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Circuit Module Physical Layout, Bill of Materials and Schematic
3.4
bq27421 Circuits Module Performance Specification Summary
This section summarizes the performance specifications of the bq27421 circuit module.
Specification
Input voltage Pack+ to Pack–
Charge and discharge current
4
EVM Hardware and Software Setup
This section describes how to install the bq27421EVM PC software and how to connect the different
components of the EVM.
4.1
Software Installation
Find the latest software version at http://www.ti.com/tool/bqStudio. Use the following steps to install
Battery Management Studio:
1. Ensure that the EV2300 is not connected to the PC through a USB cable before starting this
procedure.
2. Select the Tool and Software tab in the product folder.
3. Under the Software section, click on Battery Management Studio (bqStudio) Software Suite.
4. Click the Download button to download the software.
5. Download software to hard drive.
6. Double-click the software executable and follow all instructions and prompts.
5
Troubleshooting Unexpected Dialog Boxes
The user that is downloading the files must be logged in as the administrator. The driver is not signed, so
the administrator must allow installation of unsigned drivers in the operating system. If using Windows 7,
install the software with administrator privileges.
8
bq27421 EVM: Single-Cell Impedance Track Technology
Table 3. Performance Specification Summary
Copyright © 2013–2016, Texas Instruments Incorporated
www.ti.com
Min
Typ
Max
2.7
3.6
4.3
0
1
2.5
SLUUA63A – April 2013 – Revised July 2016
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Units
V
A
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