Q&A LTC6804-2 Thermistor connections

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hmistry on Nov 29, 2018

Hi,

I am using the LTC6804 in a BMS system and require 4 thermistor inputs from a single chip. I understand that the Vref2 pin is used for thermistors but is it possible to use the GPIO pins and Vref1 as thermistor inputs?

Thanks

Hursh

0 Harshit.Analog

on Dec 12, 2018 7:36 AM over 2 years ago
Hi,

I can see that, you have to connect 4 thermistors to the LTC6804. There are 5 GPIO pins on LTC6804, you can use these lines with a suitable pull up for your thermistor inputs. You can not connect thermistor to Vref1 as it is a internal ADC reference and you cannot load it.
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