Texas Instruments bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge EVM BQ3050EVM-001 BQ3050EVM-001 데이터 시트
제품 코드
BQ3050EVM-001
EVM Hardware and Software Setup
4.3
bq3050/bq29440 Circuit Module Performance Specification Summary
This section summarizes the performance specifications of the bq3050/bq29440 circuit module.
Table 3. Performance Specification Summary
Specification
Min
Typ
Max
Units
Input voltage Pack+ to Pack
–
5
15
25
V
Charge and discharge current
0
2
7
A
5
EVM Hardware and Software Setup
This section describes how to install the bq3050EVM-001 PC software, and how to connect the different
components of the EVM.
components of the EVM.
5.1
System Requirements
The bq3050EVSW requires Windows 2000, XP, Vista, or 7.
5.2
Software Installation
NOTE:
To get the latest software archive, contact the Texas Instruments field representative
assigned to work with this device.
To install the bq3050EVSW software, do the following:
1. Save the archive to a temporary directory.
2. Double-click on the executable filename, and follow the installer instructions to complete the bq3050
EVSW installation.
If the EV2300 was not previously installed: After bq3050 EVSW installation, a TI USB DRIVER
INSTALLER pops up. Click Yes for the agreement message and follow its instructions.
INSTALLER pops up. Click Yes for the agreement message and follow its instructions.
3. Plug the EV2300 into a USB port.
6
Troubleshooting Unexpected Dialog Boxes
Users downloading the files must be logged in as the administrator, or must have privileges to install new
programs.
programs.
The driver is not signed, so the administrator must allow installation of unsigned drivers in the operating
system policy.
system policy.
7
Hardware Connection
The bq3050EVM-001 comprises two hardware components: the bq3050/bq29440 circuit module and the
EV2300 PC interface box.
EV2300 PC interface box.
7.1
Connecting the bq3050/bq29440 Circuit Module to a Battery Pack
shows how to connect the bq3050/bq29440 circuit module to the cells and system load/charger.
The cells must be connected in the following order:
1. 4-Cell Pack: 1N (BAT
–
), 1P, 2P, 3P, then 4P (see
for definitions).
2. 3-Cell Pack: 1N (BAT
–
), 1P, 2P, and then connect 4P and 3P together.
3. 2-Cell Pack: 1N (BAT
–
), 1P, and then connect 4P, 3P, and 2P together.
To start charge or discharge test, connect SYS PRES pin to Pack
–
pin to set SYS PRES state. To test
sleep mode, disconnect the SYS PRES pin.
10
bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A
–
November 2011
–
Revised December 2011
Solution EVM
Copyright
©
2011, Texas Instruments Incorporated