Datasheet

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EVM Hardware and Software Setup

3.5 bq28550EVM-001 Circuit Module Performance Specification Summary

This section summarizes the performance specifications of the bq28550EVM-001 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 2 4 A

4 EVM Hardware and Software Setup

This section describes how to install the bq28550EVM-001 PC software, and how to connect the different

components of the EVM.

4.1 System Requirements

The bq28550EVM-001 EVSW requires Windows™ 2000 or Windows XP™.

4.2 Software Installation

Get the latest software version in the bq28550 tool folder on www.ti.com, and follow these steps to install

the bq28550EVM-001 EVSW:

1. Save the archive to a temporary directory. Open the archive containing the installation package, and

copy its contents to a temporary directory. The executable filename can consist of several component

names and versions. Double-click on the executable filename, and follow the installer instructions to

complete the bq28550EVM-001 installation.

2. If an EV2300 or EV2400 was not previously installed, after bq28550EVM-001 installation, a TI USB

DRIVER INSTALLER pops up. Click Yes for the agreement message and follow its instructions.

3. Plug the EV2300/EV2400 into a USB port.

5 Troubleshooting Unexpected Dialog Boxes

1. Ensure that the files were extracted from the zip file using the Preserve Folder names option.

2. Ensure that all the files were extracted from the zip file.

The user 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 policy.

6 Hardware Connection

The bq28550EVM-001 comprises three hardware components: the bq28550 circuit module, the EV2300 or

EV2400 PC interface board, and the PC.

6.1 Connecting bq28550 Circuit Module to the Cell

Figure 6 shows an overview of how the bq28550EVM-001 circuit module connects to the cells and system

load/charger.

SLUU520– July 2011 bq28550 Single Cell Li-Ion Battery Gas Gauge and Protection EVM

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