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Содержание BOOSTXL-ADS1219 BoosterPack

Страница 1: ... functionality of the ADS1219 The ADS1219 is a 24 bit delta sigma analog to digital converter ADC that can be configured as four single ended inputs or as two differential input pairs Data rates range from 20 SPS up to 1000 SPS Processors can communicate to the ADS1219 though an I2 C interface This user s guide includes a detailed description of the hardware HW bill of materials BOM schematic and ...

Страница 2: ... Supply Jumper 8 7 UniFlash New Coniguration 9 8 UniFlash Choose Connection 9 9 UniFlash Browse to Firmware 10 10 UniFlash Load Image 10 11 UniFlash Successful Download 11 12 Power Jumper Change 12 13 Home Page 13 14 Quick Start Page 13 15 Settings Page 14 16 Chart Page 15 17 Register Map Page 15 18 Collateral Page 16 19 Top Silkscreen 18 20 Top Layer 18 21 Bottom Layer 19 22 Bottom Silkscreen 19 ...

Страница 3: ...The MSP EXP432E401Y LaunchPad is controlled by commands received from the ADS1219 BoosterPack GUI The LaunchPad sends data to the GUI for display and analysis If a LaunchPad is not used the BoosterPack plug in module format allows an alternate external host to communicate with the ADS1219 using the LaunchPad connectors The BOOSTXL ADS1219 EVM incorporates circuitry and components with the followin...

Страница 4: ...he firmware to the LaunchPad using the micro USB cable provided with the LaunchPad kit 2 2 1 Connect the LaunchPad Connect the USB cable from the PC to the micro USB connector on the top portion of the LaunchPad XDS110 portion of the LaunchPad A green LED lights up indicating that the LaunchPad is powered 2 2 2 Start the UniFlash Program and Choose the Correct LaunchPad Start the UniFlash program ...

Страница 5: ...d applies the voltage to the remainder of the board Before plugging the USB cable to the bottom LaunchPad USB connector properly align the connectors and attach the BOOSTXL ADS1219 BoosterPack to the bottom set of connectors on the LaunchPad Figure 4 Figure 4 LaunchPad and BoosterPack Combo When the BoosterPack is attached plug the USB cable into the bottom connector of the LaunchPad and also to t...

Страница 6: ...rminal block J6 J6 also allows for an external reference input Table 2 shows the input configuration for J5 and Table 3 shows the configuration for J6 Both connectors are clearly labeled on the PCB silkscreen for easy input connection identification Table 2 Header Input J5 J5 Connector Pin Description J5 1 Analog input for A0 of the ADC J5 2 Analog input for A1 of the ADC J5 3 and J5 4 BoosterPack...

Страница 7: ...stor R8 3 3 Digital Interface The BOOSTXL ADS1219 interfaces to the MSP EXP432E401Y LaunchPad which in turn communicates with the computer through USB The two devices are on the BoosterPack and they both communicate using I2 C U4 is an EEPROM used to hold device and board manufacturing information The EEPROM information is not currently available to the GUI U1 is the ADS1219 and communication from...

Страница 8: ...his jumper is not installed When U3 is active then LED D1 lights up indicating the supply is available TP1 can be used to monitor the AVDD supply voltage Jumper placement and LEDs are shown in Figure 6 4 Setup Details Getting the BOOSTXL ADS1219 and MSP EXP432E401Y LaunchPad combination to communicate with the PC requires firmware to be installed in the LaunchPad see Section 4 2 1 This firmware is...

Страница 9: ...s up indicating that power is available and the cloud agent driver recognizes and installs the appropriate drivers for the LaunchPad For any issues with the installation or operation of the UniFlash program click on the Help icon in the UniFlash menu bar 1 In the UniFlash program start a New Configuration by selecting the MSP EXP432E401Y LaunchPad from the drop down list as shown in Figure 7 Figur...

Страница 10: ... the Program tab Browse to the Flash Image to be installed as shown in Figure 9 The flash binary file is found under the Program Files x86 Texas Instruments ADS1219 fimware folder Figure 9 UniFlash Browse to Firmware 4 When the flash binary image file is located press the Load Image button to start the firmware download as shown in Figure 10 Figure 10 UniFlash Load Image ...

