5.1.2.1. Changelog for Slave LTC LTC6811-1

5.1.2.1.1. v2.1.7

  • modified component designators to be compatible with 18cell versions

5.1.2.1.2. v2.1.6

  • EMI improvements (layout)

  • added RC filters on NTC sensor inputs

  • added DC/DC converters for 5V LTC supplies

5.1.2.1.3. v2.1.5

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

  • Modified silkscreen texts

5.1.2.1.4. v2.1.4

  • Primary software timer is now switched on by default

  • added layermarker on PCB

5.1.2.1.5. v2.1.3

  • replaced EOL port expander with PCF8574

5.1.2.1.6. v2.1.2

  • ported schematics and layout to Altium Designer

  • created hierarchical design

  • introduced 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

  • added 8-24 V isolated external power supply

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

  • switched connection of balancing resistors from serial to parallel

  • replaced isoSPI transformers HX1188NL with HM2102NL

5.1.2.1.9. v2.0.3

  • fixed isoSPI transformer CMC issue

5.1.2.1.10. v2.0.2

  • replaced LTC1380 multiplexer with ADG728 (400 kHz I2C)

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

  • reduced value of I2C pull-up resistors to 1k2

5.1.2.1.11. v2.0.1

  • added missing cooling areas on bottom side, adjusted silk screen

  • enlarged PCB tracks, R201/202/301/302 other package

  • enlarged T201/301 cooling area

  • Replaced PCF8574 with PCA8574 (400 kHz I2C)

5.1.2.1.12. v2.0.0

  • initial release