金年会app官方网L3514_Block Diagram

Overview

The THL3514 is an LED driver with 24 channel constant current sink outputs. The constant current values for three output groups are determined by external resistors.The embedded oscillator and PWM controller individually generates 256-step brightness set by the dedicated registers for each channel.The serial interface of 2-pair LVDS lines(clock and data) features high-level noise tolerance, high-speed, and long-distance transmission.The LVDS allowing cascaded and multidrop connection offers the maximum flexibility for designers to place and connect LED drivers.The simple and one-way communication 金年会app官方网tocol is easily-controlled and requires less CPU resources.

  • Constant Current Output: 24 channels
  • Output Sink Current: up to 40mA/ch
  • Output voltage: up to 40V
  • Individual Brightness Control: 256 steps
  • Output disable/enable
  • 2-pair Serial LVDS Input or 3-wire Serial CMOS Input
    up to 10Mbps
  • Bridge Function Converting 3-wire Serial CMOS Input to 2-pair Serial LVDS Output
  • Repeater function of 2-pair Serial LVDS Input / Output wi金年会app官方网 Waveform and Timing Correction
  • Device Address Selection up to 62 addresses
  • General call to all devices
  • UVLO, Short Circuit 金年会app官方网tection, Thermal Shutdown
  • Supply Voltage: 3.0 ～ 5.5V
  • Package: QFN 48-pin Exposed Pad

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