ATSAMHA0G14A-MZT-BVAO

Overview

The ATSAMHA0G14A-MZT-BVAO is an ARM microcontroller system-in-package (SiP) from Microchip Technology, integrating a Cortex-M0+ core with LIN transceiver and voltage regulator. It features 16 kB of Flash program memory and 2 kB of SRAM data RAM. The device operates on a 32-bit data bus with a maximum clock frequency of 48 MHz. It supports a supply voltage range of 5 V to 28 V and includes a 12-bit ADC with 13 channels. The component is housed in a VQFN-48 package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Integrated LIN System-in-Package combining MCU, LIN transceiver, and voltage regulator
• Automotive-grade qualification compliant with AEC-Q100 standards
• ARM Cortex-M0+ processor core for efficient embedded control
• Wide operating supply voltage range suitable for automotive networks

Applications

• Automotive Local Interconnect Network (LIN) node implementations
• Body control modules requiring integrated power regulation
• Sensor interfaces within automotive chassis systems
• Low-cost automotive gateway nodes

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging and temperature grade. Confirm AEC-Q100 qualification status if required for your specific automotive application tier. Check for any recent product change notifications regarding pinout or electrical characteristics before finalizing design integration.

Selection Notes

Select this component when designing automotive LIN nodes that require an integrated transceiver and regulator to reduce board space. Compare memory sizes and I/O counts against other SAMH series variants like the ATSAMHA1G14A to ensure sufficient resources. Verify that the VQFN-48 package footprint matches your PCB layout constraints and thermal requirements.

Part Context

This part belongs to the Microchip SAMH family of automotive microcontrollers. These devices are designed specifically for LIN bus applications in vehicles. The family integrates standard MCU capabilities with specialized automotive communication interfaces, simplifying the design of body electronics and chassis control units by reducing component count.

Replacement Considerations

Consult official substitution lists for equivalent parts within the SAMH family. Verify compatibility of pinouts and software libraries when considering alternatives like the ATSAMHA1G14A-MZT-BVAO.