ATSAMC21G17A-MNT

Overview

The ATSAMC21G17A-MNT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip ATSAMC21 family. It features 128 kB of Flash program memory and 16 kB of SRAM data RAM. The device operates with a maximum clock frequency of 48 MHz and supports an input voltage range of 2.7 V to 5.5 V. It includes 14-channel 12-bit ADCs, a 10-bit DAC, and 38 general-purpose I/O pins. The component is housed in a 48-VQFN package and is qualified to AEC-Q100 standards for automotive applications.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for extended temperature operation up to 105°C.
• Integrated advanced analog peripherals including high-resolution 12-bit ADCs and a 10-bit DAC for precise signal processing.
• Supports multiple communication interfaces such as SPI, USART, I2C, LIN, and PMBus for versatile system connectivity.

Applications

• Automotive body electronics and control modules requiring functional safety compliance.
• Industrial sensor nodes utilizing high-precision analog-to-digital conversion capabilities.
• Battery management systems leveraging PMBus interface support for power monitoring.
• General-purpose embedded controllers in consumer devices operating within wide voltage ranges.

Procurement Notes

Verify the specific suffix 'MNT' corresponds to the 48-VQFN package and tape-and-reel shipping format. Confirm that the AEC-Q100 qualification aligns with your project's automotive reliability requirements. Ensure design compatibility with the 2.7V to 5.5V supply voltage range and check humidity sensitivity handling procedures during assembly.

Selection Notes

Select this model when a 48-VQFN surface-mount package is required for space-constrained designs. Choose this variant over TQFP options if lower profile and improved thermal performance are priorities. Consider this part for applications needing 128 kB of non-volatile storage and robust analog peripheral integration within the Cortex-M0+ architecture.

Part Context

This component belongs to the ATSAMC21 series, which targets cost-sensitive and low-power applications. The series utilizes the ARM Cortex-M0+ core to balance processing efficiency with energy consumption. The ATSAMC21G17A-MNT specifically provides a mid-range memory configuration suitable for complex control algorithms without excessive power draw.

Replacement Considerations

ATSAMC21G17A-ANT offers identical electrical specifications but uses a TQFP-48 package instead of VQFN-48.