Cirrus-logic CDB5484U Manuel d'utilisateur

Copyright  Cirrus Logic, Inc. 2012(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCDB5484UCDB5484U Engineering Board and GUI SoftwareFeat

CDB5484U10 DS919DB51.4.2 Interface to MicrocontrollerInterface headers J17 and J19 are provided to allow the CDB5484U to be connected to an external e

CDB5484UDS919DB5 111.5 Power Supply SectionTable 4 illustrates the power supply connections on the evaluation board. The positive analog (VDDA) forthe

CDB5484U12 DS919DB51.6 Typical Sensor ConnectionsThe CDB5484U evaluation board provides connections directly to different types of sensors. Flexible o

CDB5484UDS919DB5 131.6.2 Current Transformer Power Meter ExampleA slightly more expensive option is to use a current transformer (CT) to connect the A

CDB5484U14 DS919DB51.6.3 Rogowski Coil Power Meter ExampleRogowski coil power meter can be connected to the CDB5484U evaluation board. Figure 8 shows

CDB5484UDS919DB5 151.7 Standalone Meter ApplicationThe CDB5484U evaluation board provides a standalone power meter using the CS5484, MCU, and LCD.The

CDB5484U16 DS919DB52. SOFTWAREThe evaluation board comes with software and a USB cable to link the evaluation board to the PC. Theevaluation software

CDB5484UDS919DB5 172.3 Start-up WindowWhen the software is launched, the Start-Up Window is displayed. This window contains informationabout the softw

CDB5484U18 DS919DB5ognize the MCU (typically 3 seconds), and then select "OK."At this point, the USB menu item is checked, indicating that t

CDB5484UDS919DB5 192.4.2 CS5484 Serial Port Config ItemIn the Connect menu, the CS5484 Serial Port Config item allows the user to select different typ

CDB5484U2 DS919DB5 IMPORTANT SAFETY INSTRUCTIONS Read and follow all safety instructions prior to using this demonstration board. This Engineering Ev

CDB5484U20 DS919DB5After the serial port has been selected, press the OK button. The MCU will try to read the chip ID from theCS5484. The chip revisio

CDB5484UDS919DB5 212.5 System MenuThe System pull-down provides three options: Setup CS5484, Calibration, and Conversion. Each windowprovides a means

CDB5484U22 DS919DB52.5.1 Setup WindowThe evaluation software provides access to the common CS5484's internal registers through the SetupWindow (s

CDB5484UDS919DB5 232.5.1.1 Refresh Screen ButtonClicking the Refresh Screen button will update the contents of the screen by reading all the register

CDB5484U24 DS919DB52.5.1.8 Phase CompensationThe Phase Comp Register section is used to make changes to, and display the contents of, the CS5484'

CDB5484UDS919DB5 252.5.1.16 V1/V2 Sag, V1/ V2 Swell, and I1/I2 Overcurrent RegistersThe registers for voltage sag, voltage swell, and overcurrent are

CDB5484U26 DS919DB5The Refresh Screen button will update the contents of the screen by reading all the register values fromthe part. It is recommended

CDB5484UDS919DB5 272.7 Conversion WindowThe Conversion Window allows the user to see the results of single and continuous conversions and theCS5484 st

CDB5484U28 DS919DB5this window. The Continuous Conversion button should not be used with BAUD rates less than 1200Hzin UART mode. Using lower BAUD rat

CDB5484UDS919DB5 292.8 Cirrus Test WindowThe Cirrus Test pull-down menu provides three options: Test and Debug, ADC Data Collection, and ADCData Colle

CDB5484UDS919DB5 3TABLE OF CONTENTS1. HARDWARE ...

CDB5484U30 DS919DB5The Data Collection Window can only be accessed when operating in SPI mode. When UART serial com-munication is enabled, an error wi

CDB5484UDS919DB5 312.8.1.8 Configuration WindowThe Configuration window allows the user to set up the data collection and analysis parameters (seeFigu

CDB5484U32 DS919DB52.8.1.9 Collecting Data SetsTo collect a sample data set:1. In the Data Collection window, click the Config button to bring up the

CDB5484UDS919DB5 332.8.1.11 Histogram InformationThe following is a description of the indicators associated with histogram analysis. Histograms can b

CDB5484U34 DS919DB5Figure 27. Histogram Analysis2.8.1.12 Frequency Domain InformationThe following describes the indicators associated with FFT (Fast

CDB5484UDS919DB5 352.8.1.13 Time Domain InformationThe following controls and indicators are associated with time domain analysis. Time domain data ca

CDB5484U36 DS919DB52.8.2 Data Collection to File WindowThe Data Collection to File window allows the user to collect instantaneous voltage and current

CDB5484UDS919DB5 372.8.3 Setup and Test WindowThe Setup and Test window allows the user a way to access CS5484 registers and send commands tothe CS548

CDB5484U38 DS919DB5APPENDIX A. BILL OF MATERIALSCIRRUS LOGICCDB5484U_REV_C.PLBILL OF MATERIALItem Cirrus P/N RevDescription Qty Reference Designator M

CDB5484UDS919DB5 39CIRRUS LOGICCDB5484U_REV_C.PLBILL OF MATERIALItem Cirrus P/N RevDescription Qty Reference Designator MFG MFG P/N NotesStatus36 020-

CDB5484U4 DS919DB5LIST OF FIGURESFigure 1. CDB5484U Assembly Drawing and Default Configuration...

CDB5484U40 DS919DB5APPENDIX B. SCHEMATICS REV C22/17/11SCHEM CDB5484U-Z NPb600-00478-Z1Alan ZHAAlan ZHA3ANALOG INPUTS1CHK BY/DATEINC BY/DATEDESCRIPTIO

CDB5484UDS919DB5 41 REV C22/17/11SCHEM CDB5484U-Z NPb600-00478-Z1Alan ZHAAlan ZHA23CS5484+ISOLATIONCHK BY/DATEINC BY/DATEDESCRIPTIONREV

CDB5484U42 DS919DB5 REV C22/17/11SCHEM CDB5484U-Z NPb600-00478-Z133Alan ZHAAlan ZHAMCU+LCD+USBCHK BY/DATEINC BY/DATEDESCRIPTIONREVECO#SI

CDB5484UDS919DB5 43APPENDIX C. LAYER PLOTS Figure 37. Top Silkscreen

CDB5484U44 DS919DB5 Figure 38. Top Routing

CDB5484UDS919DB5 45 Figure 39. Bottom Routing

CDB5484U46 DS919DB5 Figure 40. Solder Paste Mask

CDB5484UDS919DB5 47REVISION HISTORYRevision Date ChangesDB1 APR 2011 Initial Release. DB2 DEC 2011 Updated screen shots and circuit diagrams to align

CDB5484UDS919DB5 51. HARDWARE1.1 IntroductionThe CDB5484U evaluation board provides a convenient means of evaluating the CS5484 energy mea-surement IC

CDB5484U6 DS919DB51.3 Analog SectionThe analog section of the CDB5484U is highly configurable. Onboard signal conditioning options for thevoltage and

CDB5484UDS919DB5 7The CDB5484U evaluation board provides screw-type terminals (J4 and J5) to connect high-voltage lineinputs. By installing jumpers on

CDB5484U8 DS919DB51.3.2 Current Sensor ConnectionCurrent input options include an external signal (via screw terminals or XLR connectors) or GND. Tabl

CDB5484UDS919DB5 91.4 Digital SectionThe digital section contains the microcontroller, USB interface, LCD, optical isolation, JTAG header, resetcircui