Allegro MicroSystems A²-SIL™

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The International Organization for Standardization (ISO) released a safety standard in 2011 to comply with needs specific to the application sector of electrical/electronic (E/E) systems within road vehicles* designated as: ISO 26262: Road Vehicles – Functional Safety.  Auto makers worldwide are beginning to require that electronic safety systems and their components are developed in compliance with this state-of-the-art standard.

With the increased use of technologically complex electronics in automotive safety systems, it is critical that these systems are thoroughly designed, manufactured, validated as safe and reliable, and integrated with other electronic systems in the automobile.

Allegro MicroSystems, LLC is a leading supplier of automotive electronic integrated circuits and is fully supportive of this safety initiative.  The creation of an active Functional Safety (FuSa) culture has become an important corporate objective within Allegro and employees have undergone extensive safety training as part of our commitment to the automotive market.

*The standard applies specifically to safety-relevant E/E systems in standard passenger cars up to 3,500kg.

Application Note: Functional Safety Challenges to the Automotive Supply Chain

Allegro MicroSystems A²-SIL™ Products

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Application Product Type Part Number ASIL Level
 
Power Steering Systems
Hall-Effect Switch
A1130-1-2
ASIL-B
Hall-Effect Latch/Switch A1205 QM
Hall-Effect Latch
A1220-1-2-3 QM
Hall-Effect Switch
A1250 QM
Dual Hall-Effect Latch
A1233
QM
Angle Position Sensor A1334 QM
Angle Position Sensor
A1335
QM
Angle Position Sensor A1337
QM
Angle Position Sensor A1338
QM
Linear Position Sensor A1341 QM
Linear Position Sensor A1343 QM
DC Gate Driver A3921 QM
Full-Bridge MOSFET Driver A3922
ASIL-D
Full-Bridge MOSFET Driver
A3924
ASIL-D*
DC Gate Driver A3941 QM
BLDC Gate Driver - Digital A4910 QM
BLDC Gate Driver - Power A4933 QM
BLDC Gate Driver - Power A4935 QM
Phase Disconnect Switch A6861 QM
Half-Bridge MOSFET Driver
A4926 ASIL-B
Half-Bridge MOSFET Driver
A4927 ASIL-B
Phase Disconnect Switch
A6862
ASIL-B*
Multi-Output Regulator
ARG81400 ASIL-D
Multi-Output Regulator
ARG81401 QM
Multi-Output Regulator
A4408 QM
Multi-Output Regulator
A4409 QM
Multi-Output Regulator
A4411
QM
Multi-Output Regulator
A4412 ASIL-D
Anti-Lock Brake/Stability Control Hall-Effect Switch
A1130-1-2
ASIL-B
Hall-Effect Latch/Switch A1205 QM
Hall-Effect Latch
A1220-1-2-3 QM
Hall-Effect Switch
A1250 QM
Half-Bridge MOSFET Driver
A4926
ASIL-B
Half-Bridge MOSFET Driver
A4927
ASIL-B
Angle Position Sensor
A1334
QM
Angle Position Sensor
A1335
QM
Angle Position Sensor A1338
QM
Linear Position Sensor A1341 QM
Linear Position Sensor A1343 QM
DC Gate Driver A3921 QM
Full-Bridge MOSFET Driver A3922
ASIL-D
Full-Bridge MOSFET Driver
A3924
ASIL-D*
DC Gate Driver A3941 QM
BLDC Gate Driver - Digital A4910 QM
BLDC Gate Driver - Power A4933 QM
BLDC Gate Driver - Power A4935 QM
Multi-Output Regulator
ARG81400 ASIL-D
Multi-Output Regulator
ARG81401 QM
Multi-Output Regulator
A4408 QM
Multi-Output Regulator
A4409 QM
 Multi-Output Regulator A4411 QM
Multi-Output Regulator
A4412 ASIL-D
 
