Datasheet Summary
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...
