Texas Instruments INA231 Evaluation Module INA231EVM INA231EVM 数据表
产品代码
INA231EVM
User's Guide
SBOU128 – February 2013
INA231EVM Evaluation Board and Software Tutorial
This user's guide describes the characteristics, operation, and use of the INA231EVM evaluation board. It
discusses how to set up and configure the software and hardware, and reviews various aspects of the
program operation. Throughout this document, the terms evaluation board, evaluation module, and EVM
are synonymous with the INA231EVM. This user's guide also includes information regarding operating
procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout
drawings, and a parts list for the EVM.
discusses how to set up and configure the software and hardware, and reviews various aspects of the
program operation. Throughout this document, the terms evaluation board, evaluation module, and EVM
are synonymous with the INA231EVM. This user's guide also includes information regarding operating
procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout
drawings, and a parts list for the EVM.
Contents
1
Overview
.....................................................................................................................
2
INA231EVM Hardware Setup
.............................................................................................
3
INA231EVM Hardware
.....................................................................................................
4
INA231EVM Software Setup
.............................................................................................
5
INA231EVM Software Overview
.........................................................................................
6
INA231EVM Documentation
.............................................................................................
List of Figures
1
Hardware Included with INA231EVM Kit
.................................................................................
2
INA231EVM Hardware Setup
.............................................................................................
3
INA231EVM Test Board Block Diagram
.................................................................................
4
SM-USB-DIG Platform Block Diagram
...................................................................................
5
Typical Hardware Test Connections for the INA231EVM
.............................................................
6
Connecting the USB Cable to the SM-USB-DIG Platform
.............................................................
7
Confirmation of SM-USB-DIG Platform Driver Installation
.............................................................
8
INA231EVM Default Jumper Settings
....................................................................................
9
Typical Filter Setup
........................................................................................................
10
INA231 Shunt Configurations
............................................................................................
11
INA231EVM Software Installation
.......................................................................................
12
INA231EVM License Agreements
.......................................................................................
13
INA231EVM Software Installation Progress
...........................................................................
14
INA231EVM Software Interface
.........................................................................................
15
INA231EVM Software: Communication Error with the SM-USB-DIG Platform
....................................
16
Setting the A1 Address
...................................................................................................
17
Configuring Operating Mode
.............................................................................................
18
Configuring Conversion Times
...........................................................................................
19
Setting the Configuration Register (Calibration Register)
............................................................
20
Setting the Configuration Register (Current LSB)
.....................................................................
21
Configuring the Alert Pin
..................................................................................................
22
INA231 Results Bar
.......................................................................................................
23
Theory of Operation Flowchart on the Calculation Tab
..............................................................
24
Registers Tab
..............................................................................................................
Microsoft, Windows are registered trademarks of Microsoft Corporation.
I
I
2
C is a trademark of NXP Semiconductors.
WinZIP is a registered trademark of WinZip International LLC.
All other trademarks are the property of their respective owners.
All other trademarks are the property of their respective owners.
1
SBOU128 – February 2013
INA231EVM Evaluation Board and Software Tutorial
Copyright © 2013, Texas Instruments Incorporated