IEC 62969-4:2018 PDF

Name: IEC 62969-4:2018 — Semiconductor devices - Semiconductor interface for automotive vehicles - Part 4: Evaluation method of data interface for automotive vehicle sensors
SKU: IEC 62969-4:2018
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Semiconductor devices - Semiconductor interface for automotive vehicles - Part 4: Evaluation method of data interface for automotive vehicle sensors

Название (английский):

IEC 62969-4:2018

Semiconductor devices - Semiconductor interface for automotive vehicles - Part 4: Evaluation method of data interface for automotive vehicle sensors

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 39
Дата публикации:: 18 июня 2018 г.
Издание:: IEC IS 62969 edition 1 version 1
ICS:: 31.080.99

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Описание (английский):

IEC 62969-4:2018 specifies a method of directly fault injection test for automotive semiconductor sensor interface that can be used to support the conformance assurance in the vehicle communications interface.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 62969-4:2018 is an international standard published by the International Electrotechnical Commission (IEC) that defines the evaluation method of data interfaces for automotive vehicle sensors. It specifically focuses on fault injection testing as a means to assess the robustness and conformance of semiconductor sensor interfaces used in automotive communication systems. The document is part of the IEC 62969 series, which addresses semiconductor devices and their interfaces tailored for automotive applications.

This standard plays a crucial role in enhancing vehicle sensor reliability by providing a structured method to simulate faults and disturbances on sensor data lines, enabling manufacturers to validate sensor data communication integrity under various fault conditions. As automotive vehicles become more connected and sensor-dependent, ensuring robust sensor data interfaces is essential for overall vehicle safety and performance.

Key Topics

Fault Injection Testing IEC 62969-4:2018 specifies a method for directly injecting faults into the data interfaces of automotive semiconductor sensors to evaluate sensor communication resilience. Fault injection improves testing coverage by simulating realistic electrical disturbances.

Data Interface Evaluation The standard details the setup for evaluation tests, including block diagrams, test conditions, and configurations for fault injection in data interfaces between sensors and vehicle Electronic Control Units (ECUs).

Disturbance Conditions and Types The document covers various disturbances that can impact sensor interfaces such as:

Variable impedance and crosstalk (both direct and diagonal)
Short circuits and breaks in data lines
Overwrite and disturbing signals injected to sensor data lines

Conformance Assurance This test method supports automotive manufacturers and suppliers in achieving conformance with vehicle communication interface standards, ensuring interoperability and safety.

Technical Definitions Critical terminology defined includes:

Data Interface: Electrical data transfer from sensors to ECUs via cables or wireless methods.
Fault Injection: Testing approach injecting faults purposely to assess device behavior.
Disturbance: Temporary environmental or electrical changes that cause faults.
Crosstalk: Undesired signal coupling between data lines.

Applications

Automotive Sensor Interface Testing Applicable in the development and validation stages for semiconductor devices interfacing automotive sensors. Engineers use the methods to test the sensor communication links under fault conditions, improving reliability and safety compliance.

Conformance and Compliance Verification Supports automotive OEMs and semiconductor suppliers in demonstrating product adherence to communication interface requirements within vehicles.

Fault-Tolerant Automotive Design Helps design robust sensor interfaces by identifying vulnerabilities to faults such as signal interference, short circuits, and data line disruptions.

Automotive Communication Systems Relevant where sensor data communication protocols like SPI (Serial Peripheral Interface), I2C (Inter-Integrated Circuit), SCI (Serial Communication Interface), and other automotive bus systems are used.

Related Standards

IEC 62969 Series

Part 1: General requirements for power interfaces of automotive sensors
Part 2: Efficiency evaluation methods for wireless power transfer in automotive sensors
Part 3: Shock-driven piezoelectric energy harvesting for automotive vehicle sensors

IEC 60050 – International Electrotechnical Vocabulary, providing definitions relevant to terms used in semiconductor and automotive sensor domains.

IEC 60050-722:1992 – Definitions related to crosstalk and disturbances on communication lines.

IEC 60050-442:1998 – Definitions relating to Electronic Control Units used in automotive vehicles.

By following IEC 62969-4:2018, automotive manufacturers and semiconductor developers can ensure rigorous, standardized evaluation of sensor data interfaces for enhanced safety, reliability, and performance in vehicle systems. It is an essential reference for engineers working on automotive sensor communication protocols, fault tolerance, and compliance testing.

IEC 62969-4:2018 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

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