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4 Quick Start Guide
This section includes hardware setup instructions, connection procedures, and software and GUI instructions.
4.1 Launch Pad Connection and Example Code
4.1.1 Required Devices for Using the Example Code
The system example code is implemented using the TMS570LS12LaunchPad™ board (TMS570LS1224 MCU)
and the BQ79631EVM via Code Composer Studio.
The part numbers of the evaluation modules are LAUNCHXL2-TMS57012 and BQ79631EVM-039 (for
BQ79631-Q1 evaluation). These boards are available from the TI eStore (https://estore.ti.com/) or from your
local TI sales representative. For more details and information related to the LaunchPad modules, see the
specific module user's guide.
4.1.2 Power Connections
As briefly mentioned in
Powering the
connection on the top left side of the board. All of the high voltage connections for testing purposes are found
along the bottom of the board as is the VCC40V pin for use in the event that the user does not have access to a
high voltage lab.
4.1.3 Connecting the EVM to the TMS570 LaunchPad
The EVMs are connected using a standard wire jumper;
EVMs. By default, the TMS570 LaunchPad is powered by the USB port on the host computer.
Connection Name
TX
RX
nFAULT
GND
4.1.4 Software
The software provides a command API and drivers that are capable of implementing the examples provided in
BQ79631-Q1 Software Design Reference.
The example code only provides a control interface to the BQ79631-Q1 and does not provide any other
communications interface to the outside world. The customer is expected to develop their own communication
implementation. Examples of communications interfaces available to the TMS570 are SPI, CAN, or UART.
For the TMS570 example code, UART is the communication protocol used between the microcontroller and
BQ79631-Q1 device.
This firmware provided with this application note provides source code examples of the command sequences
described in the BQ79631-Q1 Software Design Reference.
Importing a project into Code Composer Studio™: 1. Launch the provided file: BQ79631-Q1 Example Code
0.1 Installer.exe and extract files to the default path provided (C:\ti\bq79631-Q1 Example Code 0.1). 2. Launch
Code Composer Studio (CCS): Start → Programs → Texas Instruments → Code Composer Studio v8 → Code
Composer Studio v8 3. When it launches, CCS requests a workspace is selected, choose "C:\myWorkspace".
Once CCS loads, go to: Project → Import CSS Projects... → Select search-directory 4. In Select search-
directory, browse to the folder: C:\ti\bq79631-Q1 Example Code 0.1 5. In Discovered projects:, check BQ79616-
Q1 example code
SLUUCC3 – FEBRUARY 2021
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BQ79631EVM, power to the EVM itself is handled through the 5V_LV
Table 4-1
Table 4-1. Connections
EVM
J11 pin 5
J11 pin 4
J11 pin 2
J11 pin 1
Copyright © 2023 Texas Instruments Incorporated
shows the connections between the two
TMS570 LaunchPad
J2 pin 3 (UARX)
J2 pin 4 (UATX)
J2 pin 5 (PA7)
J3 pin 2 (GND)
BQ79631EVM Evaluation Module
Quick Start Guide
15
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