Texas Instruments bq27750EVM, User Manual

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Battery Management Studio
13 SLUUBP4 – June 2017
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bq27750EVM 1-Series Li-Ion Battery Pack Manager Evaluation Module
3.8 Advanced Comm Screen
Press the Advanced Comm button to select the Advanced Comm window. This tool provides access to
parameters using I
2
C and Manufacturing Access commands, see Figure 9 . The transaction log screen
shows the history of sent commands.
NOTE: I
2
C commands are sent in Little-Endian format.
Figure 9. Advanced Comm Screen
Examples:
Reading an I
2
C Command.
• Read chemical ID (0x 0006).
– Write to mac address 3e Command 06 00 (see Figure 9 )
– Read 4 bytes.
– The result returned is 10 12, which is little endian for chem id 1210.
Sending a MAC Gauging() to enable IT via ManufacturerAccess() .
• With Impedance Track™ disabled, send Gauging() (0x0021) to ManufacturerAccess() .
– Write to mac address 3e command 21 00 (see Figure 9 ).