Cirrus-logic CDB5480U Manuel d'utilisateur

Copyright  Cirrus Logic, Inc. 2012(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comCDB5480UCDB5480U Engineering Board and GUI SoftwareFeat

CDB5480U10 DS893DB51.5 Power Supply SelectionTable 4 illustrates the power supply connections on the evaluation board. The positive analog (VDDA) fort

CDB5480UDS893DB5 111.6 Typical Sensor ConnectionsThe CDB5480U evaluation board provides connections directly to several types of sensors. Flexibleonbo

CDB5480U12 DS893DB51.6.2 Current Transformer Power Meter ExampleA slightly more expensive option is to use a current transformer (CT) to connect the A

CDB5480UDS893DB5 131.6.3 Rogowski Coil Power Meter ExampleRogowski coil power meter can be easily connected to the CDB5480U evaluation board. Figure 8

CDB5480U14 DS893DB51.7 Standalone Meter ApplicationThe CDB5480U evaluation board provides a standalone power meter using the CS5480, MCU, and LCD.The

CDB5480UDS893DB5 152. SOFTWAREThe evaluation board comes with software and a USB cable to link the evaluation board to the PC. Theevaluation software

CDB5480U16 DS893DB52.3 Start-up WindowWhen the software is launched, the start-up window will appear. This window contains informationconcerning the s

CDB5480UDS893DB5 17recognize the MCU (typically 3 seconds), and then select "OK."Figure 11. Connect to the CDB board WindowAt this point, t

CDB5480U18 DS893DB52.4.2 CS5480 Serial Port Config ItemIn the Connect menu, the CS5480 Serial Port Config item allows the user to select different typ

CDB5480UDS893DB5 19To select SPI communications, position jumper J16 to the SSEL to SPI position and select SPI in theSerial Port Selection window. Se

CDB5480U2 DS893DB5 IMPORTANT SAFETY INSTRUCTIONS Read and follow all safety instructions prior to using this demonstration board. This Engineering Ev

CDB5480U20 DS893DB52.5 System MenuThe System pull-down provides three options: Setup CS5480, Calibration, and Conversion. Each windowprovides a means

CDB5480UDS893DB5 212.5.1 Setup WindowThe evaluation software provides access to the common CS5480's internal registers through the Setupwindow. S

CDB5480U22 DS893DB52.5.1.1 Refresh Screen ButtonThe Refresh Screen button will update the contents of the screen by reading all the register values fr

CDB5480UDS893DB5 232.5.1.8 Phase CompensationThe Phase Comp Register section is used to make changes to and display the contents of the CS5480'sP

CDB5480U24 DS893DB52.5.1.16 V1/V2 Sag, V1/ V2 Swell, and I1/I2 Overcurrent RegistersThe registers for voltage sag, voltage swell, and overcurrent are

CDB5480UDS893DB5 25Figure 20. Calibration WindowThe Refresh Screen button will update the contents of the screen by reading all the register values f

CDB5480U26 DS893DB52.6.3 Performing CalibrationsAC/DC offset and gain calibrations can be performed on both the voltage and current channels of theCS5

CDB5480UDS893DB5 272.7 Conversion WindowThe Conversion window allows the user to see the results of single and continuous conversions and theCS5480 st

CDB5480U28 DS893DB5number in the Samples to Average field. The user should stop continuous conversion before leaving thiswindow. The Continuous Conver

CDB5480UDS893DB5 292.8 Cirrus Test WindowThe Cirrus Test window provides three options: Test and Debug, ADC Data Collection, and ADC DataCollection to

CDB5480UDS893DB5 3TABLE OF CONTENTS1. HARDWARE ...

CDB5480U30 DS893DB5The Data Collection window can only be accessed when operating in SPI mode. When UART serialcommunication is enabled, an error win

CDB5480UDS893DB5 312.8.1.8 Configuration WindowThe Configuration window allows the user to set up the data collection and analysis parameters. SeeFigu

CDB5480U32 DS893DB52.8.1.9 Collecting Data SetsTo collect a sample data set:1. In the Data Collection window, press the Config button to bring up the

CDB5480UDS893DB5 33• MINIMUM: indicates the minimum value of the collected data set.Figure 27. Histogram Analysis2.8.1.12 Frequency Domain Informatio

CDB5480U34 DS893DB5• FS-PdB: indicates the full-scale to signal Ratio (decibels).Figure 28. FFT Analysis

CDB5480UDS893DB5 352.8.1.13 Time Domain InformationThe following controls and indicators are associated with time domain analysis. Time domain data ca

CDB5480U36 DS893DB52.8.2 Data Collection to File WindowThe Data Collection to File window allows the user to collect instantaneous voltage and current

CDB5480UDS893DB5 372.8.3 Setup and Test WindowThe Setup and Test window allows the user a way to access CS5480 registers and send commands tothe CS548

CDB5480U38 DS893DB5APPENDIX A. BILL OF MATERIALSCIRRUS LOGICCDB5480U_REV_D.PLBILL OF MATERIALItem Cirrus P/N RevDescription Qty Reference Designator M

CDB5480UDS893DB5 39 CIRRUS LOGICCDB5480U_REV_D.PLBILL OF MATERIALItem Cirrus P/N RevDescription Qty Reference Designator MFG MFG P/N Notes Status36 02

CDB5480U4 DS893DB51. HARDWARE1.1 IntroductionThe CDB5480U evaluation board provides a convenient means of evaluating the CS5480 energymeasurement IC.

CDB5480U40 DS893DB5APPENDIX B. SCHEMATICSFigure 32. Schematic - Analog Inputs

CDB5480UDS893DB5 41 Figure 33. Schematic - CS5480 & SocketREV D202/17/11SCHEM CDB5480U-Z-NPbCS5480+ISOLATIONAlan ZHAAlan ZHA23CHK

CDB5480U42 DS893DB5 REV D202/17/11SCHEM CDB5480U-Z-NPb33Alan ZHAAlan ZHAMCU+LCD+USBCHK BY/DATEINC BY/DATEDESCRIPTIONREVECO#SIZE BOFSHEET

CDB5480UDS893DB5 43APPENDIX C. LAYER PLOTS Figure 35. Top Silkscreen

CDB5480U44 DS893DB5 Figure 36. Top Routing

CDB5480UDS893DB5 45 Figure 37. Bottom Routing

CDB5480U46 DS893DB5 Figure 38. Solder Paste Mask

CDB5480UDS893DB5 47REVISION HISTORYRevision Date ChangesDB1 APR 2011 Initial Release. DB2 DEC 2011 Updated screen shots and circuit diagrams to align

CDB5480UDS893DB5 51.3 Analog SectionThe analog section of the CDB5480U is highly configurable. Onboard signal conditioning options for thevoltage and

CDB5480U6 DS893DB5The CDB5480U evaluation board provides screw-type terminal (J4) to connect to the high-voltage lineinput. By installing jumpers on J

CDB5480UDS893DB5 71.3.2 Current Sensor ConnectionCurrent input options include an external signal (via screw terminals or XLR connectors) or GND. Tabl

CDB5480U8 DS893DB51.4 Digital SectionThe digital section contains the microcontroller, USB interface, LCD, optical isolation, JTAG header, resetcircui

CDB5480UDS893DB5 91.4.2 Interface to MicrocontrollerInterface headers J17 and J19 are provided to allow the CDB5480U to be connected to an external en