AEK-POW-BMS63EM Evaluation Board

Introduction

The STMicroelectronics AEK-POW-BMS63EM is a battery management system (BMS) evaluation board designed for developing and testing advanced lithium-ion battery monitoring solutions. It provides a practical hardware platform for evaluating cell sensing, balancing, communication, and battery-state calculation functions in multi-cell battery packs.

Part Description

The AEK-POW-BMS63EM supports monitoring and balancing from one to 31 lithium-ion battery nodes. Each node can accommodate four to 14 cells, making the board suitable for scalable battery architectures ranging from smaller modular packs to larger high-voltage systems.

Key BMS capabilities include:

• Cell voltage monitoring for lithium-ion battery stacks
• Passive cell balancing to help maintain balanced cell voltages
• Current sensing for charge and discharge monitoring
• Temperature sensing for battery safety and thermal management
• State-of-charge (SoC) calculation
• State-of-health (SoH) calculation
• CAN communication for integration with vehicle or industrial networks
• Isolated SPI transceivers for robust communication between battery-monitoring sections
• Automotive-grade microcontroller support for control and battery-management algorithms

As an evaluation platform, the board is especially useful for engineers developing BMS firmware, validating battery pack electronics, and assessing communication strategies before creating a custom production design.

Applications

Potential applications for the AEK-POW-BMS63EM include:

• Electric vehicle battery packs
• Hybrid electric vehicle energy-storage systems
• E-bike and e-scooter battery packs
• Battery energy storage systems
• Industrial battery-powered equipment
• Uninterruptible power supplies
• Portable medical equipment
• Robotics and autonomous mobile platforms
• Battery testing and characterization systems
• High-voltage lithium-ion battery pack prototypes

Industries

The evaluation board can support development work in industries such as:

• Automotive and electric mobility
• Renewable energy and energy storage
• Industrial automation
• Robotics
• Transportation and logistics
• Aerospace and defense research
• Medical electronics
• Consumer mobility products
• Charging infrastructure
• Battery manufacturing and test engineering

Usage Ideas

1. Electric Vehicle Battery Pack Prototype
   Build a scalable lithium-ion battery pack demonstrator with cell monitoring, passive balancing, temperature protection, and CAN reporting to a vehicle control unit.

2. Solar Energy Storage Monitor
   Develop a battery monitoring subsystem for a solar-connected energy storage bank, using current and temperature data to estimate available capacity and battery health.

3. Fleet Battery Diagnostic Tool
   Create a CAN-connected diagnostic platform for monitoring battery pack voltage, thermal conditions, state of charge, and state of health in electric fleet vehicles or industrial equipment.

Conclusion

The STMicroelectronics AEK-POW-BMS63EM is a versatile BMS evaluation board for developers working with multi-cell lithium-ion battery systems. Its combination of cell monitoring, passive balancing, current and temperature measurement, isolated communications, CAN connectivity, and automotive-grade control capabilities makes it well suited to battery pack prototyping, algorithm development, and system-level validation across automotive, industrial, and energy-storage applications.