Страница 11: ... bottom of the UniFlash window shows the result of the loading process The correct response is SUCCESS Program Load completed successfully as shown in Figure 11 If this response is not shown or an error message is displayed try the Load Image button again You may have to unplug and plug the USB cable to the LaunchPad again to reset communication Figure 11 UniFlash Successful Download ...

Страница 12: ...CDC may need to be installed If the driver shows as unknown manually install the driver from Program Files x86 Texas Instruments ADS1219 drivers Go to the Control Panel and select Device Manager Right click on the unknown device and select Update driver Choose the selection Browse my computer for driver software Browse to the driver folder location and choose Next to locate the correct driver 5 AD...

Страница 13: ...om the bottom portion of the page or from the icons along the left hand side of the window By clicking on Learn more the ADS1219 features and functional diagram will be displayed in place of the page control tabs When clicking on Show Less the page control tabs are once again displayed Figure 13 Home Page 5 2 Quick Start Page The Quick Start page Figure 14 shows a minimal view of the startup proce...

Страница 14: ...continuous mode of operation requires that the Conversion Mode in the ADS1219 register setting be set to Continuous 5 4 1 Time Domain Analysis The plot begins when the START button in pressed When the chart begins to display data the START button changes to STOP Data are displayed on the chart until the STOP button is pressed There are two ways the data can be displayed One option is to display by...

Страница 15: ... 5 5 Register Map Page The Register Map page Figure 17 displays the contents of the ADS1219 registers Only the first register can be written The second register is a read only register Register settings can be changed using the drop down lists and click boxes Information regarding the selections and options can be displayed by using the cursor to hover over the various options Figure 17 Register M...

Страница 16: ...aterials BOM printed circuit board PCB layout and board schematic 6 1 Bill of Materials Table 5 lists the bill of materials BOM for the BOOSTXL ADS1219 EVM Table 5 Bill of Materials Designator Quantity Description Manufacturer Part Number Manufacturer PCB1 1 Printed Circuit Board DC023 Any C1 C2 C16 3 CAP CERM 1 uF 10 V 10 X7S 0402 C1005X7S1A105K050BC TDK C3 C4 C5 C6 4 CAP CERM 0 01 uF 10 V 10 X7R...

Страница 17: ...nic R9 1 RES 768 k 1 0 1 W 0603 RC0603FR 07768KL Yageo R10 1 RES 215 k 1 0 1 W 0603 RC0603FR 07215KL Yageo R11 R12 R16 R18 R21 R22 6 RES 10 k 5 0 1 W AEC Q200 Grade 0 0402 ERJ 2GEJ103X Panasonic R19 1 RES 160 5 0 063 W AEC Q200 Grade 0 0402 CRCW0402160RJNED Vishay Dale R20 1 RES 100 1 0 063 W AEC Q200 Grade 0 0402 CRCW0402100RFKED Vishay Dale SH JP1 SH JP2 2 Shunt 2mm Gold plated Black 2SN BK G Sa...

Страница 18: ...BAU316 August 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated BOOSTXL ADS1219 BoosterPack User s Guide 6 2 PCB Layout Figure 19 to Figure 22 depict the BOOSTXL ADS1219EVM PCB layout Figure 19 Top Silkscreen Figure 20 Top Layer ...

Страница 19: ...terials PCB Layout and Schematic 19 SBAU316 August 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated BOOSTXL ADS1219 BoosterPack User s Guide Figure 21 Bottom Layer Figure 22 Bottom Silkscreen ...

Страница 20: ...D LP3 3V LP3 3V SCL REFP REFN REFP REFN SDA GND OUT 1 NR 3 EN 4 NC 5 IN 6 2 GND TPS71750DSER U3 1uF C16 GND GND LP3 3V 100 R20 160 R19 5V GPIO 31 GPIO 32 GPIO 33 GPIO 34 Timer_Cap GPIO 35 Timer_Cap GPIO 36 PWM GPIO 37 PWM GPIO 38 PWM GPIO 39 PWM GPIO 40 GPIO 11 SPI_CS GPIO 12 SPI_CS GPIO 13 SPI_MISO 14 SPI_MOSI 15 RST 16 GPIO 17 GPIO 18 PWM GPIO 19 GND 20 J2 J4 SSQ 110 03 T D 3 3V 1 Analog_In 2 LP...

Страница 21: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during 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 repair such EVM or provide replacements Repaired EVMs shall be warr...

Страница 22: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Страница 23: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Страница 24: ...COST OF 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 LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Страница 25: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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