Lichuang Tongda Unveils Next-Generation Robotic BMS, Boosting Endurance of Humanoid Robots

As the humanoid robotics industry stands on the cusp of explosive growth, battery management systems (BMS) are emerging as one of the key bottlenecks constraining robotic endurance and reliability. Recently, Shenzhen-based high-tech firm Lichuang Tongda New Energy unveiled a high-performance BMS solution tailored for robots and mobile devices, garnering widespread attention across the industry.

Pain-point driven, built specifically for robotic applications.

Unlike residential or industrial energy storage systems, robotic applications place entirely different demands on BMS: stability under high-load operation, rapid response in the event of sudden power outages, autonomous return-to-home capability at low battery levels, and stringent constraints on size and weight. The robot BMS series recently launched by Lichuang Tongda has been specifically designed to address these key challenges.

This product series comprises two models: the primary power BMS (LX4075) and the backup power BMS (LX4082), forming a comprehensive dual-system redundancy architecture. The primary BMS handles routine power management, supporting 8 to 16 battery cells in series with a continuous charging current of 50 to 80 A; the backup BMS steps in when the primary power supply is depleted, providing emergency backup power and enabling the system to automatically return to the charging station, thereby fundamentally eliminating the issue of robots being stranded due to power failure.

Technical Highlights: Precision, Reliability, and Intelligence

Lichuang Robotics’ BMS boasts several notable technical highlights. First, it features a dual-protection architecture with both hardware and software redundancy, providing comprehensive protection against overvoltage, undervoltage, overcurrent, short circuit, and overheating. Additionally, it integrates a hardware watchdog and relay-based secondary protection to effectively mitigate extreme failures such as MOSFET breakdown.

Secondly, the system boasts high-precision monitoring capabilities, providing real-time tracking of voltage, current, temperature, and state-of-charge (SOC) to achieve industry-leading accuracy, thereby preventing unexpected power outages caused by inaccurate SOC estimation. In addition, the product supports logging of up to 10,000 historical events, facilitating fault root-cause analysis and data-driven insights.

In terms of thermal management, the product features a built-in heating film that enables automatic low-temperature heating, ensuring stable operation across a wide temperature range of –40°C to +80°C. This meets the demanding operational requirements of outdoor inspection robots, industrial AGVs, and other applications in complex environments.

Low-power standby to maximize effective operating time.

Notably, Lichuang Robotics’ BMS features an intelligent sleep mode that reduces standby power consumption to below 200 μA, significantly minimizing energy loss during non-operational periods. Coupled with the backup BMS’s emergency endurance design, this dual approach—optimizing both power generation and consumption—effectively extends the robot’s effective operating time.

Currently, Lichuang Tongda’s robotic BMS has obtained UL, CE, and RoHS international certifications and is applicable to a wide range of applications, including industrial material-handling robots (AGVs/AMRs), service robots, outdoor inspection robots, and medical-assistive robots. The company is actively pursuing in-depth collaborations with leading domestic and international robot OEMs.