Texas Instruments Evaluation Module for BQ76925 Analog Front End for 3 to 6 Series Lithium-Ion Cells BQ76925EVM BQ76925EVM Datenbogen
Produktcode
BQ76925EVM
Overview
1
Overview
This section describes the features of the bq76925EVM and the equipment that is typically required to
demonstrate and use the EVM.
demonstrate and use the EVM.
1.1
Features
A summary of the features of the bq76925EVM follows.
•
One bq76925 and one MSP430F2122 device with associated support circuitry
•
Support for 3-to 6-series connected cells
–
Pluggable terminal block for cell connections, or
–
Onboard simulation of cells for operation from a power supply
•
bq76925 circuit is jumper configurable for internal or external 3.3-V source
•
MSP430 application circuit includes
–
JTAG connector
–
Reset and SOC buttons
–
Four, controllable LEDs
–
I2C
™
interface to bq76925 and to USB-to-GPIO
–
Pack status connector
•
Supports nominal 4.2-V to 26.4-V pack voltages, 30 V maximum
•
20-A continuous charge/discharge current rating
–
0.001-
Ω
(equivalent) shunt resistor
–
High-current, stud-type connections for battery power and pack power
•
Onboard thermistor for temperature measurement
•
Transient voltage protection of PACK
±
terminals
•
Connector for USB-TO-GPIO Adapter
•
Test points for monitoring of cell voltages and other important circuit nets
•
EVM design files in Mentor Graphics
™
PADs
™
2009 format available on request
•
Gerber files available on request
1.2
Kit Contents
The bq76925EVM includes the PWR008 printed-circuit board (PCB). Evaluation software is downloadable
from the Texas Instruments Web site (
from the Texas Instruments Web site (
).
1.3
Equipment Requirements
The bq76925EVM includes one PCB containing a bq76925 application circuit. The following equipment
and software are typically needed for operation. Some items depend on the usage case.
and software are typically needed for operation. Some items depend on the usage case.
1.3.1
bq76925 Evaluation Software
The bq76925 Evaluation Software is the Microsoft
™
Windows
™
application that controls and interfaces
with the bq76925. Installation of this software on a compatible personal computer (PC) is required. The
installation file can be found on the product page for the bq76925 on the Texas Instruments Web site.
installation file can be found on the product page for the bq76925 on the Texas Instruments Web site.
1.3.2
Microsoft Windows-Compatible Computer
The minimum requirement for the PC and operating system are as follows:
•
Pentium
™
III class or better processor at 1.6 GHz
•
Microsoft Windows 2000, XP, or later (32-bit OS)
•
512 MB or more RAM
•
15 MB of free hard-disk space
•
CD-ROM drive
•
Adobe
™
Reader
™
5.0 or later
4
bq76925EVM Evaluation Module
SLUU514
–
July 2011
Copyright
©
2011, Texas Instruments Incorporated