ATSAMC20J17A-AUT

Overview

The ATSAMC20J17A-AUT is an automotive-grade ARM microcontroller from the Microchip ATSAMC20 series. It features an ARM Cortex-M0+ core operating at a maximum frequency of 48 MHz. The device includes 128 kB of program memory and 16 kB of data RAM. It provides 52 I/O pins and supports a supply voltage range of 2.7 V to 5.5 V. The component is housed in a TQFP-64 package and is qualified under AEC-Q100 standards for operation within a temperature range of -40°C to +85°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Integrated 12-bit analog-to-digital converter with 12 channels
• Supports LIN, I2C, PMBus, SPI, and USART communication interfaces

Applications

• Automotive body electronics systems
• LIN bus network nodes
• General embedded control applications requiring automotive reliability

Procurement Notes

Verify the specific suffix AUT confirms automotive grade qualification and the TQFP-64 package configuration against official Microchip documentation. Confirm that the intended application environment aligns with the specified -40°C to +85°C operating temperature range. Ensure compatibility with the 2.7 V to 5.5 V power supply requirements before integration.

Selection Notes

Select this model when automotive certification is mandatory and a 128 kB flash capacity is required. The TQFP-64 package offers a balance of pin count and board space. Consider alternative packages like QFN or WLCSP if size constraints differ, but verify that the selected variant maintains the necessary I/O count and memory specifications for the design.

Part Context

This component belongs to the ATSAMC20 family, designed for cost-sensitive embedded applications. The J-series variants typically offer higher pin counts and memory compared to G-series counterparts. The ATSAMC20J17A-AUT specifically targets automotive environments, distinguishing it from commercial grade parts through its extended temperature rating and reliability testing protocols defined by AEC-Q100.

Replacement Considerations

ATSAMC20J17A-MUT (QFN-64 package)

FAQ

What is the maximum operating temperature for this component?

The maximum operating temperature is +85°C.

Does this microcontroller support LIN communication?

Yes, the ATSAMC20J17A-AUT supports LIN interface communication.

What is the ADC resolution of this device?

The device features a 12-bit ADC resolution.