A6265 LED Driver IC

By Allegro MicroSystems, LLC 88

A6265 LED Driver IC

Allegro's A6265 is a DC-DC converter controller, providing a programmable constant current output for driving high-power LEDs in series. Driving the LEDs in series ensures identical currents and uniform brightness. It provides a robust, high performance solution using an external MOSFET and minimum additional external components. The A6265 minimizes the PCB area required and maximizes the performance and protection when compared to existing discrete solutions and competitive offerings.

  • Diagnostics such as open LED detection, single- and multiple-LED short-circuit detection, and LED short-to-ground and short-to-supply protection
  • Programmable switching frequency between 100 kHz to 700 kHz
  • Small outline TSSOP package with exposed pad
  • 6.5 V to 50 V input supply
  • Boost or buck-boost modes
  • Constant-current LED drive

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