Cirrus-logic CRD1680-7W Manual de usuario

Copyright  Cirrus Logic, Inc. 2014(All Rights Reserved)Cirrus Logic, Inc.http://www.cirrus.comTopBottomCRD1680-7WCRD1680-7W7 Watt Reference DesignFea

CRD1680-7W10 DS1017RD3Figure 7. Power Plane, Layer 2

CRD1680-7WDS1017RD3 11Figure 8. Ground Plane, Layer 3

CRD1680-7W12 DS1017RD3Figure 9. Bottom Routing, Layer 4

CRD1680-7WDS1017RD3 135. THERMAL IMAGINGFigure 10. Top ThermalFigure 11. Bottom Thermal

CRD1680-7W14 DS1017RD36. DIMMER COMPATIBILITYThe boost stage is a low-side asynchronous boost converter. Once the CS1680 reaches its UVLO start thresh

CRD1680-7WDS1017RD3 156.1 120VAC Dimmer CompatibilityTable 1 reports the empirical dimmer compatibility results when detectable inputs to the dimmer c

CRD1680-7W16 DS1017RD36.2 230VAC Dimmer CompatibilityTable 2 reports the empirical dimmer compatibility results when detectable inputs to the dimmer c

CRD1680-7WDS1017RD3 177. INDUCTOR CONSTRUCTIONThe CS1680 integrates a continuous conduction mode (CCM) boost converter that provides transformer compa

CRD1680-7W18 DS1017RD38. PERFORMANCE PLOTS (120VAC)00.10.20.30.40.520 40 60 80 100 120 140 160 180Output Current (A)Dim Angle (o)Mode 1Mode 1 - Hatch

CRD1680-7WDS1017RD3 190.00.20.40.60.81.0108 112 116 120 124 128 132Output Current (A)Line Voltage (V)Magnetic Transformer - Hatch LS1250ENElectronic T

CRD1680-7W2 DS1017RD3 IMPORTANT SAFETY INSTRUCTIONS Read and follow all safety instructions prior to using this demonstration board. This Engineering

CRD1680-7W20 DS1017RD30.600.650.700.750.800.850.900.951.00108 112 116 120 124 128 132Power FactorLine Voltage (V)Magnetic Transformer - Hatch LS1250EN

CRD1680-7WDS1017RD3 21 Figure 17. No-dimmer CRD1680-7W Output Mode1, Steady-stateFigure 18. Maximum CRD1680-7W Output Mode1, Steady-state

CRD1680-7W22 DS1017RD3Figure 19. Maximum CRD1680-7W Output Mode2, Steady-stateFigure 20. Maximum CRD1680-7W Output Mode3, Steady-state

CRD1680-7WDS1017RD3 23Figure 21. CRD1680-7W Output Current at Minimum Dim Angle, Mode1, Turn-on WaveformsFigure 22. CRD1680-7W Output Current at Max

CRD1680-7W24 DS1017RD3Figure 23. CRD1680-7W Output Current at Minimum Dim Angle, Mode2, Turn-on WaveformsFigure 24. CRD1680-7W Output Current at Max

CRD1680-7WDS1017RD3 25Figure 25. CRD1680-7W Output Current at Minimum Dim Angle, Mode3, Turn-on WaveformsFigure 26. CRD1680-7W Output Current at Max

CRD1680-7W26 DS1017RD39. PERFORMANCE PLOTS (230VAC)00.10.20.30.40.520 40 60 80 100 120 140 160 180Output Current (A)Dim Angle (o)Mode 1Mode 1 - Niko 3

CRD1680-7WDS1017RD3 270.00.20.40.60.81.0208 212 216 220 224 228 232 236 240 244 248 252Output Current (A)Line Voltage (V)Magnetic Transformer - Niko 3

CRD1680-7W28 DS1017RD30.60.650.70.750.80.850.90.951208 212 216 220 224 228 232 236 240 244 248 252Power FactorLine Voltage (V)Magnetic Transformer - N

CRD1680-7WDS1017RD3 2910.CONDUCTED EMIDevice Under Test: CRD1680-7W-Z Operating Conditions: 230V 50HzTest Specification: IEC 61000-3-2 Operator Name:

CRD1680-7WDS1017RD3 31. INTRODUCTIONThe CS1680 is a cascade boost-buck dimmable LED controller IC. The CS1680 uses a Cirrus Logic proprietary in-telli

CRD1680-7W30 DS1017RD311.RADIATED EMIDevice Under Test: CRD1680-7W-Z Operator Name: DLPTest Specification: CISPR 16-1-4:2007 EN55022 Compliant (Y/N):

CRD1680-7WDS1017RD3 3112.REVISION HISTORYRevision Date ChangesRD1 SEP 2013 Initial releaseRD2 NOV 2013 Content addition and clarification for revision

CRD1680-7W4 DS1017RD32. SCHEMATICFigure 1. Schematic600-00697-Z1 REV_F1D.PAPANDREA/JDG D.PAPANDREASHEETOFSHEETENGINEERDATE

CRD1680-7WDS1017RD3 53. BILL OF MATERIALS Line Item Description Qty UM Reference Designator Manufacturer Manufacturer Part Number0002 CAP 10uF ±10% 25

CRD1680-7W6 DS1017RD34. BOARD LAYOUTFigure 3. PCB Dimensions

CRD1680-7WDS1017RD3 7Figure 4. Top Silkscreen

CRD1680-7W8 DS1017RD3Figure 5. Bottom Silkscreen

CRD1680-7WDS1017RD3 9Figure 6. Top Routing, Layer 1