Functional Safety Manual for TCAN1164-Q1
- SFFS138 December 2021 TCAN1164-Q1

Functional Safety Manual for TCAN1164-Q1

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IMPORTANT NOTICE

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FUNCTIONAL SAFETY MANUAL

Functional Safety Manual for TCAN1164-Q1

1 Introduction

This document is a functional safety manual for the Texas Instruments TCAN1164-Q1 component. The specific orderable part numbers supported by this functional safety manual are as follows:

[TCAN1164-Q1] (Orderable Part #: TCAN1164DMTRQ1)
[TCAN1164T-Q1] (Orderable Part #: TCAN1164TDMTRQ1)

Note: In this document, the TCAN1164-Q1 refers to both the TCAN1164-Q1 and the TCAN1164T-Q1. The difference between these devices is listed in Table 1-1.

Table 1-1 Devices Differences

Device	Maximum Speed	VeLIO⁽¹⁾
TCAN1164-Q1	8 Mbps	No
TCAN1164T-Q1	5 Mbps	Yes

This functional safety manual provides information needed by system developers to help in the creation of a functional safety system using a TCAN1164-Q1 component. This document includes:

An overview of the component architecture
An overview of the development process used to decrease the probability of systematic failures
An overview of the functional safety architecture for management of random failures
The details of architecture partitions and implemented functional safety mechanisms

The following information is documented in the [Functional Safety Analysis Report] and is not repeated in this document:

Summary of failure rates (FIT) of the component
Summary of functional safety metrics of the hardware component for targeted standards (for example IEC 61508, ISO 26262, and so forth)
Quantitative functional safety analysis (also known as FMEDA, Failure Modes, Effects, and Diagnostics Analysis) with detail of the different parts of the component, allowing for customized application of functional safety mechanisms
Assumptions used in the calculation of functional safety metrics

The following information is documented in the [Functional Safety Report], and is not repeated in this document:

Results of assessments of compliance to targeted standards

The user of this document should have a general familiarity with the TCAN1164-Q1 component. For more information, refer to the data sheet. This document is intended to be used in conjunction with the pertinent data sheets, technical reference manuals, and other component documentation.

For information that is beyond the scope of the listed deliverables, contact your TI sales representative or go to http://www.ti.com/technologies/functional-safety/overview.html.

Trademarks

TI E2E is a trademark of Texas Instruments.

All trademarks are the property of their respective owners.

2 TCAN1164-Q1 Hardware Component Functional Safety Capability

This section summarizes the component functional safety capability.

This hardware component:

Was not developed according to the requirements of any functional safety standard.
FIT rates and failure mode distributions are provided as part of the Functional Safety Analysis Report for custromers to calculate random fault integrity metrics.
Recommendations are provided in this Functional Safety Manual for external safety mechanisms that may provide coverage for component failure modes.
TI recommends that this component is integrated into the system through the strategy of "evaluation of hardware element" (ISO 26262-8:2018 clause 13).