Cirrus-logic CRD1615-8W Instrukcja Użytkownika Pobierz pdf

Cirrus Logic, Inc.

http://www.cirrus.com

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CRD1615-8W

8 Watt Reference Design

Features

• Quasi-resonant Flyback with Constant-current Output

• Flicker-free Dimming

• Line Voltage 108VAC - 132VAC

• Rated Output Power: 7.5W

• Efficiency: ~82% at 250mA for 10

LEDs in Series

• Supports Cirrus Logic CS1615

General Description

The CRD1615-8W reference design demonstrates the

performance of the CS1615 single stage dimmable AC/DC

LED driver IC with a 250mA output driving

10LEDs in

series

. It offers best-in-class dimmer compatibility with

leading-edge, trailing-edge, and digital dimmers. The form

factor is targeted to fit into many LED bulb applications

(GU10, A19, PAR, BR).

DIMENSIONS (OVERALL)

Length Width Height

For more information, see Figure 3 on page 6.

ORDERING INFORMATION

CRD1615-8W-Z 8 Watt Reference Design

Supports CS1615

2.028 51.5mm1.004 25.5mm0.65 16.5mm

JUL‘13

DS1002RD3

1 2 3 4 5 6 ... 21 22

CRD1615-8W 1
8 Watt Reference Design 1

Podsumowanie treści

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CRD1615-8W10 DS1002RD3Figure 7. Bottom Routing

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CRD1615-8WDS1002RD3 115. THERMAL IMAGINGFigure 8. Top ThermalFigure 9. Bottom Thermal

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CRD1615-8W12 DS1002RD36. DIMMER COMPATIBILITY - A19 WITH CS1615 (108V - 132V)Input Power 8.3W Dimmer Compatibility 1116 /1200 Efficiency 82%Date 1/8/2

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CRD1615-8WDS1002RD3 13Notes: 1. Tested at nominal input voltage, nominal input frequency and without a dimmer after soaking for 15 minutes2. Compliant

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CRD1615-8W14 DS1002RD37. TRANSFORMER CONSTRUCTIONThe CRD1615-8W provides power factor correction and dimmer compatibility with a constant output curre

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CRD1615-8WDS1002RD3 158. PERFORMANCE PLOTS0.20.220.240.260.280.3108 110 112 114 116 118 120 122 124 126 128 130 132Output Current (A)Line Voltage (V)F

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CRD1615-8W16 DS1002RD3Figure 13. Power Factor vs. Line Voltage0.980.9820.9840.9860.9880.990.9920.9940.996108110112114116118120122124126128130132Power

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CRD1615-8WDS1002RD3 17Figure 15. Typical Output Current vs Dim Angle00.050.10.150.20.250.330 45 60 75 90 105 120 135 150 165 180Output Current (A)Dim

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CRD1615-8W18 DS1002RD3Figure 16. No-dimmer Mode, Startup, 120 VACFigure 17. No-dimmer Mode, Steady-state, 120VAC

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CRD1615-8WDS1002RD3 19Figure 18. Flyback FET Q4, 120VACFigure 19. Leading-edge Dimmer Mode, Steady-state, 120VAC

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CRD1615-8W2 DS1002RD3Contacting Cirrus Logic SupportFor all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the o

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CRD1615-8W20 DS1002RD3Figure 20. Trailing-edge Dimmer Mode, Steady-state, 120VAC

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CRD1615-8WDS1002RD3 219. CONDUCTED EMIDevice Under Test: CRD1615-8W-Z Operating Conditions: NOMINALTest Specification: EN55022:2010 Operator Name: CAL

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CRD1615-8W22 DS1002RD310.REVISION HISTORYRevision Date ChangesRD1 FEB 2013 Final releaseRD2 APR 2013 Context clarificationRD3 JUL 2013 Content updated

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CRD1615-8WDS1002RD3 31. INTRODUCTIONThe CS1615 is a 120VAC quasi-resonant flyback mode dimmable LED controller IC. The CS1615 uses a digital con-trol

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CRD1615-8W4 DS1002RD32. SCHEMATICFigure 1. Schematic=B5(9B&zoll{vmzoll{lunpullykh{lkyh~uGiwhy{GJzoll{[VY\V YWXZjUshtily{ jUshtily{zjo

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CRD1615-8WDS1002RD3 53. BILL OF MATERIALS Item Rev DescripƟon Qty Reference Designator MFG MFG P/N1 DIODE RECT 200V 0.8A NPB MINIDIP 1 BR1 DIODES INC

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CRD1615-8W6 DS1002RD34. BOARD LAYOUTFigure 3. PCB Dimensions

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CRD1615-8WDS1002RD3 7Figure 4. Top Silkscreen

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CRD1615-8W8 DS1002RD3Figure 5. Bottom Silkscreen