
3.2
Pin Level Tailoring Tab
3.3
Function and Diag Tailoring Tab
3.4
Diagnostic Coverage Tab
3.5
Customer Defined Diagnostics Tab
3.6
Totals - ISO26262 Tab
3.7
Details - ISO26262 Tab
3.8
Example Calculation of Metrics
3.8.1
Assumptions of Use for Calculation of Safety Metrics
3.8.2
Summary of ISO 26262 Safety Metrics at Device Level
IMPORTANT NOTICE
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FUNCTIONAL SAFETY FIT RATE, FMD AND PIN-FMA
TLIN1431-Q1Functional Safety Analysis Report Summary
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