Typical application showing SEPIC configuration with accurate input current sense and VSENSE to GND protection for A8515 LED Driver

Reference Design using part A8515 by Allegro MicroSystems

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Manufacturer

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

For End Products

  • Flat Panel Display
  • LCD Monitor
  • LCD TV

Description

  • Typical application showing SEPIC configuration with accurate input current sense and VSENSE to GND protection for A8515 LED Driver. The A8515 is a multi-output white LED (WLED) driver for LCD backlighting in consumer and industrial displays. It integrates a current-mode boost converter with an internal power DMOS switch and two current sinks. The boost converter can drive up to 24 LEDs: 12 LEDs per string at 120 mA. The LED sinks can be paralleled together to achieve higher LED currents, up to 240 mA. The A8515 can operate from a single power supply, from 5 to 40 V

Key Features

  • Input Voltage
    6 to 14 V
  • Number of Derived Elements
    8

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
A8515GLPTR-T Allegro MicroSystems LED Drivers LED Driver 24 Segment 16-Pin TSSOP EP T/R Buy

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