Cirrus Logic CDB5480U, Общее описание устройства

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CDB5480U
DS893DB5 3
TABLE OF CONTENTS
1. HARDWARE .............................................................................................................................................. 4
1.1 Introduction ........................................................................................................................................ 4
1.2 Evaluation Board Overview ................................................................................................................ 4
1.3 Analog Section ................................................................................................................................... 5
1.4 Digital Section .................................................................................................................................... 8
1.5 Power Supply Selection ................................................................................................................... 10
1.6 Typical Sensor Connections ............................................................................................................ 11
1.7 Standalone Meter Application .......................................................................................................... 14
2. SOFTWARE ............................................................................................................................................. 15
2.1 Installation Procedure ...................................................................................................................... 15
2.2 Using the Software ........................................................................................................................... 15
2.3 Start-up Window ............................................................................................................................... 16
2.4 Connect Menu .................................................................................................................................. 16
2.5 System Menu ................................................................................................................................... 20
2.6 Calibration Window .......................................................................................................................... 24
2.7 Conversion Window ......................................................................................................................... 27
2.8 Cirrus Test Window .......................................................................................................................... 29
Appendix A. Bill Of Materials ..................................................................................................................... 38
Appendix B. Schematics............................................................................................................................. 40
Appendix C. Layer Plots ............................................................................................................................. 43
LIST OF FIGURES
Figure 1. CDB5480U Assembly Drawing & Default Configuration ................................................................... 4
Figure 2. Voltage Channel — Low-voltage Input.............................................................................................. 5
Figure 3. Voltage Channel — High-voltage Input ............................................................................................. 6
Figure 4. Current Channel — Low-voltage Input .............................................................................................. 7
Figure 5. MCU Connection Window ................................................................................................................. 8
Figure 6. Shunt Sensor Power Meter ............................................................................................................. 11
Figure 7. Current Transformer Power Meter .................................................................................................. 12
Figure 8. Rogowski Coil Power Meter ............................................................................................................ 13
Figure 9. Standalone Power Meter Measurements ........................................................................................ 14
Figure 10. GUI Start-up Window .................................................................................................................... 16
Figure 11. Connect to the CDB board Window .............................................................................................. 17
Figure 12. Connect Menu Showing Successful USB Connection .................................................................. 17
Figure 13. USB Error Message ...................................................................................................................... 17
Figure 14. Connect Menu Showing Serial Connection Options ..................................................................... 18
Figure 15. UART Serial Port Selection Window, UART Selected .................................................................. 18
Figure 16. SPI Serial Port Selection Window, SPI Selected .......................................................................... 19
Figure 17. Unknown Chip ID Error Message.................................................................................................. 19
Figure 18. System Pull-down Options ............................................................................................................ 20
Figure 19. Setup Window ............................................................................................................................... 21
Figure 20. Calibration Window ....................................................................................................................... 25
Figure 21. Conversion Window ...................................................................................................................... 27
Figure 22. Cirrus Test Pull-down Options....................................................................................................... 29
Figure 23. Data Collection Window ................................................................................................................ 29
Figure 24. Data Collection UART Error Message........................................................................................... 30
Figure 25. Data Collection Output Window .................................................................................................... 30
Figure 26. Data Collection Configuration Window.......................................................................................... 31
Figure 27. Histogram Analysis........................................................................................................................ 33
Figure 28. FFT Analysis ................................................................................................................................. 34
Figure 29. Time Domain Analysis................................................................................................................... 35
Figure 30. Data Collection to File Window ..................................................................................................... 36
Figure 31. Setup and Test Window ................................................................................................................ 37
Figure 32. Schematic - Analog Inputs ............................................................................................................ 40
Figure 33. Schematic - CS5480 & Socket...................................................................................................... 41
Figure 34. Schematic - Microcontroller & USB Interface ................................................................................ 42
Figure 35. Top Silkscreen .............................................................................................................................. 43
Figure 36. Top Routing................................................................................................................................... 44
Figure 37. Bottom Routing ............................................................................................................................. 45
Figure 38. Solder Paste Mask ........................................................................................................................ 46