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RT8492 Key Features

  • Wide Operation Voltage Range : 9V to 32V
  • Programmable Channel Current
  • 3% Current Matching Accuracy between Channels
  • Programmable Switching Frequency
  • Easy Analog and Digital Dimming Control
  • Programmable Soft-Start
  • LED Open Channel Detection and Protection
  • LED Short-Fault Detect Latch Off Multiple LED
  • Programmable Output Over Voltage Protection
  • Under Voltage Lockout and Thermal Shutdown

RT8492 Description

The RT8492 is a 4-CH LED driver controller that delivers well matched LED current to each channel of LED string. With external current sources, the number of LEDs per string is only limited by the current source and the VIN/ VOUT conditions. The current mode PWM boost type controller operates at a programmable switching frequency of up to 1MHz, with a wide VIN range covering from 9V to 32V.