Micrel – MIC2873/74: Camera Flash LED Driver Solutions Deliver Up to 1.2A

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MIC2873/74: Camera Flash LED Driver Solutions Deliver Up to 1.2A

The MIC2873/MIC2874 is a family of ultra-compact, camera flash LED drivers that integrates a 1.2A boost converter and LED driver circuit into a small 9-pin, 1.3 x 1.3mm chip scale package. Operating from 2.7V to 5.5V and featuring up to 92%efficiency, these solutions are ideally suited for Li-Ion battery operated portable applications such as phone cameras, tablet computers, handset video equipment, and digital cameras. High switching frequencies (2MHz for the MIC2873 and 4MHz for the MIC2874) allow for the use of a miniature size chip inductor and small input/output capacitors, thereby reducing the total power footprint to a solution size to less than 10mm squared.

FEATURES

  • Up to 1.2A flash LED driving current
  • Control through single-wire serial interface or external control pin
  • True load disconnect
  • Output over-voltage protection (OVP)
  • 1μA shutdown current
  • Highly efficient synchronous boost driver
  • Input voltage range: 2.7V to 5.5V
  • Configurable safety timeout protection
  • LED short detection and protection
  • 1k MSRP: $0.26/$0.30 US

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