User`s guide

User's Guide
SBOU074A–January 2009–Revised February 2010
INA219 Evaluation Module
This user’s guide describes the characteristics, operation, and use of the INA219 evaluation module
(EVM). It covers all pertinent areas involved to properly use this EVM board. This document includes the
physical printed circuit board layout, schematic diagrams, and circuit descriptions.
Contents
1 Overview ..................................................................................................................... 2
2 System Setup ................................................................................................................ 4
3 INA219EVM Hardware Setup ............................................................................................. 7
4 INA219 Software Overview .............................................................................................. 14
5 Bill of Materials ............................................................................................................. 20
List of Figures
1 Hardware Included with the INA219EVM................................................................................ 2
2 INA219EVM Hardware Setup ............................................................................................. 4
3 INA219_Test_Board Block Diagram...................................................................................... 4
4 INA219_Test_Board Schematic........................................................................................... 5
5 USB_DIG_Platform Theory of Operation ................................................................................ 7
6 Typical Hardware Connections............................................................................................ 8
7 Connecting Power to the EVM ............................................................................................ 9
8 Connecting the USB Cable............................................................................................... 10
9 INA219EVM Default Jumper Settings .................................................................................. 11
10 INA219EVM Software—Functioning Properly ......................................................................... 15
11 INA219EVM Software—No Communication with the USB DIG Platform .......................................... 16
12 INA219EVM Software—No Communication with the USB DIG Platform and INA219........................... 17
13 EVM Controls Drop-Down Menu ........................................................................................ 19
14 Current Software Revision ............................................................................................... 19
List of Tables
1 Signal Definition of J1 (25-Pin Male DSUB) on INA219_Test_Board................................................ 6
2 INA219_Test_Board Jumper Functions ................................................................................ 11
3 USB DIG Platform Jumper Settings..................................................................................... 12
4 Power-Supply Jumper Configuration #1................................................................................ 13
5 Power-Supply Jumper Configuration #2................................................................................ 13
6 INA219_Test_Board Parts List .......................................................................................... 20
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SBOU074A–January 2009–Revised February 2010 INA219 Evaluation Module
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