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Ultra-Low-Power 32-Bit Microcontrollers (MCUs)

Our ultra-low-power, 32-bit Arm® Cortex®-M4 with FPU-based microcontrollers are built to run any application you can imagine—in places where you wouldn’t dream of sending other ultra-low-power MCUs. They’re as smart as they are power efficient, combining the biggest embedded memories of any MCUs in their class with our premier power technology. Now you can design smarter products without running out of code space or battery life. And with the most advanced cybersecurity ever, you’ll be ready for any threat you encounter.

Perfect for applications that require:

Crazy-long battery life: Lowest retention mode power (maintains 512KB for 3.5µW) and active mode power (as low as 45µW/MHz)
Near infinite code space: Largest memories (up to 3MB flash)
Ninja-like security: Options that support cryptographic algorithms

Ultra-Low-Power Arm 32-Bit MCUs

Also See:
#MakeWithMaxim

Learn more: DARWIN Series of MCUs ›

Featured Products Development Boards Design Resources

Ultra-Low-Power Microcontroller (MCU) Featured Products

MCUs	Flash	SRAM	Core Clock Speed (MHz)	Actual Active Mode Power (µW/MHz)	Retention Mode Power (µW)	Cryptographic Features
MAX32660	256KB	96KB	96	454	2.8
MAX32620	2MB	256KB	96	127	2.6	AES-128, 192, 256
MAX32625	512KB	160KB	120	127	2.4	AES-128, 192, 256
MAX32630	2MB	512KB	96	127	3.5	AES-128, 192, 256
MAX32652	3MB	1MB	96	104	1.6*	AES-128, 192, 256
MAX32652	3MB	1MB	96	104	1.6*	AES-128, 192, 256
MAX32621	2MB	256KB	96	127	2.6	AES-128, 192, 256; DSA/RSA to 2048; TRNG; Secure Boot
MAX32626	512KB	160KB	120	127	2.4	AES-128, 192, 256; DSA/RSA to 2048; TRNG; Secure Boot
MAX32631	2MB	512KB	96	127	3.5	AES-128, 192, 256; DSA/RSA to 2048; TRNG; Secure Boot

*When operating at 0.9V with Fmax 24MHz
**With 32KB SRAM maintained

Consider power instead of current. Read the white paper: Powering the Next Generation of Smart Devices

Ultra-Low-Power Microcontroller (MCU) Development Boards

Quickly get up and running with microcontroller development boards that let you explore every feature of our ultra-low-power MCUs. Drop our prototyping boards right into your own project and start developing code. Code development is made easy with prototyping environments such as Mbed® and Arduino® plus full-featured IDEs such as GCC/Eclipse™.

Ultra Compact Development Board Fits in the Tightest Spaces, Reduces Power

MAX32625PICO

Power-optimized Arm^® Cortex^®-M4F. On-board PMIC provides all necessary voltages. Ultra-compact 0.6in x 1.0in dual-row header footprint.

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Development Platform for the Ultra-Low Power Microcontroller for Wearables

MAX32630FTHR

Power-optimized Arm^® Cortex^®-M4F. Optimal Peripheral Mix Provides Platform Scalability. On-Board Bluetooth^® 4.0 BLE Transceiver with Chip Antenna.

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Compact Development Board to Build Small, Power-Optimized IoT Applications

MAX32630EVKIT

Power-optimized Arm Cortex-M4F. Optimal peripheral mix provides platform scalability. On-board Bluetooth 4.0 BLE transceiver with chip antenna.

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Ultra-Low-Power Microcontroller (MCU) Design Resources