Marvell A19 LED Reference Bulb with Lumileds LEDs
Turn-key Design for 40W Incandescent Replacement LED Lamp
PRODUCT OVERVIEW
Marvell® A19 LED Reference Bulb is a turn-key solution providing manufacturing ready design for a 40W incandescent
replacement LED light bulb. The design includes electrical, mechanical, thermal and optics elements. It uses Marvell
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Colorimetric and Electrical performance measurements.
Figure 1. Marvell A19 LED Reference Bulb with Lumileds LEDs
KEY FEATURES
DRIVER PERFORMANCE
LIGHTING PERFORMANCE
90 to 264VAC
475 Lumens
0.99 PF
3000K CCT
10% THD
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MARVELL 88EM8081 LED DRIVER IC FEATURES
LUMILEDS LUXEON A LED FEATURES
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Mixed CCM/DCM modes for power factor correction
High drive current up to 1A
Precise secondary side control
Industry leading thermal characteristics
Universal voltage input
Maximum junction temperature: 150°C
High power factor, low THD
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Wide viewing angle: 120°
Built-in protections
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Figure 3. Lumileds Luxeon A LEDs
Marvell A19 LED Reference Bulb with Lumileds LEDs
DESIGN PACKAGE
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1. Design Files
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- Layout of the PCB
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- Transformer spec
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LED MCPCB
- Mechanical spec of the MCPCB
- MCPCB layout
2. Test Reports
Contains the various test reports for the reference bulb:
Colorimetric tests
- Integrating sphere aging test report – summary/table on the integrating sphere measurement of 10 PVT
samples at 110V, 220V, before and after 20 hours aging. The table includes all colorimetric data
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for 110V and 220V after 20-hour aging
Driver Test Reports
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- Harmonic current test reports
Thermal test reports
- Without potting – thermal logs on the bulb under 25 degree and 45 degree C and in the upright and face-down
positions. 15 points are probed in each test.
- Potting – thermal logs comparison between potting of the driver and not potting
The manufacturing ready A19 LED Reference Design Kit is available from your local Marvell sales team or distributor.
Marvell A19 LED Reference Bulb with Lumileds LEDs
DESIGN SPECIFICATIONS
ITEM
SPEC
REMARKS
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Dimension
Diameter
60.0 +/- 1.0 mm
Length
< 112.7 mm
Weight
~150g
Connector Base
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Toxic Material
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LED
Lumileds Luxeon A
Luminous Flux
> 450 lm
CCT
3000K
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Beam Angle
120 degree
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> 55 lm/W
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Glass/PC < 10%
AC Input Voltage
9$&
Dimming
Non-dimmable
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Input Power
< 7W
Constant Current
500 +/- 15 mA
LED Vf
10-15 V
Driver PF
> 0.9
THD
<10%
Ripple Current
<30%
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Manufacturing line adjusstment for constant
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-20C to 45C
Driver ambient approximately 100c
EMI/EMC
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Noise
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Transient Protection
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Marvell A19 LED Reference Bulb with Lumileds LEDs
THE MARVELL ADVANTAGE: Marvell products come with complete reference designs which include board layout
designs, software, manufacturing diagnostic tools, documentation, and other items to assist customers with
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leading semiconductor foundry and packaging services to reliably deliver high-volume and low-cost total solutions.
ABOUT MARVELL: Marvell is a leader in storage, communications and consumer silicon solutions. Marvell’s diverse
product portfolio includes switching, transceiver, communications controller, processors, wireless, power management
and storage solutions that power the entire communications infrastructure, including enterprise, metro, home, storage,
and digital entertainment solutions. For more information, visit our website at www.marvell.com.
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www.marvell.com
Copyright © 2011. Marvell International Ltd. All rights reserved. Marvell and the Marvell
logo are registered trademarks of Marvell. All other trademarks are the property of their
respective owners.
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