Tuesday 9 December 2014

A Highly Efficient Solar Lantern by Texas Instruments

A Street Light Solution - System Block Diagram


TI had designed solar lantern solution specifically for Indian rural market with circuit protections, more shelf life, user control interface with dimming feature and the most important thing, very high power efficiency providing great backup time.

Key Solution Features : 

  • Boost Drive Stage for 3W (3 LEDs in Series)
  • Stand-by current < 500uAReverse
  • Polarity protection for Battery and Panel
  • 4 Stage Charging profile for Battery
  • User interface in form of Keys and Indication LEDs
  • Under-voltage Cutoff



TI Hero Products in this Solution


  • MSP430G2231
  • TLV70433
  • TPS61165


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Article by
Department of ECE
Tadipatri Engineering College (TECH) , Anantapur


Tadipatri Engineering College

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