INA233EVM Rev A User's Guide And Software Tutorial ABSTRACT This EVM user's guide describes the characteristics, operation, and use of the INA233EVM evaluation board. It discusses how to set up and configure the software and hardware, and reviews various aspects of the program operation.
Figure 3-3. Connecting the INA233 Test Board and SM-USB-DIG Platform Board to the Computer........Figure 3-4. Connecting the INA233 Test Board and SM-USB-DIG Platform Board..............11 Figure 3-5. INA233 Power Up Using SM_USB DIG and INA233EVM GUI Software..............12 Figure 3-6. VDUT Voltage Selection in INA233EVM GUI......................12...
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Layer..........................27 List of Tables Table 1-1. INA233EVM Kit Contents............................4 Table 1-2. Related Documentation.............................. Table 2-1. Signal Definition of J4 on INA233EVM Board......................7 Table 3-1. INA233EVM Test Board Jumper Functions......................Table 4-1. INA233 I C Address Configuration........................... Table 5-1. Bill of Materials: INA233EVM............................28...
Programmable calibration value, conversion times, and averaging, combined with an internal multiplier, enable direct readouts of current in amperes and power in watts. The INA233EVM is a platform for evaluating the performance of the INA233 under various signal, shunt, and supply conditions.
The following documents provide information regarding Texas Instruments integrated circuits used in the assembly of the INA233EVM. This EVM user's guide is available from the TI web site under literature number SBOU187. Any letter appended to the literature number corresponds to the document revision that is current at the time of the writing of this document.
INA233EVM Hardware www.ti.com 2.1 Theory of Operation for INA233 Hardware Figure 2-2 depicts a block diagram of the INA233EVM PCB highlighting the power supplies, analog inputs, and digital I/O signals. VBUS Supply (DVDD) 10-Pin Female I C Address SM-USB-DIG INA233...
2.2 Signal Definitions of H1 (10-Pin Connector Socket) Table 2-1 lists the pinout for the 10-pin connector socket used to communicate between the INA233EVM and the SM-USB-DIG. It should be noted that the INA233EVM only uses the necessary I C communication lines (pins 1 and 3) and the VS and GND pins (pin 6 and pin 8) to issue commands to the INA233 chip.
Figure 2-3 shows the block diagram for the SM-USB-DIG Platform. This platform is a general-purpose data acquisition system that is used on several different Texas Instruments evaluation modules. The details of its operation are included in a separate document, SBOU098 (available for download at www.ti.com).
Windows 7 is the recommended operating system. 3.2.2 Software Installation Make sure the hardware is not connected to the computer. Download the INA233EVM GUI from the INA233 Tools & Software folder. Extract the contents of the downloaded .zip file and run Setup_INA233EVM.exe. Follow...
Figure 3-2. INA233EVM Default Jumper Settings Typically, jumper 3 (J3) on the INA233EVM is always set to the INT position. When set to the INT position, the SM-USB-DIG Platform provides the supply for the INA233. When this jumper is set to the EXT position, an external supply voltage can be connected to test point VS_EXT to provide the supply for the INA233.
3.4 Connecting the Hardware To set up the INA233EVM and connect the two PCBs of the EVM together (that is, the INA233 test board and SM-USB-DIG Platform board), gently slide the male and female ends of the 10-pin connectors together.
3.4.1 System Power Up Launch the INA233EVM GUI software. By default the Power button on the GUI is enabled so the VS LED on the EVM (D1) immediately lights up, indicating that the EVM PCB is receiving power, as shown Figure 3-5.
3.5.5 IN+/IN– Input Filter (R1, R2, and C1) The INA233EVM has an optional input filter to remove high-frequency noise from the inputs IN+ and IN–. This filter is typically unpopulated. The default values for R1 and R2 are 0-Ω resistors.
Depending on the user’s needs, either of these configurations can be used without making any changes to the INA233EVM board or software. The INA233EVM have VBUS, GND, IN+ and IN- test points. Use these test points to apply external voltage sources depending the configuration selected.
INA233EVM Software Overview 4 INA233EVM Software Overview This section discusses how to use the INA233EVM software. Software operation involves a two-step process: configuration of the INA233 settings, and operation of the tool. 4.1 Starting the INA233EVM Software The INA233 software can be operated through the Windows Start menu. From Start, select All Programs; then select the INA233EVM program.
Figure 4-2. INA233EVM Software: Communication Error With the SM-USB-DIG Platform 4.2 Configuring the INA233EVM Software The INA233EVM software first requires a series of setup processes to configure the device and make sure that the software works properly. 1. Set I C Address on the SM-USB-DIG Tab 2.
Setting the conversion times allows the user to customize the amount of measurement time for conversions. Typically, for the INA233EVM software, the user is not able to notice a visual difference between the conversion times unless a high averaging mode and conversion time are chosen. The Shunt and Bus conversion times can...
The Device Configuration tab of the INA233EVM GUI allows the user to set the averaging mode (AVG[2:0]), Vbus conversion time (VBUSCT[2:0]), Vshunt conversion time(VSHCT[2:0]) and operating mode (MODE[2:0]).
INA233EVM Software Overview 4.3 Using the INA233EVM Software After configuring the INA233EVM software, the rest of the tabs can be evaluated. This section describes the basic operation of the device, and offers guidelines for interpreting the graphic user interface (GUI).
INA233EVM Documentation 5 INA233EVM Documentation This section contains the complete bill of materials, schematic diagram, and PCB layout for the INA233EVM. Note The board layout is not to scale. This image is intended to show how the board is laid out; it is not intended to be used for manufacturing INA233EVM PCBs.
INA233EVM Documentation www.ti.com 5.3 Bill of Materials Table 5-1 lists the bill of materials for the INA233EVM. Table 5-1. Bill of Materials: INA233EVM DESIGNATOR QUANTITY VALUE DESCRIPTION PACKAGE REFERENCE PART NUMBER MANUFACTURER !PCB Printed Circuit MHR057 Board C2, C3 0.1 µF CAP, CERM, 0.1...
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STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
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www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
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www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
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