ATSAMV71Q21B-AABT

Overview

The ATSAMV71Q21B-AABT is an automotive-grade microcontroller from the SAM V71 series, built on a 32-bit ARM Cortex-M7 core operating at up to 300 MHz. It integrates 2 MB of Flash memory and 384 KB of SRAM within a 144-pin LQFP package. The device supports a supply voltage range of 3 V to 3.6 V and operates between -40°C and +105°C. Key peripherals include 24 ADC channels with 12-bit resolution, multiple communication interfaces such as CAN, Ethernet, SPI, I2C, UART, USART, and USB, alongside 114 general-purpose I/Os.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for high reliability in vehicle environments
• Integrated Analog Front End (AFE) supporting advanced sensor interfacing capabilities
• High-performance processing via ARM Cortex-M7 core with floating-point unit for complex control tasks
• Comprehensive connectivity suite including GMAC, QSPI, and multiple serial communication protocols

Applications

• Advanced Driver Assistance Systems (ADAS)
• Instrument clusters and digital cockpit displays
• Telematics control units
• Body electronics and gateway controllers

Procurement Notes

Verify the specific suffix 'AABT' confirms the tape-and-reel packaging format required for automated surface-mount assembly processes. Ensure the selected variant matches the necessary automotive grade certification and temperature range specifications for the target application environment before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring robust automotive compliance combined with high computational throughput. The inclusion of an Analog Front End makes it suitable for direct sensor integration without additional signal conditioning hardware. Consider the 144-pin LQFP footprint for PCB layout constraints and thermal management requirements during the initial design phase.

Part Context

This part belongs to the Microchip SAM V71 family, which targets demanding automotive applications. It shares architectural similarities with other members like the ATSAMV71Q21B-AAB but differs in packaging and reel configuration. The series is designed to meet stringent ISO-TS-16949 manufacturing standards, ensuring consistency and quality for mass production in the automotive sector.

Replacement Considerations

The ATSAMV71Q21B-AAB serves as a tray-packaged alternative with identical electrical characteristics. For radiation-tolerant space applications, the SAM-V71Q21RT is a related variant based on the same silicon architecture.