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AN809 - Digitally Addressable DALI Dimming Ballast

General Description

The IRPLDIM2 Demo Board consists of an EMI filter, an active power factor correction front end, a ballast control section, a digital control section, and a resonant lamp output stage.

A block diagram of the design is shown in Figure 3.

The EMI filter blocks ballast generated noise.

Key Features

  • include EMI filtering, transient protection and lamp FAULT protection. International Rectifier (IR) and Microchip Technology Inc. worked together to design a DALI type ballast. An.

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Datasheet Details

Part number AN809
Manufacturer Microchip
File Size 209.01 KB
Description Digitally Addressable DALI Dimming Ballast
Datasheet download datasheet AN809 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AN809 Digitally Addressable DALI Dimming Ballast Authors: Ross Fosler Microchip Technology Incorporated Cecilia Contenti International Rectifier Tom Ribarich International Rectifier INTRODUCTION This reference design is a high efficiency, high power factor and digital dimming electronic ballast designed to drive rapid start fluorescent lamp types. The design contains an active power factor correction circuit for universal voltage input as well as a ballast control circuit using the IR2159. The design also includes a PIC16F628 microcontroller and an isolation circuit for connecting to a Digitally Addressable Lighting Interface (DALI). Other features include EMI filtering, transient protection and lamp FAULT protection. International Rectifier (IR) and Microchip Technology Inc.