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Send HDQ Screen
To configure a bq27742 fuel gauge into HDQ mode, navigate to the Send HDQ screen. It is possible that
all the screen options on the left are not visible depending on screen resolution. If needed scroll within the
left menu to access the Send HDQ link. Click on the "Change comm to HDQ8" button while having the
bq27742 fuel gauge connected to the EV2300 interface board via I
message to appear indicating that the process is not reversible and to confirm if the actions are desired.
Also, it explains what to do once the HDQ mode has been activated.
Once converting the bq27742 fuel gauge into HDQ mode, it is required that you connect the HDQ terminal
of the EV2300 interface board with the HDQ connector (J4) of the bq27742 EVM, then restart the EVSW,
and select the "bq27742HDQR1" with the proper firmware version from the list of supported devices within
the EVSW.
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Related Documentation From Texas Instruments
To obtain a copy of any of the following TI documents, call the Texas Instruments Literature Response
Center at (800) 477-8924 or the Product Information Center (PIC) at (972) 644-5580. When ordering,
identify this document by its title and literature number. Updated documents also can be obtained through
the TI Web site at www.ti.com.
1. bq27742-G1, Single Cell Li-Ion Battery Fuel Gauge with Integrated Protection Data Sheet (SLUSBV9)
2. bq27742-G1, Pack-Side Impedance Track™ Battery Fuel Gauge With Integrated Protector and LDO
User's Guide (SLUUAX8)
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Revision History
Version
—
March 2014
SLUUAX8 – March 2014
Submit Documentation Feedback
Date
Initial Release
bq27742EVM Single-Cell Impedance Track™ Technology Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
2
C. Clicking on the button causes a
Description
Send HDQ Screen
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