X-NUCLEO-PM33A1 Expansion Board Based on STPM33
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STMicroelectronics X-NUCLEO-PM33A1 PowerDescription
The STMicroelectronics X-NUCLEO-PM33A1 Expansion Board is based on the STPM33 electricity metering IC, capable of measuring AC and DC sources with an accuracy of 0.1%. It is compatible with STM32 Nucleo development boards and features connectors for external current transformers. This board is ideal for smart meters and energy metering solutions.
STMicroelectronics X-NUCLEO-PM33A1 Expansion Board Based on STPM33
Introduction
The STMicroelectronics X-NUCLEO-PM33A1 is an innovative expansion board designed for precise electricity metering. Built around the STPM33 IC, this board is capable of measuring both AC and DC sources with remarkable accuracy, making it an essential tool for developers working on energy monitoring solutions.
Part Description
The X-NUCLEO-PM33A1 expansion board is engineered to work seamlessly with STM32 Nucleo development boards. It features connectors for external current transformers (CTs) and can be powered either through the Nucleo board or an external 3.3V power supply. The board utilizes a shunt for current measurement and includes onboard EEPROM for data storage. With a measurement accuracy of 0.1%, it is ideal for applications requiring reliable energy consumption data. The board also supports a comprehensive development firmware library, making it easier for developers to integrate and utilize its capabilities.

Applications
- Smart meters
- Energy metering solutions
Industries
- Energy and Utilities
- Home Automation
- Industrial Automation
- Consumer Electronics
Usage Ideas
- Smart Meter Development: Create a prototype smart meter that can accurately measure and report energy consumption data to users via a mobile application.
- Energy Monitoring System: Develop a home energy monitoring system that tracks the energy usage of various appliances, providing insights and suggestions for energy savings.
- Industrial Power Management: Implement a power management solution in an industrial setting to monitor and optimize energy consumption across multiple machines and processes.
Conclusion
The STMicroelectronics X-NUCLEO-PM33A1 expansion board is a powerful tool for anyone looking to develop advanced energy metering solutions. With its high accuracy, compatibility with STM32 Nucleo boards, and extensive application potential, it stands out as an essential component for modern energy management projects. Whether for smart meters or industrial applications, this board provides the necessary features to facilitate innovative energy monitoring solutions.