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Measure multiple temp in battery mgmt system

Posted: 03 May 2012 ?? ?Print Version ?Bookmark and Share

Keywords:lithium-ion? battery-management system? multiplexers?

It is greatly important that lithium-ion battery stacks have a good battery-management system for monitoring many cell voltages and cell temperatures. Without that monitoring, thermal runaway can lead to a battery explosion. This design idea presents a low-power circuit that measures the temperature of up to 12 thermistors. It powers and configures the multiplexers, and also puts the muxes into shutdown to save power when not measuring temperatures.

View the PDF document for more information.

Originally published by Maxim Integrated Products at as "Measure Multiple Temperatures in Battery-Management Systems, and Save Power Too".

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