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bqEASY™ Software
(1A) Open Project
(1B) Write default .DFI file to
gauge (or keep existing image)
(2A~2H) Configure gauge from
wizard questions
(3A~3F) Calibrate gauge
(3F) Read/save configured flash
from gauge to .DFI binary file
(4A) Are the
cell based on
standard Li-Ion
chemistry?
Yes
10.3 Simplified Configuration Procedures
These simplified configuration procedures can be used to quickly set up the parameters without navigating
through the entire user interface.
1. Simple configuration of the gas gauge with default or custom data:
(a) Open the current EV software, and click the bqEASY button in the left column of buttons below the
"Calibrate" button in the EV software.
(b) Click the "2. Configure" tab at the top row of bqEASY™ tabs. (Note: You can skip the first tab.)
(c) Answer all questions, or leave defaults for all of tab "2", but be sure to click the "OK" button at the
bottom of each tab "2" page to ensure that a Completion Checkmark appears for each page.
16
bq27520EVM With System-Side, Single-Cell Impedance Track™ Technology
(4B) Display available chemistry files
(4A) Is the cell
chemistry
identifiable
from the list?
Yes
No
Figure 12. bqEASY™ Flowchart
Copyright © 2010, Texas Instruments Incorporated
No
(4C) Do chemistry selection cycle
to log elapsed time, voltage,
temperature and current
(4C) Write previously saved
configured .DFI file to gauge
(4C) Programmatically select best
chemistry match
(4C) Write selected chemistry
model to gauge
(4C) Read/save configured flash
from gauge to .DFI binary file
(5A) Enable Impedance Track
algorithm
(5A~5B) Perform learning cycles
(5C) Write previously saved .DFI
binary file to the gauge to insure
no cycling corruption
(5C) Write Ra Table, Qmax, Cycle
Count and Update Status to gauge
(5C) Reset Gauge
(5C) Read flash, save golden .DFI
file
SLUU426 – June 2010
www.ti.com
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