AMAP42KP-KBR

AMAP42KP-KBR - Apollo4 Plus Ultra-Low-Power MCU for IoT & Edge AI Applications

The AMAP42KP-KBR from Ambiq Micro's Apollo4 Plus series delivers industry-leading ultra-low-power performance for battery-powered IoT devices, wearables, and edge AI applications. Built on an ARM® Cortex®-M4F core running at 192MHz, this advanced System-on-Chip (SoC) combines exceptional processing power with minimal energy consumption, making it the ideal choice for power-sensitive embedded systems.

Key Features & Technical Benefits

• High-Performance ARM Processing: ARM® Cortex®-M4F core @ 192MHz with hardware floating-point unit (FPU) for efficient signal processing
• Generous Memory Configuration: 2MB Flash memory + 2.75MB RAM for complex applications, data buffering, and firmware storage
• Rich Connectivity Options: USB OTG, I2C, SPI, UART/USART, MMC/SD/SDIO interfaces for versatile system integration
• Advanced Security Features: Hardware AES encryption engine for secure data protection and authentication
• Comprehensive Peripheral Set: DMA controller, I2S audio interface, PWM outputs, Watchdog Timer (WDT), Brown-out Detect/Reset, Power-On Reset (POR)
• Industrial Temperature Range: -20°C to 60°C operating range for commercial and industrial applications
• Compact BGA Package: 146-pin WFBGA (5x5mm) for space-constrained PCB designs
• Long-Term Availability: Active production status with full RoHS environmental compliance

Ideal Applications & Use Cases

The AMAP42KP-KBR is perfect for battery-powered IoT sensors, fitness trackers, smartwatches, voice-enabled devices, edge AI inference, industrial monitoring systems, portable medical devices, and any application where ultra-low power consumption is critical for extended battery life. The powerful ARM Cortex-M4F core with FPU enables advanced signal processing, machine learning inference, and real-time data analysis at the edge.

Why Choose Apollo4 Plus?

Ambiq's Apollo4 Plus family is renowned for delivering the industry's lowest power consumption without sacrificing performance. The AMAP42KP-KBR enables developers to create always-on, battery-powered devices that can run for months or years on a single charge, while still providing the computational power needed for modern IoT and AI workloads.

Complete Technical Specifications

Product attributes	Property Value
Manufacturer	Ambiq Micro, Inc.
Product Series	Apollo4 Plus
Packaging	Cut Tape (CT) | Tape & Reel (TR)
Part Status	Active
Architecture	MCU
Core Processor	ARM® Cortex®-M4F
Flash Size	2MB
RAM Size	2.75MB
Peripherals	AES, Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity	GPIO, I2C, MMC/SD/SDIO, SPI, UART/USART, USB OTG
Speed	192MHz
Primary Attributes	-
Operating Temperature	-20°C ~ 60°C
Grade	-
Qualification	-
Package / Case	146-WFBGA
Supplier Device Package	146-BGA (5x5)
ROHS

Documentation & Support

Full datasheets, application notes, reference designs, and development tools are available to accelerate your design process. The Apollo4 Plus family is supported by Ambiq's comprehensive SDK and development ecosystem.