Dimming LED Lighting
LED lighting has the potential to offer many benefits to the user and to society as a whole. Very high efficiency together with extremely long life expectancy of the LEDs reduces the energy consumption and the use of resources, and can offer low life-cycle cost. In order to become widely accepted, LED lighting must provide dimming capability at least equivalent to that offered by traditional incandescent lighting. This White Paper examines the issues involved in designing LED lighting that can be dimmed.
Content
Introduction - LED Lighting
- Driver combined with light engine
- Driver combined with power supply
LED Dimming Methods
- Analog dimming
- Pulse-width modulation dimming
Dimming controls
- AC phase control
- Phase control dimming of LEDs
- AC input voltage control
- AC voltage control of LED lighting
- Analog (0-10V)
- Analog 0-10V control of LED lighting
- Logic control
- DALI (Digital Addressable Lighting Interface)
- DALI control of LED lighting
- DMX512 (Digital Multiplex)
- Zigbee
Summary
Appendix I - Abbreviations
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