Wide Input Voltage, High-Efficiency LED Driver with Integrated Boost Converter

A8513

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The A8513 simplifies LED driver design, integrating a boost converter, a current sink, and comprehensive protection features. Its wide input voltage range (4.5V-40V) ensures robust performance in automotive applications.

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Top Features

Packaging

  • AEC-Q100 Qualified
  • Wide input voltage range of 4.5 to 40 V for start/stop, cold crank and load dump requirements
  • Boost converter switching frequency up to 2 MHz, allowing operation above the AM band
  • Excellent input voltage transient response
  • Internal secondary OVP for redundant protection
  • Fully integrated LED current sink and boost converter with 60 V DMOS FET
  • Maximum LED current of 150 mA
  • Drives up to 14 series LEDs
  • Single EN/PWM pin interface for PWM Dimming and Enable function
  • 5000:1 PWM dimming at 200 Hz
  • Fault flag pin to alert the controller to a myriad of possible fault conditions
  • Protection Features:
    • Shorted output
    • Open or shorted LED pin
    • Output undervoltage and overvoltage
    • Input undervoltage
    • Shorted boost switch or inductor
    • Shorted ISET resistor
    • Open boost Schottky
    • Overtemperature

10-pin MSOP with exposed thermal pad (LY package)

Part Number Specifications and Availability