5.1.2.1. Changelog for the LTC LTC6811-1-based 12 cell BMS-Slave

5.1.2.1.1. v2.1.7

  • Modify component designators to be compatible with 18cell versions.

5.1.2.1.2. v2.1.6

  • Improve EMI (layout).

  • Add RC filters on NTC sensor inputs.

  • Add DC/DC converters for 5V LTC supplies.

5.1.2.1.3. v2.1.5

  • Replace opamps, port expanders and optocouplers with AEC-Q100 compliant ones.

  • Modify silkscreen texts.

5.1.2.1.4. v2.1.4

  • Change primary software timer to be now switched on by default.

  • Add layermarker on PCB.

5.1.2.1.5. v2.1.3

  • Replace EOL port expander with PCF8574.

5.1.2.1.6. v2.1.2

  • Port schematics and layout to Altium Designer.

  • Create hierarchical design.

  • Introduce minor improvements to design.

5.1.2.1.7. v2.1.1

  • Improved isolation distances between external DC/DC converter supply and battery module signals.

5.1.2.1.8. v2.1.0

  • Add 8-24 V isolated external power supply.

  • Replace I2C EEPROM 24AA02UID with M24M02-DR (ECC).

  • Switch connection of balancing resistors from serial to parallel.

  • Replace isoSPI transformers HX1188NL with HM2102NL.

5.1.2.1.9. v2.0.3

  • Fix isoSPI transformer CMC issue.

5.1.2.1.10. v2.0.2

  • Replace LTC1380 multiplexer with ADG728 (400 kHz I2C).

  • Adjust connection of 100 ohm resistors for V+/V_REG supply.

  • Reduce value of I2C pull-up resistors to 1k2.

5.1.2.1.11. v2.0.1

  • Add missing cooling areas on bottom side, adjusted silk screen.

  • Enlarge PCB tracks, R201/202/301/302 other package.

  • Enlarge T201/301 cooling area.

  • Replace PCF8574 with PCA8574 (400 kHz I2C).

5.1.2.1.12. v2.0.0

  • Initial release.