Advanced Battery Management System with Wireless Connectivity
This sophisticated Battery Management System (BMS) PCBA assembly combines robust TTL-level communication with cutting-edge Bluetooth Low Energy (BLE) connectivity via an integrated ESP32 microcontroller. Designed for modern battery applications requiring real-time monitoring and wireless control capabilities.
Key Features
Core BMS Functionality:
- High-precision voltage, current, and temperature monitoring across multiple battery cells
- Active cell balancing with configurable thresholds
- Comprehensive protection circuits including overcurrent, overvoltage, undervoltage, and thermal protection
- TTL serial communication interface for reliable data transmission
- Configurable charge and discharge parameters
ESP32 Integration:
- Dual-core Xtensa LX6 processor running at 240MHz
- Built-in Wi-Fi 802.11 b/g/n and Bluetooth 4.2/BLE connectivity
- 520KB SRAM with external flash memory support
- Multiple GPIO pins for sensor integration and control
BLE Connectivity Features:
- Real-time battery status monitoring via smartphone app
- Remote configuration of BMS parameters
- Historical data logging and analysis
- Over-the-air firmware updates
- Low power consumption in standby mode
- Range up to 100 meters in open environments
Technical Specifications
- Operating Voltage: 12V-48V DC (configurable)
- Maximum Current: 100A continuous (peak ratings available)
- Cell Count Support: 3S to 16S configurations
- Communication: TTL UART, BLE 4.2
- Temperature Range: -20°C to +60°C operating
- PCB Dimensions: 120mm x 80mm x 15mm
- Mounting: Standard PCB standoffs and terminal blocks
Applications
- Electric vehicle battery packs
- Energy storage systems (ESS)
- Marine and RV applications
- Solar battery banks
- Industrial battery monitoring
- Robotics and automation
- Portable power stations
Package Contents
- Fully assembled and tested BMS PCBA
- ESP32 module pre-programmed with BLE firmware
- Terminal connection hardware
- Quick start guide and technical documentation
- Mobile app download instructions
This professional-grade BMS solution offers the perfect balance of traditional reliability through TTL communication and modern convenience via wireless BLE connectivity, making it ideal for both industrial applications and DIY enthusiasts seeking advanced battery management capabilities.