120W intelligent CCCV (Constant Current - Constant Voltage) battery charger with advanced battery management, telemetry, and safety features. Designed for safe and efficient charging of LiPo, LiFePO4, and NiMH batteries.
120W maximum output with independent channel control
3.7V to 48V configurable with multi-cell support
Programmable charging current up to 30A per channel
LiPo, LiFePO4, NiMH, Lead-acid with chemistry detection
Temperature monitoring, over-current/voltage protection, cell balancing
USB-C for programming and real-time telemetry
The charger employs a synchronous buck converter topology for high efficiency operation. Multiple power stages operate independently, allowing simultaneous charging of different battery types. Temperature sensors and voltage monitors provide comprehensive telemetry for intelligent charging algorithms.
Synchronous buck converter with integrated MOSFETs
STM32H743 with real-time algorithm execution
Precision current/voltage sensing with 16-bit ADC
Smart fusing and reverse polarity protection
View hardware schematics, firmware source code, and test results on GitHub.