D1000 Gen2 – Battery Management Unit (BMU)

Overview

The D1000 Gen2 Battery Management Unit (BMU) represents the next evolution in Prohelion’s distributed battery management architecture, delivering advanced features and enhanced performance over the proven Gen1 system. As the master controller in the distributed network, the Gen2 BMU provides comprehensive coordination between multiple Cell Management Units (CMUs) and Battery Junction Units (BJUs), supporting up to 448 individual cells and 1000V systems. This cutting-edge unit incorporates environmental sensing, enhanced security features, advanced state estimation algorithms, and expanded I/O capabilities, making it the premier choice for demanding high-voltage battery applications in automotive, industrial, and energy storage systems.

Key Features

• Advanced Master Controller: Enhanced distributed system coordination supporting up to 448 cells and 1000V
• Environmental Monitoring: Integrated pressure, humidity, VOC, and NOx sensors for comprehensive safety
• Enhanced Contactor Control: 5 contactor outputs (vs 3 in Gen1) for complex system configurations
• Flexible I/O: 3 low-side switches for external device control and system integration
• Advanced State Estimation: SOC, SOH, and SOP algorithms for intelligent battery management
• Multi-Network CAN: 3 CAN networks (2 non-isolated + 1 isolated) for robust communication
• Security Features: Secure bootloader, firmware integrity checks, and access control
• Built-in Self-Test: IEC 60730-1 firmware self-test capabilities

Gen2 Improvements Over Gen1

• Enhanced Scalability: 448 cells vs 256 cells maximum capacity
• Environmental Intelligence: Built-in pressure, humidity, VOC, and NOx sensors
• Increased Contactor Control: 5 outputs vs 3 outputs for complex configurations
• Advanced Balancing: 650mA vs 250mA balancing current for faster cell equalization
• Security Enhancement: Secure bootloader and access control systems
• State Estimation: Advanced SOC, SOH, and SOP algorithms
• Flexible I/O: 3 configurable low-side switches for system integration
• Multi-Network CAN: 3 CAN networks vs 1 network for enhanced communication

Environmental Monitoring

The Gen2 BMU features comprehensive environmental monitoring capabilities:

• Pressure Sensor: Monitors internal pack pressure to detect gas build-up or leaks
• Humidity Sensor: Tracks moisture levels to prevent corrosion and electrical issues
• VOC Sensor: Detects volatile organic compounds indicating harmful or flammable gases
• NOx Sensor: Measures nitrogen oxides indicating overheating or chemical reactions
• Temperature Sensors: Multiple onboard temperature monitoring points

Applications

The D1000 Gen2 BMU is designed for demanding applications:

• High-voltage electric vehicle battery management
• Large-scale energy storage system integration
• Industrial battery pack control and monitoring
• Automotive and commercial vehicle applications
• Grid-scale energy storage installations
• Research and development of advanced battery systems
• Critical applications requiring environmental monitoring

System Integration

The Gen2 BMU integrates with enhanced system components:

• D1000 Gen2 CMUs: Up to 32 units monitoring 14 cells each with 4 temperature sensors
• Battery Junction Unit (BJU): Enhanced current and voltage monitoring capabilities
• Vehicle Systems: Multi-network CAN communication with isolated external interface
• Environmental Systems: Integration with HVAC and safety systems via environmental sensors
• External Devices: Control via 3 configurable low-side switches
• Safety Systems: HVIL integration and optional isolation monitoring

Security & Safety

• Secure Bootloader: Authenticated and encrypted firmware loading
• Firmware Integrity: Continuous verification during operation
• Access Control: Role-based authentication for configuration access
• Self-Test Compliance: IEC 60730-1 compliant built-in self-test
• Watchdog Protection: System reset capability for fault recovery
• Memory Testing: Continuous volatile and non-volatile memory verification

Advanced Features

• State Estimation: Real-time SOC, SOH, and SOP calculations
• Predictive Analytics: Battery health trending and remaining useful life estimation
• Adaptive Algorithms: Learning-based optimization for specific battery chemistries
• Remote Updates: Secure over-the-air firmware update capability
• Diagnostic Logging: Comprehensive fault detection and logging system

Documentation

Comprehensive technical documentation and integration guides are available through Prohelion’s documentation portal at: docs.prohelion.com

Support

For technical support, integration assistance, or product inquiries, please visit our support portal where you can find comprehensive resources, submit support tickets, and access our knowledge base.