ATSAMHA0E16A-MZT-BVAO

Overview

The ATSAMHA0E16A-MZT-BVAO is a System in Package (SiP) microcontroller unit integrating an ARM Cortex-M0 core, LIN transceiver, and voltage regulator. It features 64 kB of Flash program memory and 8 kB of SRAM data memory. The device operates within a supply voltage range of 5 V to 28 V and supports a maximum clock frequency of 48 MHz. It includes a 12-bit ADC with 10 channels, a 10-bit DAC, and multiple communication interfaces including I2C, SPI, and UART. The component is housed in a VQFN-48 package and is qualified to AEC-Q100 standards for automotive applications.

Feature Summary

• Integrated LIN system solution combining MCU, transceiver, and regulator
• Automotive-grade reliability with AEC-Q100 qualification
• High-voltage operation capability up to 28 V
• Comprehensive analog and digital peripheral set

Applications

• Automotive body control modules
• LIN bus network nodes
• Vehicle door control units
• Seat adjustment systems

Procurement Notes

Verify the specific suffix BVAO against the manufacturer's current datasheet to confirm pinout and packaging details. Confirm availability status as factory special order items may have extended lead times. Ensure the ordering quantity meets the manufacturer's minimum reel requirements. Cross-reference the part number with official Microchip documentation to validate the integrated components and electrical specifications before procurement.

Selection Notes

Select this component when a compact, automotive-compliant LIN node is required. The integrated design reduces bill of materials by combining MCU, transceiver, and power regulation. Consider the 64 kB Flash capacity for application firmware needs. Verify that the 28 V operating range matches the vehicle power system. Evaluate the VQFN-48 package constraints for PCB layout and thermal management requirements.

Part Context

This part belongs to the Microchip SAMH family of automotive LIN System in Packages. These devices are designed to simplify the implementation of Local Interconnect Network (LIN) protocols in automotive environments. The family integrates standard ARM Cortex-M0 microcontrollers with dedicated LIN physical layer components and power management circuits to provide a complete solution for low-cost automotive networking.

Replacement Considerations

Consult the official Microchip product selection guide for direct pin-to-pin or functional equivalents within the SAMH series. Verify compatibility with existing LIN stack software libraries when considering alternative models.