Circuit Module Physical Layout, Bill of Materials and Schematic
8
SLUUA63A – April 2013 – Revised July 2016
Copyright © 2013–2016, Texas Instruments Incorporated
bq27421 EVM: Single-Cell Impedance Track Technology
3.4
bq27421 Circuits Module Performance Specification Summary
This section summarizes the performance specifications of the bq27421 circuit module.
Table 3. Performance Specification Summary
Specification
Min
Typ
Max
Units
Input voltage Pack+ to Pack–
2.7
3.6
4.3
V
Charge and discharge current
0
1
2.5
A
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.