Texas Instruments INA231 Evaluation Module INA231EVM INA231EVM Datenbogen
Produktcode
INA231EVM
J1
10-Pin SM-USB-DIG Connector
INA231
Vdut Supply
(DVDD)
I C Interface
2
T3, T4
Shunt
Terminals
4
J3, J4
J5, J6
I C Address Jumpers
2
A0
A1
SM-USB-DIG
INA231EVM
PC
Shunt
INA231EVM Hardware Setup
1.2
Related Documentation from Texas Instruments
The following documents provide information regarding Texas Instruments' integrated circuits used in the
assembly of the INA231EVM. This user's guide is available from the TI web site under literature number
SBOU128. Any letter appended to the literature number corresponds to the document revision that is
current at the time of the writing of this document. Newer revisions may be available from
assembly of the INA231EVM. This user's guide is available from the TI web site under literature number
SBOU128. Any letter appended to the literature number corresponds to the document revision that is
current at the time of the writing of this document. Newer revisions may be available from
, or
call the Texas Instruments' Literature Response Center at (800) 477-8924 or the Product Information
Center at (972) 644-5580. When ordering, identify the document by both title and literature number.
Center at (972) 644-5580. When ordering, identify the document by both title and literature number.
Table 2. Related Documentation
Document
Literature Number
INA231 Product Data Sheet
SM-USB-DIG Platform User Guide
2
INA231EVM Hardware Setup
shows the overall system setup for the INA231EVM. The PC runs software that communicates
with the SM-USB-DIG Platform. The SM-USB-DIG Platform generates the analog and digital signals used
to communicate with the INA231 test board. Connectors on the INA231EVM test board allow the user to
connect to the system under test conditions to monitor the power, current, and voltage.
to communicate with the INA231 test board. Connectors on the INA231EVM test board allow the user to
connect to the system under test conditions to monitor the power, current, and voltage.
Figure 2. INA231EVM Hardware Setup
2.1
Theory of Operation for INA231 Hardware
A block diagram of the INA231 test board hardware setup is shown in
. The PCB provides
connections to the I
2
C interface and general-purpose inputs/outputs (GPIOs) on the SM-USB-DIG Platform
board. The PCB also provides connection points for external connections of the shunt voltage, bus
voltage, and ground.
voltage, and ground.
Figure 3. INA231EVM Test Board Block Diagram
4
INA231EVM Evaluation Board and Software Tutorial
SBOU128 – February 2013
Copyright © 2013, Texas Instruments Incorporated