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A6269 Datasheet Automotive LED Array Driver

Manufacturer: Allegro MicroSystems

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General Description

TheA6269 is a linear, programmable current regulator providing up to 200 mA from each of two outputs to drive arrays of high brightness LEDs.

The regulated LED current from each output, accurate to 5%, is set by a single reference resistor.

Current matching in each string is better than 10% without the use of ballast resistors.

Key Features

  • AEC-Q100 qualified.
  • Total LED drive current up to 400 mA.
  • Current shared equally up to 200 mA by 2 strings.
  • 6 to 50 V supply.
  • Low dropout voltage.
  • LED output short-to-ground and thermal protection.
  • On/off toggle switch input.
  • Enable input for PWM control.
  • Current slew rate limit during PWM.
  • Current set by reference resistor.
  • Automotive temperature range.

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