LED Bulbs and Downlight Solutions

 

MR16 LED Bulb Designs

MR16 LED Bulb Reference Design

TI recognizes the challenges of designing MR16 LED lamp power solutions:

  • Compatibility concerns with ELVT and ELV dimmers for retrofit applications
    • Minimum load requirement for ELVT
    • Smooth, flicker-free operation
  • Small form factor
  • Thermal concerns

Our MR16 LED reference circuits:

  • Efficiently meet the minimum load requirement of the ELVT, thus avoiding start/stop cycles within the transformer. This avoids visible flicker in the lamp.
  • Avoid large current spikes into the SSL lamp and ELVT


MR16 Bulb Reference Designs

Form Factor Input Voltage Topology Isolation Dimming LED Driver Eval Board
MR16 12 VAC Buck No Yes LM3401 LM3401-MR16DEMO
12 VAC Boost No Yes TPS92560 TPS92560MR16BSTEVM
12 VAC Boost No Yes LM3444 LM3444-MR16BSTRB/NOPB
12 VAC Buck-Boost No Yes LM3444 LM3444-MR16BBRB/NOPB



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