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Revision History

21

SBOU079B – July 2009 – Revised May 2016

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Copyright © 2009–2016, Texas Instruments Incorporated

Revision History

Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from A Revision (February 2010) to B Revision

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Figure 1

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Section 1.1

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Section 2.3

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Table 3

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Table 4

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Revision History

Changes from Original (July, 2009) to A Revision

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Table 3

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Table 4

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Table 5

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Section 3.7

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Section 3.8

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Summary of Contents for INA220EVM

Page 1: ...dware Setup 8 4 INA220 Software Overview 14 5 Bill of Materials 20 List of Figures 1 Hardware Included with the INA220EVM 2 2 INA220EVM Hardware Setup 4 3 INA220_Test_Board Block Diagram 4 4 INA220_Te...

Page 2: ...INA220 current power monitor device The INA220EVM consists of two printed circuit boards PCBs One board the USB DIG Platform generates the digital signals required to communicate with the INA220 which...

Page 3: ...e under literature number SBOU079 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 a...

Page 4: ...s software that communicates with the USB DIG Platform The USB DIG Platform generates the analog and digital signals used to communicate with the INA220_Test_Board Connectors on the INA220_Test_Board...

Page 5: ...2 1 2 T3 T_STRIP2 GND GND 1 2 3 JMP5 1 2 3 JMP4 Vs I2C_SDA_ISO I2C_SCK_ISO 1 2 3 JMP3 1 2 3 JMP2 DAC_A DAC_B DAC_A and DAC_B used for Test with USB DAQ Platform only Vin 10 Vin 9 Gnd 7 VS 6 SCL 5 SDA...

Page 6: ...on 3 NC No connection 4 NC No connection 5 NC No connection 6 NC No connection 7 NC No connection 8 NC No connection 9 I2C_SCK No connection 10 I2C_SDA2 No connection 11 NC No connection 12 I2C_SCK_IS...

Page 7: ...are included in a separate document available for download at www ti com The block diagram shown in Figure 5 gives a brief overview of the platform The primary control device on the USB DIG Platform i...

Page 8: ...M are susceptible to damage by electrostatic discharge ESD Customers are advised to observe proper ESD handling precautions when unpacking and handling the EVM including the use of a grounded wrist st...

Page 9: ...as shown in Figure 7 Make sure that the two connectors are completely pushed together loose connections may cause intermittent operation 3 4 Connecting Power After the two parts of the INA220 EVM are...

Page 10: ...ing the USB cable Typically the computer will respond with a Found New Hardware USB Device pop up The pop up typically changes to Found New Hardware USB Human Interface Device This pop up indicates th...

Page 11: ...set a specific I2 C address Figure 9 INA220EVM Default Jumper Settings Table 2 explains the function of the jumpers on the INA220_Test_Board Table 2 INA220_Test_Board Jumper Functions Jumper Default...

Page 12: ...load the USB DIG Platform firmware upon power up or reset The EE Off position is used for development for development or firmware updates JUMP4 JUMP5 L L This jumper sets the address for the USB boar...

Page 13: ...JUMP6 5V not used JUMP7 REG ratiometric mode In this mode all the digital I Os are referenced to the supply that is attached to either J5 on USB DIG board or T3 CAUTION It is absolutely critical that...

Page 14: ...t power to the INA220 power supply VS using an external power supply In this case connect power to the T3 terminal block and set JMP1 to the Vs_EXT positon The INA220 power supply VS operates over the...

Page 15: ...ick the file to start the installation process Step 3 Follow the on screen prompts to install the software Step 4 To remove the application use the Windows Control Panel utility Add Remove Software Th...

Page 16: ...le is properly connected This error can also occur if you connect the USB cable before the USB DIG Platform 9V power source A second possible reason for this problem is that there may be a problem wit...

Page 17: ...or that occurs if the INA220_Test_Board is not communicating with the USB DIG Platform If you see this error check the connectors between the two boards make sure the 25 pin connectors are completely...

Page 18: ...A D converter mode This control determines how the converters work The most commonly used modes are Shunt and Bus continuous conversion mode This mode causes both converters to run continuously More...

Page 19: ...the register settings can be saved or loaded using the EVM Controls drop down menu as Figure 13 shows The file that the configuration is saved into is a simple text file and can be viewed with any tex...

Page 20: ...onal Not Installed C1 0603 1206 Capacitor 7 1 LED D1 Diode LED Ultra Bright Diff 603 Panasonic LNJ208R8ARA 8 1 DSUB25M J1 CONN D SUB PLUG R A 25POS 30GOLD With Threaded Inserts and Board locks AMP Tyc...

Page 21: ...nt version Changes from A Revision February 2010 to B Revision Page Changed Figure 1 2 Changed list item From 6V power supply To Barrel plug cable assembly in Section 1 1 3 Added new paragraph and NOT...

Page 22: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Page 23: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 24: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 25: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 26: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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