Analog Devices (Norwood, MA) (ADI) has introduced two flash LED drivers. The ADP1649 and ADP1660 not only have low Rds(on) power FETs, which boosts efficiency and reduces input current, they also feature algorithms that adjust flash current autonomously during low battery conditions. Other features include:

  • A dual 750 mA (1500 mA total) flash LED driver (ADP1660) or a single 1000-mA LED driver (ADP1649).

  • A 2.0 x 1.6 mm (ADP1660) or 2.0 x 1.5 mm (ADP1649) 12-ball WLCSP package.

  • High efficiency to extend battery life in smartphones and tablets.

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