AMA3B2KK-KBR

Overview

The AMA3B2KK-KBR is an ultra-low power System-on-Chip (SoC) from the Apollo3 Blue Plus family, manufactured by Ambiq Micro. It integrates an ARM Cortex-M4F processor running at a maximum frequency of 48 MHz. The device features 1 MB of ROM and 768 kB of RAM. It operates within a voltage range of 1.8 V to 0 V and supports communication interfaces including SPI, I2C, and UART. The component is housed in an 81-pin BGA package.

Feature Summary

• Utilizes patented SPOT technology for ultra-low power operation
• Integrates BLE connectivity capabilities
• Includes onboard debugging and programming interfaces

Applications

• Wearable devices requiring low power consumption
• Sensor measurement and data analysis systems
• Battery-powered embedded applications

Procurement Notes

Verify the specific suffix KBR against official datasheets to confirm pinout and thermal specifications. Ensure compatibility with the Apollo3 Blue Plus evaluation environment. Check RoHS compliance status prior to integration. Confirm supply chain availability through authorized distributors only.

Selection Notes

Select this SoC for designs prioritizing energy efficiency over high-frequency processing. The 48 MHz clock speed suits moderate computational loads. Consider the 81-BGA package constraints during PCB layout. Evaluate the integrated memory sizes against application firmware requirements before finalizing the part number.

Part Context

This component belongs to the Apollo3 Blue Plus series, designed for highly integrated microcontroller solutions. It serves as the core processing unit for development boards like the AMA3B2EVB. The chip enables complex sensor fusion and wireless connectivity in compact form factors.

Replacement Considerations

The AMA3B1KK is a related variant within the Apollo3 Blue family. Verify functional equivalence regarding memory size and peripheral availability before substitution.