Protection and charging module for 3/4/5S lithium batteries This project is fully open-source and may be used commercially. ZOUDIO is only liable for products of its own production.
Based on: Texas Instruments BQ77915 primary battery protector Texas Instruments BQ24650 battery charger
Configuration is set by using the onboard header.
Specifications (for more details and instructions, refer to the PDF datasheet)
- Overvoltage: 4.2V ±10mV, delay 1S
- Undervoltage: 2.9V ±18mV, delay 1S
- Cell balancing 4mA per cell
- Maximum continuous discharge: 10A
- Overcurrent protection: 15A, delay 180mS
- Short-circuit protection: 30A, delay 1mS
- Recovery after fault event: Attach charger
- Open cell/wire detection: 4.5S delay
- Power consumption: 8μA typical
- Charging current: 1A
- Charging voltage: 4.05V per cell
- MPPT voltage: 17.5V
- Operating temperature: -40 to 85 °C
- Dimensions (WxHxD): 71x38x15mm