Temperature measurement system for ltc3300-1

Question

Hello,

I build a battery management system up to 180 cells. I think the best choice for my prototype will be your LTC3300-1 and LTC680X. From datasheet of LTC6806 I know that I can connect 6 external temperature sensors. But the pivotal assumption of my project is the temperature measurement of each cell. Could you suggest a way how to choose the best temperature measurement system which cooperated with LTC3300-1 and LTC680X? for each cell.

Best regards,

Marcin.S

ADIApproved · Accepted Answer

Please refer to DC2100B-C schematic, p. 5, for a temperature-measurement example using LTC1380 analog multiplexers with Vishay NTHS0603N01N1002JE NTC thermistors. The output of the analog multiplexers are fed to an A/D input on LTC6804s. DC2100B-C schematic can be found at https://www.analog.com/media/en/technical-documentation/eval-board-schematic/DC2100B-1-SCH.PDF .)

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Temperature measurement system for ltc3300-1