SBOU113A
June 2011 – January 2023
INA226EVM Rev A Model User's Guide and Software Tutorial
1
Trademarks
2
Overview
2.1
INA226EVM Kit Contents
2.2
Related Documentation from Texas Instruments
3
INA226EVM Hardware Setup
3.1
Theory of Operation for INA226 Hardware
3.2
Signal Definitions of H1 (10-Pin Connector Socket)
3.2.1
Theory of Operation for SM-USB-DIG Platform
4
INA226EVM Hardware
4.1
Electrostatic Discharge Warning
4.2
Connecting the Hardware
4.3
Connecting Power
4.4
Connecting the USB Cable to the SM-USB-DIG Platform
4.5
INA226EVM Default Jumper Settings
4.6
INA226EVM Features
4.6.1
J2: I2C VS Control Setting
4.6.2
J3/J4: I2C Address Hardware Setting (A0)
4.6.3
J5/J6: I2C Address Hardware Setting (A1)
4.6.4
External I2C Lines and Terminal Block T1
4.6.5
VIN+/VIN– Input Filter (R1, R2, and C1)
4.6.6
Shunt Monitor Configuration and Terminal Blocks T3 and T4
5
INA226EVM Software Setup
5.1
Hardware Requirements
5.2
Software Installation
6
INA226EVM Software Overview
6.1
Starting the INA226EVM Software
6.2
Configuring the INA226EVM Software
6.2.1
I2C Address Selection
6.2.2
Configure Operating Mode
6.2.3
Set Conversion Times
6.2.4
Set Configuration Register
6.2.5
Configuring the Alert Pin
6.3
Using the INA226EVM Software
6.3.1
INA226 Bus Voltage, Shunt Voltage, Current, and Power Reading Bar
6.3.2
Calculation and Theory of Operation
6.3.3
Register Tab
6.3.4
Graph Tab
6.3.5
Auto-Write and the Supply Voltage
7
INA226EVM Documentation
7.1
Schematic
7.2
PCB Layout
7.3
Bill of Materials
8
Revision History
5
INA226EVM Software Setup
This section discusses how to install the INA226EVM software.