BQ40Z50RSMR-R2 datasheet(29/55 Pages) TI2

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9 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

9.1 Application Information

The BQ40Z50-R2 is a gas gauge with primary protection support, and can be used with 1-series to 4-series

Li-ion/Li-polymer battery packs. To implement and design a comprehensive set of parameters for a specific

battery pack, users need the Battery Management Studio (BQSTUDIO) graphical user-interface tool installed on

a PC during development. The firmware installed on the BQSTUDIO tool has default values for this product,

which are summarized in the BQ40Z50-R2 Technical Reference Manual (SLUUBK0). Using the BQSTUDIO tool,

these default values can be changed to cater to specific application requirements during development once

the system parameters, such as fault trigger thresholds for protection, enable/disable of certain features for

operation, configuration of cells, chemistry that best matches the cell used, and more are known. This data is

referred to as the "golden image."

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BQ40Z50-R2

SLUSCS4C – JUNE 2017 – REVISED APRIL 2021

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