ATSAMHA0G15A-MZT-BVAO

Overview

The ATSAMHA0G15A-MZT-BVAO is a System in Package (SiP) microcontroller unit integrating an ARM Cortex-M0 core, LIN transceiver, and voltage regulator. It features 32 kB of Flash program memory and 4 kB of SRAM data RAM. The device supports a maximum clock frequency of 48 MHz and operates within a supply voltage range of 5 V to 28 V. It includes a 12-bit ADC with 13 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 architecture combining MCU, transceiver, and voltage regulation
• Automotive-grade reliability with AEC-Q100 qualification
• Advanced analog peripherals including high-resolution ADC and DAC

Applications

• Automotive body control modules
• LIN bus node implementations
• Vehicle sensor interfaces

Procurement Notes

Verify the specific ordering suffix BVAO against the official Microchip datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the target application's voltage requirements, as this SiP supports up to 28 V. Confirm that the integrated LIN transceiver meets the electrical characteristics required by the network topology. Cross-reference the part number with current Microchip documentation to validate availability and any recent design changes.

Selection Notes

Select this component when a compact solution for automotive LIN networks is required. It combines processing, communication, and power management in a single package. Consider the 48 MHz performance and 32 kB memory for complex control logic. Verify that the VQFN-48 footprint fits the PCB layout constraints. Ensure the operating temperature range meets the environmental conditions of the installation site.

Part Context

This part belongs to the Microchip SAMH family of automotive microcontrollers. These devices are designed specifically for Local Interconnect Network (LIN) applications in vehicles. The family integrates standard ARM Cortex-M0 capabilities with specialized automotive interfaces and robust power management features suitable for harsh automotive environments.

Replacement Considerations

Consult Microchip's cross-reference tools for parametrically similar parts within the SAMH series. Verify pinout compatibility and software register mapping before substituting. Ensure any alternative maintains AEC-Q100 qualification if required for the specific automotive application.