MM32L052PF
Entry-level ultra-low-power Cortex-M0+ MCU with 32KB Flash, 4KB RAM, and sub-μA standby for basic battery applications
Product Overview
Description
The MM32L052PF is an entry-level ultra-low-power microcontroller featuring ARM Cortex-M0+ core optimized for battery-powered applications requiring minimal power consumption.
This MCU includes 32KB Flash memory and 4KB SRAM, sufficient for simple sensor nodes and basic control tasks. The ultra-low-power design achieves sub-microamp standby current with RTC operation.
Multiple low-power modes and flexible wake-up sources enable years of operation from small batteries, making it ideal for IoT endpoints and wireless sensors.
Product Series
MM
Primary Application
Simple sensor nodes
Key Features
- ARM Cortex-M0+ up to 48MHz
- 32KB Flash with read protection
- 4KB SRAM
- Ultra-low power consumption
- Multiple wake-up sources
- 12-bit ADC
- Real-time clock
Specifications
| Core | ARM Cortex-M0+ |
|---|---|
| Frequency | 48 MHz |
| Flash | 32 KB |
| RAM | 4 KB |
| Active Current | 110μA/MHz |
| Standby Current | 0.7μA with RTC |
| Package | QFN-32 |
Applications
Simple sensor nodes
Sensor signal conditioning
Battery-powered IoT
Battery and charging management
Wireless sensor networks
Sensor signal conditioning
Environmental monitors
Electronic system design
Basic wearable devices
Electronic system design
FAE Expert Insights
"The MM32L052PF is MindMotion's most power-efficient MCU, achieving just 0.7μA in standby with RTC running. This is exceptional for simple battery-powered applications. I recommend this for basic sensor nodes where the application only needs to wake up periodically to take a reading and transmit data. The 32KB Flash is sufficient for simple BLE or LoRa protocol stacks. For a temperature/humidity sensor project, we achieved over 5 years of operation from a CR2032 coin cell with hourly transmissions."
Ultra-low 0.7μA standby current for maximum battery life
— Chen Hua, BeiLuo
Frequently Asked Questions
What is the battery life with MM32L052PF?
Battery life depends on duty cycle, but typical sensor applications achieve 3-5 years from a CR2032 coin cell. For example, a temperature sensor waking every hour to take a reading and transmit via BLE: standby current 0.7μA × 3600s + active current 5mA × 0.1s = average 2.4μA. A 220mAh CR2032 would last approximately 9 years theoretically, or 4-5 years with real-world inefficiencies.
Calculate your application's duty cycle and average current for accurate battery life estimation.