PIC16F1508 DALI DIMMABLE FLUORESCENT BALLAST (PROOF OF CONCEPT)

Design Highlights:

Rapid Start Intelligent Fluorescent Ballast

• Universal input 1st stage peak current mode boost supply
• Resonant LCC inverter for lamp drive
• 120 VAC – 240 VAC Input
  
  • Single hardware platform
  • Firmware based configuration
• Active Power Factor Correction (PFC)
  
  • 0.95 or better (0.98 at full load)

PIC16F1508 Controlled Topology

• Core Independent Peripheral Integration
  
  • 5-bit DAC
  • Configurable Logic Cell (CLC)
  • PWM
  • Numerically Controlled Oscillator (NCO)
  • Comparators

DALI Communications

Smooth digital dimming control via NCO linear frequency control

• Analog input or serial e.g. DALI communications

MCP1416 FET Driver