A8513KLYTR-2-T
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A8513KLYTR-2-T

  • Category:Driver chip
  • Product Name:Wide input voltage range, high efficiency, fault-tolerant LED driver
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:10-lead MSOP
  • Stock Status:There is stock
  • Stock Quantity:9800
  • Minimum order quantity: 1
  • Details:Click here to find pdf of the A8513KLYTR-2-T
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  • Product introduction

A8513is a single-output white LED (WLED) for LCD backlightingdrive。 It integrates a current-mode boost converter with an internal power switch and a current-sinking device. The A8513 can operate from a single power supply from 4.5 to 40 volts to meet start/shutdown, cold crank, and load dump requirements. The 2 MHz boost converter switching frequency allows the A8513 to operate above the AM radio band.

If needed, fault flags can be used as part of the circuit to drive an external P-FET to disconnect input power to the system in the event of a fault. The A8513 provides a variety of protections, including output shorted and overvoltage, open or shorted diodes, open or shorted LED pins, shorted boost switches or inductors, shorted ISET resistors, and IC overtemperature protection. Two-stage wave-by-wave current limit provides soft-start and protection against high current overload in the internal current switch.

The A8513 is available in a 10-pin MSOP package (suffix LY) and a 16-pin TSSOP package (suffix LP). Both packages have exposed pads for improved heat dissipation, are Pb-free, and feature 100% matte tin leadframe plating.

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LCD backlight:

  • Car infotainment
  • Car battery pack
  • Car center console
  • Industrial LCD display
  • Portable DVD player
  • Flatbed scanner
  • LED lighting
    • Wide input voltage range of 4.5 to 40 volts for start/shutdown, cold crank and load dump requirements
    • The boost converter switches at frequencies up to 2 MHz and operates above the AM band
    • Excellent input voltage transient response
    • Internal secondary overvoltage protection for redundancy protection
    • The LED sink and boost converters are fully integrated with the 60 volt DMOS FET
    • Maximum LED current up to 150 mA
    • Drives 14 LEDs in series
    • Provides a single EN/PWM pin interface for PWM dimming and enablement
    • The fault flag pin warns the controller of a number of possible fault states
    • Protection features:
      • Short-circuit output protection
      • Open or shorted LED pin protection
      • Output undervoltage and overvoltage
      • Input undervoltage
      • Short-circuit boost switch or inductor protection
      • Shorted ISET resistors
      • Open circuit boost Schottky protection
      • Overtemperature

andA8513KLYTR-2-TRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
A8513KLYTR-T Allegro 15+ 10-lead MSOP Wide input voltage range, high efficiency, fault-tolerant LED driver
A8513KLYTR-3-T Allegro 15+ 10-lead MSOP Wide input voltage range, high efficiency, fault-tolerant LED driver
A8513KLYTR-2-T Allegro 15+ 10-lead MSOP Wide input voltage range, high efficiency, fault-tolerant LED driver
A8513KLYTR-1-T Allegro 15+ 10-lead MSOP Wide input voltage range, high efficiency, fault-tolerant LED driver

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