background image

IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,
and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should
obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are
sold subject to TI

s terms and conditions of sale supplied at the time of order acknowledgment.

TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI

s standard

warranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except where
mandated by government requirements, testing of all parameters of each product is not necessarily performed.

TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products and
applications using TI components. To minimize the risks associated with customer products and applications, customers should provide
adequate design and operating safeguards.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right,
or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Information
published by TI regarding third-party products or services does not constitute a license from TI to use such products or services or a
warranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectual
property of the third party, or a license from TI under the patents or other intellectual property of TI.

Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied
by all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptive
business practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additional
restrictions.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all
express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is not
responsible or liable for any such statements.

TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonably
be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing
such use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products
and any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may be
provided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in
such safety-critical applications.

TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products are
specifically designated by TI as military-grade or

"

enhanced plastic.

"

Only products designated by TI as military-grade meet military

specifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely at
the Buyer

'

s risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.

TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are
designated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designated
products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products

Applications

Audio

www.ti.com/audio

Automotive and Transportation

www.ti.com/automotive

Amplifiers

amplifier.ti.com

Communications and Telecom

www.ti.com/communications

Data Converters

dataconverter.ti.com

Computers and Peripherals

www.ti.com/computers

DLP

®

Products

www.dlp.com

Consumer Electronics

www.ti.com/consumer-apps

DSP

dsp.ti.com

Energy and Lighting

www.ti.com/energy

Clocks and Timers

www.ti.com/clocks

Industrial

www.ti.com/industrial

Interface

interface.ti.com

Medical

www.ti.com/medical

Logic

logic.ti.com

Security

www.ti.com/security

Power Mgmt

power.ti.com

Space, Avionics and Defense

www.ti.com/space-avionics-defense

Microcontrollers

microcontroller.ti.com

Video and Imaging

www.ti.com/video

RFID

www.ti-rfid.com

OMAP Mobile Processors

www.ti.com/omap

Wireless Connectivity

www.ti.com/wirelessconnectivity

TI E2E Community Home Page

e2e.ti.com

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Copyright

©

2012, Texas Instruments Incorporated

Содержание INA230EVM

Страница 1: ...INA230EVM 7 6 Connecting the USB Cable to the SM USB DIG Platform 8 7 Confirmation of SM USB DIG Platform Driver Installation 8 8 INA230EVM Default Jumper Settings 9 9 Typical Filter Setup 11 10 INA23...

Страница 2: ...f Tables 1 INA230EVM Kit Contents 3 2 Related Documentation 4 3 Signal Definition of J1 on INA230EVM Board 5 4 INA230EVM Test Board Jumper Functions 9 5 INA230 I2 C Address Configuration 16 6 Bill of...

Страница 3: ...valuation module 1 1 INA230EVM Kit Contents Table 1 summarizes the contents of the INA230EVM kit Figure 1 shows all of the included hardware Contact the Texas Instruments Product Information Center ne...

Страница 4: ...ent Literature Number INA230 Product Data Sheet SBOS601 SM USB DIG Platform User Guide SBOU098 2 INA230EVM Hardware Setup Figure 2 shows the overall system setup for the INA230EVM The PC runs software...

Страница 5: ...SPI Clock Signal SCLK 8 GND Power Return GND 9 SPI_CS1 SPI Chip Select Signal CS 10 SPI_DIN1 SPI Data Input MISO 1 When VDUT is Hi Z all digital I O are Hi Z as well 2 2 1 Theory of Operation for SM...

Страница 6: ...per ESD handling precautions when unpacking and handling the EVM including the use of a grounded wrist strap at an approved ESD workstation 3 2 Connecting the Hardware To set up the INA230EVM and conn...

Страница 7: ...o with a low side shunt attached This source for VBUS is not included with the kit and its voltage may differ depending on your testing needs The external power source is connected to the terminal str...

Страница 8: ...ers that are part of the Microsoft Windows operating system Figure 6 Connecting the USB Cable to the SM USB DIG Platform In some cases the Windows Add Hardware Wizard may pop up If this prompt appears...

Страница 9: ...L or SDA Make sure to only connect one jumper at a time for each address control Failure to properly connect jumpers can cause shorts or interruptions in the communication lines For more information o...

Страница 10: ...gure the INA230EVM software to match the J3 J4 hardware setting 3 6 3 J5 and J6 I2 C Address Hardware Setting A1 Jumpers J5 and J6 are used to set the hardware setting for the A1 I2 C address pin on t...

Страница 11: ...lter Setup 3 6 6 Shunt Monitor Configuration and Terminal Blocks T3 and T4 The INA230 is generally used in either a high side or low side shunt configuration as shown in Figure 10 Terminal block T3 re...

Страница 12: ...computer insert the disc into an available CD ROM drive Navigate to the drive contents and open theINA230EVM software folder Locate the compressed file INA230EVM zip and open it using WinZIP or a sim...

Страница 13: ...se agreements are presented that must be accepted as shown in Figure 12 After accepting the Texas Instruments and National Instruments license agreements the progress bar opens and shows the installat...

Страница 14: ...e Setup www ti com Figure 13 INA230EVM Software Installation Progress 14 INA230EVM Evaluation Board and Software Tutorial SBOU124 March 2012 Submit Documentation Feedback Copyright 2012 Texas Instrume...

Страница 15: ...arting the INA230EVM Software The INA230 software can be operated through the Windows Start menu From Start select All Programs then select the INA230EVM program Figure 14 illustrates how the software...

Страница 16: ...ps noted Step 1 Set I2 C Address Step 2 Configure Operation Step 3 Set Conversion Times Step 4 Select Configuration Method Step 5 Set Configuration Register Step 6 Configure Alert Pin This section exp...

Страница 17: ...mode it only performs conversions when the operating mode is set and the Write All Reg button at the top of the screen is selected After the mode changes and Write All Reg has been selected the Read...

Страница 18: ...for selecting the Averaging Mode The INA230 can be setup to take the average of several measurements before storing the value of the measurements in the register table 5 2 3 Set Conversion Times Setti...

Страница 19: ...at with either of the methods used the Current LSB and the Calibration Register values are calculated based on the other variable and the RSHUNT value See the section Programming the INA230 in the pro...

Страница 20: ...ent and Power Reading Bar The bottom bar of the INA230 software as shown in Figure 22 allows the user to constantly check the status of the INA230 unit itself These values are updated each time the Re...

Страница 21: ...functionality of the GUI alone Most of this functionality is displayed in the Configuration register tab but by selecting the appropriate register and clicking on the Help With Reg button on the Regis...

Страница 22: ...t a location for the data and to name the file Figure 25 Graphing the INA230 Data 5 3 5 Auto Write and the Supply Voltage The INA230EVM software allows users to customize the board level voltage regul...

Страница 23: ...ayout 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 INA230EVM PCBs 6 1 Schematic Figure 27 shows the schematic for the INA230...

Страница 24: ...gure 28 shows the component layout for the INA230EVM PCB Figure 28 INA230EVM PCB Top Layer Component Side 24 INA230EVM Evaluation Board and Software Tutorial SBOU124 March 2012 Submit Documentation Fe...

Страница 25: ...03 6 D1 D2 LED Green Wide Angle 0603 SMD Panasonic LNJ3W0C83RA 7 U1 INA230 Texas Instruments 8 Jumpers All Connector Header 50 Position 100 SGL Samtec TSW 150 07 G S Gold 9 Jumpers All Shunt LP w Hand...

Страница 26: ...product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application eng...

Страница 27: ...or use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have...

Отзывы: