diff --git a/README.md b/README.md index d465514..e2d72bd 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,26 @@ # BMS345 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