# ESP32 BMS V1.2 ## Description This BMS 10s board for Zinc ion batteries is made of water, zinc, and carbon. The maximum battery voltage is 1.8v. #BMS #zinc #esp32#battery ## Project Details - **Owner:** vasyl - **Created:** 7/11/2022 - **Last Updated:** 7/14/2023 - **Visibility:** Public - **Stars:** 4 - **Forks:** 3 - **Copies:** 8 ## Key Components ### BT1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT10 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT2 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT3 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT4 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT5 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT6 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT7 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT8 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### BT9 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### D1 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Manufacturer Part Number: MM3Z3V6 - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Name: Diotec Semiconductor **Pins:** - A - K ### D10 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Manufacturer Part Number: MM3Z3V6 - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Name: Diotec Semiconductor **Pins:** - A - K ### D11 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Manufacturer Part Number: MM3Z3V6 - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf **Pins:** - A - K ### D12 — [SS24](https://www.flux.ai/vasyl/ss24~dq.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2206091716_JUXING-SS24_C3033280.pdf - Manufacturer Part Number: SS24 - Part Type: Diode - Manufacturer Name: JUXING **Pins:** - ~ - ~ ### D13 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Name: Diotec Semiconductor - Manufacturer Part Number: MM3Z3V6 - Part Type: Diode **Pins:** - A - K ### D2 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Part Number: MM3Z3V6 - Part Type: Diode **Pins:** - A - K ### D5 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Manufacturer Part Number: MM3Z3V6 - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf **Pins:** - A - K ### D6 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Manufacturer Part Number: MM3Z3V6 - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf **Pins:** - A - K ### D7 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Name: Diotec Semiconductor - Manufacturer Part Number: MM3Z3V6 - Part Type: Diode **Pins:** - A - K ### D8 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Manufacturer Part Number: MM3Z3V6 - Manufacturer Name: Diotec Semiconductor - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Part Type: Diode **Pins:** - A - K ### D82 — [MM3Z3V6](https://www.flux.ai/vasyl/mm3z3v6~rur.md) - Part Type: Diode - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/mm3z2v4.pdf - Manufacturer Name: Diotec Semiconductor - Manufacturer Part Number: MM3Z3V6 **Pins:** - A - K ### IC1 — [BA7805FP-E2](https://www.flux.ai/vasyl/ba7805fp-e2~2f.md) - Manufacturer Part Number: BA7805FP-E2 - Part Type: Integrated Circuit - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809301321_ROHM-Semicon-BA7805FP-E2_C79639.pdf - Manufacturer Name: ROHM Semicon **Pins:** - INPUT - N-C- - OUTPUT ### IC2 — [PCA9535PW](https://www.flux.ai/vasyl/pca9535pw~1oe.md) - Manufacturer Name: NXP USA Inc. - Manufacturer Part Number: PCA9535PW - Part Type: Integrated Circuit - Datasheet URL: https://rocelec.widen.net/view/pdf/bwtwhodgoe/PHGL-S-A0003845940-1.pdf?t.download=true&u=5oefqw **Pins:** - *INT - A0 - A1 - A2 - IO0_0 - IO0_1 - IO0_2 - IO0_3 - IO0_4 - IO0_5 - IO0_6 - IO0_7 - IO1_0 - IO1_1 - IO1_2 - IO1_3 - IO1_4 - IO1_5 - IO1_6 - IO1_7 - SCL - SDA - VDD - VSS ### J3 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### Q1 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf **Pins:** - D - G - S ### Q10 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf **Pins:** - D - G - S ### Q11 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf **Pins:** - D - G - S ### Q12 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf **Pins:** - D - G - S ### Q13 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q14 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q15 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### Q16 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### Q17 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q18 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### Q19 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor **Pins:** - D - G - S ### Q2 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor **Pins:** - D - G - S ### Q20 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q22 — [NCEP0114AS](https://www.flux.ai/vasyl/ncep0114as~dk.md) - Manufacturer Part Number: Wuxi NCE Power Semiconductor - Manufacturer Name: NCEP0114AS - Part Type: Transistor - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Wuxi-NCE-Power-Semiconductor-NCEP0114AS_C190848.pdf **Pins:** - D - D - D - D - G - S - S - S ### Q23 — [NCEP0114AS](https://www.flux.ai/vasyl/ncep0114as~dk.md) - Part Type: Transistor - Manufacturer Name: NCEP0114AS - Datasheet URL: https://datasheet.lcsc.com/szlcsc/Wuxi-NCE-Power-Semiconductor-NCEP0114AS_C190848.pdf - Manufacturer Part Number: Wuxi NCE Power Semiconductor **Pins:** - D - D - D - D - G - S - S - S ### Q3 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Part Type: Transistor - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q4 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### Q5 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q6 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q7 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A **Pins:** - D - G - S ### Q8 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Manufacturer Part Number: AO3400A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### Q9 — [AO3400A](https://www.flux.ai/ramprakashvishnoi8/ao3400a~2n.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Manufacturer Part Number: AO3400A - Part Type: Transistor - Manufacturer Name: Alpha & Omega Semiconductor Inc. **Pins:** - D - G - S ### U1 — [ESP32-DEVKIT-V1](https://www.flux.ai/vasyl/esp32-devkit-v1~zya.md) - Manufacturer Name: Espressif Systems - Part Type: Module - Datasheet URL: https://www.snapeda.com/parts/ESP32-DEVKIT-V1/Do%20it/datasheet/ - Manufacturer Part Number: ESP32-DEVKIT-V1 **Pins:** - 3V3 - D12 - D13 - D14 - D15 - D18 - D19 - D2 - D21 - D22 - D23 - D25 - D26 - D27 - D32 - D33 - D34 - D35 - D4 - D5 - EN - GND - GND__1 - RX0 - RX2 - TX0 - TX2 - VIN - VN - VP *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/esp32-bms-v12~3jf](https://www.flux.ai/vasyl/esp32-bms-v12~3jf).* --- *Generated from [https://www.flux.ai/vasyl/esp32-bms-v12~3jf](https://www.flux.ai/vasyl/esp32-bms-v12~3jf)*