5.1.3.1. Changelog for the LTC LTC6813-1-based 18 cell BMS-Slave

5.1.3.1.1. v1.1.6

  • Add new design variant “automotive_single-AFE” with only primary AFE populated.

  • Update schematic design with new template.

  • Add PNP data to release.

5.1.3.1.2. v1.1.5

  • Improve EMI layout.

  • Adapt component variants to other changes.

5.1.3.1.3. v1.1.4

  • Replace DC/DC converter power inductor with AEC-Q compliant one.

  • Add circuit for switching off DC/DC converters in LTC sleep mode.

  • Add pull-ups on all GPIOs of the LTCs.

5.1.3.1.4. v1.1.3

  • Cleanup schematic.

  • Improve fonts and sizes on PCB.

5.1.3.1.5. v1.1.2

  • Replace ACPL-247 with ACPL-217 optocoupler in order to be able to use automotive components.

5.1.3.1.6. v1.1.1

  • Replace port expander with TCA6408APWR (automotive).

  • Replace analog buffer opamp with AD8628ARTZ-R2 (automotive).

  • Replace DC/DC buck controller with LM5161QPWPRQ1 (automotive).

5.1.3.1.7. v1.1.0

  • Port schematics and layout to Altium Designer.

  • Create hierarchical design.

  • Introduce minor improvements to design.

  • Replace linear regulation (PNP transistor) for LTC power supply with DC/DC converters.

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

  • Add 8-24 V isolated external power supply.

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

  • Replace isoSPI transformers HX1188NL with HM2102NL.

  • Reduce balancing resistors from 2x 68 Ohm to 2x 130 Ohm due to shrunk cooling areas.

  • Add layermarker on PCB.

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

5.1.3.1.8. v1.0.1

  • Replace all LTC1380 multiplexer with ADG728 multiplexer.

5.1.3.1.9. v1.0.0

  • Initial release.