8.2
Setting Programmable bq20z65 Options
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Operation
The bq20z65 data flash comes configured per the default settings detailed in the bq20z65 data sheet.
Ensure that the settings are correctly changed to match the pack and application for the bq20z65 solution
being evaluated.
IMPORTANT:
The correct setting of these options is essential to get the best performance.
The settings can be configured using the Data Flash screen (
Figure 9. Data Flash Screen, 1st Level Safety Class
To read all the data from the bq20z65 data flash, click on menu option | Data Flash | Read All |.
To write to a data flash location, click on the desired location, enter the data and press <Enter>, which
writes the entire tab of flash data, or select menu option | Data Flash | Write All |. The data flash must be
read before any writes are performed to avoid any incorrect data being written to the device.
The | File | Special Export | menu option allows the data flash to be exported, but it configures the
exported data flash to a learned state ready for mass production use.
The data flash configuration can be saved to a file by selecting | File | Export | and entering a file name. A
data flash file also can be retrieved in this way, imported, and written to the bq20z65 using the | Write All |
button.
The configuration information of the bq29z95 and module calibration data also is held in the bq20z65 data
flash.
SLUU353 – June 2009
bq20z65EVM-001 SBS 1.1 Impedance Track™ Technology
11
Enabled Battery Management Solution Evaluation Module
