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Functional Safety 

Robustness, reliability and safety of end-products is becoming ever more important. In some application segments these requirements are formalized and mandatory, while in others this is implemented to differentiate the product, and take the step from a good product to an excellent product.

The standards for functional safety depend on the market that is targeted. Many standards support multiple levels of rigorousness, which are applied depending on the likelihood and severity of the hazard. The methods of addressing hazards range from detecting single failures and putting the system into a safe state, to full redundancy where failures should not only be detected but also corrected without any interruption or degradation of service.

STANDARD MARKETS
IEC 60730
Levels: A, B, C
Equipment for household, such as controls for heating, air conditioning. The equipment may use electricity, gas, oil, solid fuel, solar thermal energy.
IEC 61508 (SIL)
Levels: 1, 2, 3, 4
Active safety systems such as fire suppression systems, switches in a tank containing flammable liquids.
ISO 26262 (ASIL)
Levels: A, B, C, D
 Automotive vehicles up to 3500 kg
IEC 62304
 
 For medical software and software in medical devices
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We are here to support you. Contact our Client Success Team to get assistance with the functional safety requirements of your design.

Email Us for Support
 

In addition to describing what must be tested and to what extent, the standards may also mandate development methods. This may include using qualified development tools. For microcontroller-based applications, one of the tools to be qualified is the C-compiler. Microchip and partners of Microchip offer compilers that are qualified, with some being certified by a Munich-based certification organization, TÜV SÜD.

VENDOR/PRODUCT QUALIFICATION
Microchip XC8 Compiler ISO 26262, IEC 61508, IEC 62304 and IEC 60730
Microchip XC16 Compiler ISO 26262, IEC 61508, IEC 62304 and IEC 60730
Microchip XC32 Compiler ISO 26262, IEC 61508, IEC 62304 and IEC 60730
IAR Embedded Workbench for Arm ISO 26262, IEC 61508, IEC 62304 and IEC 60730
 
Microchip offers a number of products that enable system-level compliance to functional safety. This means that they have integrated features, qualified test libraries, safety manuals, and FMEDA reports, depending on the standard and the level of safety they support. All these items make it easier to develop applications that conform to the functional safety standards, and thereby reduce the work and cost of the final product compliance.
 
Class B Library Yes Yes Yes
SIL [lvl] Library Yes
ASIL [lvl] Library
AutoSAR/MCAL Yes Yes
Application Notes Yes Yes Yes
Safety Manual Available upon Request
Contact your local sales representative
Available upon Request
Contact your local sales representative
Available upon request
Contact your local sales representative
FMEDA representativeorts Available uponRrequest
Contact your local sales representative
Available upon Request
Contact your local sales representative
Available upon request
Contact your local sales representative
Capacitive Touch Libraries* Available upon request
Contact your local sales representative
Yes
Safety-Qualified Compilers XC8 XC16 XC32
Code Coverage Tools
 
Available from MPLAB Code Coverage or third-party tools from vendors such as LDRA
   

*There are turnkey Capacitive Touch controllers available, such as the AT42QT1481

INTERFACE AND CONNECTIVITY PRODUCTS CAN AND CAN FD DEVICES LIN DEVICES
AutoSAR/MCAL Yes Yes
Safety Manual Yes Yes
FMEDA Reports Yes Yes

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