A High-Frequency Digitally Controlled LED Driver for Automotive Applications With Fast Dimming Capabilities

@article{Corradini2013AHD,
  title={A High-Frequency Digitally Controlled LED Driver for Automotive Applications With Fast Dimming Capabilities},
  author={Luca Corradini and Giorgio Spiazzi},
  journal={IEEE Transactions on Power Electronics},
  year={2013},
  volume={29},
  pages={6648-6659}
}
This paper presents a high-frequency, digitally controlled high-brightness LED driver for automotive applications with fast dimming capabilities. The power converter is based on the magnetically coupled Ćuk topology and employs a single, off-the-shelf SMT mutual inductor. The proposed digital control technique exploits the inherent stabilizing effect of magnetic coupling, and combines it with a dedicated duty cycle feedforward technique for step-reference response enhancement during the… CONTINUE READING
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