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bq78350-R1

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SLUSCD0B – AUGUST 2015 – REVISED NOVEMBER 2018

Product Folder Links: bq78350-R1

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9 Application and Implementation

9.1 Application Information

The bq78350-R1 Battery Management Controller companion to the bq769x0 family of battery monitoring AFEs

enables many standard and enhanced battery management features in a 3-series to 15-series Li-Ion/Li Polymer

battery pack.

To design and implement a complete solution, users need the Battery Management Studio (bqStudio) tool to

configure a "golden image" set of parameters for a specific battery pack and application. The bqStudio tool is a

graphical user-interface tool installed on a PC during development. The firmware installed in the product has

default values, which are summarized in the bq78350-R1 Technical Reference Manual (SLUUBD3). With the

bqStudio tool, users can change these default values to cater to specific application requirements. Once the

system parameters are known (for example, fault trigger thresholds for protection, enable/disable of certain

features for operation, configuration of cells, among others), the data can be saved. This data is referred to as

the "golden image.”

9.2 Typical Applications

The bq78350-R1 device can be used with the bq76920, bq76930, or bq76940 device, but it is set up, by default,

for a 5-series cell, 4400-mA battery application using the bq76920 AFE.