High Current PWM Halogen Lamp Dimmer Using SG3525

HIGH CURRENT HELOGEN LAMP DIMMER (2)

High Current PWM Halogen Dimmer controller project is designed around SG3525 IC and High current MOSFET.  Project can handle lamp up to 5 Amps (10Amps Possible with big heat sink) and supply 12-24V DC .Ideal for Halogen Dichroic Lamp or Halogen Lamp.

SCH

Features

  • Supply input 15 to 24 VDC
  •  Load-Lamp 12 to 24 VDC @ 5 Amps
  •  Load 10 amps possible with big heat sink on Mosfet)
  •  Onboard preset for frequency adjust
  •  Frequency adjustable 4 KHz to 30 KHz
  •  PWM Duty cycle 0 to 100% (+/- 5%)
  •  Potentiometer for dimming adjust
  •  Soft Start facility
  •  Clamp diode for protection
  •  Power-On LED indicator
  •  Compact design and high quality
  •  Lamp and supply connection via screw terminal connector
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 56 mm x 42 mm

HIGH CURRENT HELOGEN LAMP DIMMER (1)

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