Transmission
Hall-Effect Switch A1130-1-2
ASIL-B
Hall-Effect Latch/Switch A1205 QM
Hall-Effect Latch
A1220-1-2-3 QM
Hall-Effect Switch
A1250 QM
Half-Bridge MOSFET Driver
A4926
ASIL-B
Half-Bridge MOSFET Driver
A4927
ASIL-B
Hall-Effect Switch
A1160
QM
Hall-Effect Switch
A1162
QM
Dual Hall-Effect Latch A1233 QM 
Angle Position Sensor A1334 QM
Angle Position Sensor
A1335
QM
Angle Position Sensor A1338
QM
Linear Position Sensor A1341 QM
DC Gate Driver A3921 QM
Full-Bridge MOSFET Driver A3922
ASIL-D
Full-Bridge MOSFET Driver
A3924
ASIL-D*
DC Gate Driver A3941 QM
BLDC Gate Driver - Digital A4910 QM
BLDC Gate Driver - Power A4933 QM
BLDC Gate Driver - Power A4935 QM
Multi-Output Regulator
ARG81400 ASIL-D
Multi-Output Regulator
ARG81401 QM
Multi-Output Regulator
A4408 QM
Multi-Output Regulator
A4409 QM
Multi-Output Regulator
A4411
QM
Multi-Output Regulator
A4412 ASIL-D
HEV/EV Systems DC Gate Driver A3921 QM
Half-Bridge MOSFET Driver
A4926
ASIL-B
Half-Bridge MOSFET Driver
A4927
ASIL-B
Full-Bridge MOSFET Driver A3922
ASIL-D
Full-Bridge MOSFET Driver
A3924
ASIL-D*
DC Gate Driver A3941 QM
BLDC Gate Driver - Digital A4910 QM
BLDC Gate Driver - Power A4933 QM
BLDC Gate Driver - Power A4935 QM
Multi-Output Regulator
ARG81400 ASIL-D
Multi-Output Regulator
ARG81401 QM
Multi-Output Regulator
A4408 QM
Multi-Output Regulator
A4409 QM
Multi-Output Regulator
A4411
QM
Multi-Output Regulator
A4412
ASIL-D
Various (SEooC) Hall-Effect Switch A1130-1-2
ASIL-B
Hall-Effect Switch
A1160
QM
Hall-Effect Switch A1162
QM
Hall-Effect Latch/Switch A1205 QM
Hall-Effect Latch
A1220-1-2-3 QM
Hall-Effect Switch
A1250 QM
Dual Hall-Effect Latch A1233 QM
 *Pending

A²-SIL™ QM

Quality Managed (QM) products have been developed according to the automotive quality requirements of TS 16949 and contain features targeted for automotive safety applications. These products can be qualified for use in accordance with ISO 26262  in compliant safety systems by ensuring a robust integration of the component into the system design. Safety documentation will be provided to support and guide the integration process.

A²-SIL™ ISO 26262

ISO 26262 Certified Products have been designed in compliance to the ISO 26262:2011 standard at the component level.

TUV

A²-SIL™ Highlights

  • Offer A²-SIL™ safety products that are Quality Managed.
  • Offer A²-SIL™ safety products that are fully compliant to ISO 26262.
  • Products cover a range of sensor ICs, motor driver ICs and power management semiconductors.
  • Products are designed and manufactured to an ISO 26262 compliant process certified by SGS-TÜV Saar GmbH.
  • A²-SIL™ product documentation includes: 
    • DFMEA : IC Design failure mode and effect analysis
    • FMEDA : System level failure mode and effect with diagnostic analysis
    • FTA : Fault tree analysis
    • Safety Manual
  • Safety deliverables are optimized in close cooperation with our customers based on an understanding of the system safety requirements.

ISO 26262 Technical Advisory Group

  • Allegro is a member of the US technical advisory group for ISO 26262. 
  • Allegro's Functional Safety Manager is a contributing member to ISO/PAS 19451: 'Application of ISO 26262 to Semiconductors' and is one of three US delegates to the International Semiconductor subgroup.

ISO26262 Customer-Allegro Interface

ISO26262 Customer-Allegro Interface

Key Automotive Applications

 

Allegro MicroSystems, LLC (“Allegro”) products may, in certain cases, be promoted to assist with applications related to safety.  Allegro’s objective is to provide an opportunity for customers to design and develop their own end-products that meet functional safety standards and requirements. However, Allegro’s products are not to be used in any devices or systems in which a failure of Allegro’s product can reasonably be expected to cause bodily harm. Customer agrees that it has sole responsibility for compliance with all applicable laws, regulations, and safety-related requirements regarding its products. Customer shall indemnify Allegro and its representatives against any damages arising out of the use of any Allegro products in safety-critical applications.  

Allegro assumes no responsibility for the intended use of its products, nor for any infringement of patents or other rights of third parties which may result from their use. Allegro reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products.  Before placing an order, customer is cautioned to verify the detailed specifications.

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