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What is ISO 26262

Ensuring safety in modern vehicles is more critical than ever. ISO 26262 plays a vital role in maintaining functional safety across the automotive industry. But what exactly is ISO 26262, and why does it matter? This guide will provide a detailed understanding of ISO 26262, its importance, and how it’s implemented in vehicle safety.

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ISO 26262 roadmap:

ISO 26262 Deliverables Technical

  • MISRA, CERT-C and Cyclomatic Complexity Analysis and Fix
  • Code Coverage Assurance by Unit Tests
  • Architecture Design (Including Software Requirements)
  • Safety Software Requirements
  • Technical Safety Requirements
  • Software Detailed Design
  • Software Dependent Failure Analysis

Documentation

  • Safety Plan
  • Software Safety Analysis Report
  • Development Plan
  • User manual update to meet Safety Standards
  • Integration Test Specification Manual
  • Traceability Metrics

Understanding

ISO 26262

History and Evolution

ISO 26262 originated from IEC 61508, a general functional safety standard. Developed to meet the needs of the automotive industry, it was first published in 2011 and revised in 2018.

Key Objectives
  • Prevent hazardous malfunctions in vehicles
  • Establish a risk-based approach to safety
  • Define safety lifecycle for automotive systems
ISO 26262 Standards Breakdown

ISO 26262 is divided into multiple parts, covering terminology, safety management, system and hardware development, software development, and more.

Key Sections

Part 1: Vocabulary and Definitions

Part 2: Management of Functional Safety

Parts 3-7: System, Hardware, and Software Development

Parts 8-9: Supporting Processes and Safety Assurance Levels

ISO 26262 and ASIL-B Compliance

ISO 26262 is the international standard governing functional safety in road vehicles. To meet ASIL-B compliance, companies must:

  • Conduct hazard analysis and risk assessments.
  • Implement appropriate safety mechanisms.
  • Ensure system validation and verification through rigorous testing.

Experience Summary

1000

Global Customers

500

Protocol Stacks

300

CAN Device Drivers

75

Flash Bootloaders

60

Microcontrollers & DSPs

10

Real Time Operating Systems

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