dworz/diyBMS-Module-AllinOne-ActiveBalancer
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Inspired by Stuart Pittaways diyBMS
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README.md

AllInOne Monitoring Module with Active Balancer

Inspired by Stuart Pittaways diyBMS

I am working in KiCad. The latest changes might not be in the PDF

Changes to diyBMS

  • Uses MP2787 instead of MAX14921

    MAX14921 only goes to 65V but 16s LiIon is 16 * 4.25V = 68V

    MP2787 integrates A/D converter with reference voltage for cells, current shunt and thermistors

    MP2787 includes LDO 3.3V

    MP2787 goes up to 75V

  • Replaces STM32F03 with ESP32-C3 because the Controller board is already based on ESP32 and it can be programmed via USB without adapter.

  • Includes active balancer using capacitors.

    See Stuarts Video

License

CC BY-NC-SA 4.0