SBOU264B
May 2021 – December 2022
INA232
,
INA234
,
INA236
Abstract
1
Trademarks
2
Overview
2.1
Kit Contents
2.2
Related Documentation From Texas Instruments
3
Hardware
3.1
Features
4
Operation
4.1
Quick Start Setup
4.2
EVM Operation
4.2.1
Setup
4.2.1.1
Driver Installation
4.2.1.2
Firmware
4.2.1.2.1
Firmware Debug
4.2.1.3
GUI Setup and Connection
4.2.1.3.1
Initial Setup
4.2.1.3.2
GUI to EVM Connection
4.2.2
GUI Operation
4.2.2.1
Homepage Tab
4.2.2.2
Configuration Tab
4.2.2.3
Registers Tab
4.2.2.4
Results Data Tab
4.2.3
Current Sensing Operation
4.2.3.1
Without Shunt Resistor
4.2.3.2
With Shunt Resistor
4.2.4
Direct EVM USB Communication
4.2.4.1
Standard USB CDC Read and Write Operations
4.2.4.2
Collect Data Through the USB BULK Channel
5
Circuitry
5.1
Current Sensing IC
5.2
Input Signal Path
5.3
Digital Circuitry
5.3.1
I2C
6
Schematics, PCB Layout, and Bill of Materials
6.1
Schematics
6.1.1
SENS079 (INA234EVM, INA236EVM)
6.1.2
SENS090 (INA232EVM)
6.2
PCB Layout
6.2.1
SENS079 (INA234EVM, INA236EVM)
6.2.2
SENS090 (INA232EVM)
6.3
Bill of Materials
6.3.1
SENS079 (INA234EVM, INA236EVM)
6.3.2
SENS090 (INA232EVM)
7
Revision History
6.1.2
SENS090 (INA232EVM)
Figure 6-3
shows the schematic of the SENS090 variant (INA232EVM).
Figure 6-3
SENS090 Schematic