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Test Procedure For INA226EVM 4/3/10 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion.

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Presentation on theme: "Test Procedure For INA226EVM 4/3/10 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion."— Presentation transcript:

1 Test Procedure For INA226EVM 4/3/10 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

2 Required Order 1.Verify the Required Hardware and Software 2.Install INA226EVM Software 3.Verify Hardware 4.Run INA226EVM Test Procedure 5.Label Passing Units 6.Ship Passing Units IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

3 Required Hardware and Software IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

4 No.ItemQtyDescription / Use 1INA226EVM1Completely built INA226EVM PCB with INA226 part inserted. 2USB Extender Cable1Connects to USB SM-DIG. 3USB DIG Platform1Sample of working USB SM-DIG platform used as a digital data acquisition system 4Software and Documentation Disk 1Contains all software and documentation required for the INA226EVM test procedure. Items provided by Texas Instruments Items provided by Manufacture / Test Vendor 1PC with windows operating system 1For test software. 2Digital Multimeter1Volt Meter to measure the voltage being supplied to the INA226 Test Board 3Analog power supply1Supplies power to Rshunt and Rload to test the INA226 4Resistors11 47ohm and 1 10kohm standard tolerance resistor. IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

5 EVM Installation Procedure IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

6 INA226EVM software is on the CD provided by Texas Instruments Double Click on the setup.exe file to begin installation of the test software IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

7 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Allow the setup to initialize and click next

8 Accept both license agreements IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

9 Press Next on the Start Installation dialog, the program will install, then select Finish IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Installing …

10 Hardware Setup for Test IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion

11 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Connections for INA226EVM Test

12 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Set Jumpers on Boards

13 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Connect Power and USB Cables Connect USB extender cable to the board and PC The first time a USB DIG Board is plugged into your computer you may get a message Connect the 10- pin connector to the SM-DIG and PCB

14 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Apply INA226EVM Interface Board Power Apply 10v power supply voltage to terminal block 3. The high side of the supply should be connected to Vbus and the low side should be connected to GND. 10k Ω Resistor (RLOAD) 47Ω resistor (RSHUNT) Shunt Wire from Vin- to GND

15 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Run Test Procedure

16 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion If it comes up with an error, ensure that the USB SM-DIG is securely plugged in. Also try restarting the program. Launch the INA226 software that was recently installed. The program should look like this:

17 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Program Setup Enter the value 109 into the calibration register box and hit enter. Enter in the exact resistance of the Rshunt into the Resistance box and hit enter. Also, enter the Max current as 10m and hit enter.

18 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Program Evaluation Ensure the values are close to the table below Select the Read all Reg buttons shown to the right. This should update the value at the bottom of the program. ChannelOutput Vbus~10 V Shunt Voltage~50mV Current~1mA Power~10mW

19 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Label Passing Units If the designated part has passed the tests, label the passing unit with a QC sticker on the bottom of the board as shown below

20 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Tested Device This test is designed to test the Read/Write capability of the INA226EVM. Once the test has been passed, the EVM is ready to be shipped.

21 IntroductionVerify HardwareInstall SoftwareVerify HardwareRun Test ProcedureLabel Passing UnitsShip Passing UnitsConclusion Thank you for choosing Texas Instruments® Any questions, comments, or concerns should be directed to your TI representative.


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