Typical Application Showing SEPIC Configuration for Flexible Input/output Voltage Ratio for A8518 LED Driver

Reference Design using part A8518 by Allegro MicroSystems

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Manufacturer

Allegro MicroSystems
  • Application Category
    Lighting
  • Product Type
    General LED Driver

For End Products

  • Automotive Cluster
  • Center-Stack lighting
  • Infotainment

Description

  • Typical Application Showing SEPIC Configuration for Flexible Input/output Voltage Ratio for A8518 LED Driver. The A8518 is a multi-output LED driver for small-size LCD backlighting. It integrates a current-mode boost converter with internal power switch and two current sinks. The boost converter can drive up to 22 white LEDs, 11 LEDs per string, at 200 mA. The LED sinks can be paralleled together to achieve higher LED currents up to 400 mA. The A8518 operates from a single power supply from 4.5 to 40 V

Key Features

  • Input Voltage
    4.5 to 40 V
  • Output Voltage
    10 V
  • Number of Derived Elements
    6

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
A8518KLPTR-T Allegro MicroSystems LED Drivers LED Driver 22 Segment Automotive AEC-Q100 16-Pin TSSOP EP T/R Buy

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