THL3512_Block Diagram


The THL3512 is an LED driver with 24 channel opendrain outputs.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 protocol is easily-controlled and requires less CPU resources.

  • Open-Drain Output: 24 channels
  • Output Sink Current: up to 100mA/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 with Waveform and Timing Correction
  • Device Address Selection up to 62 addresses
  • General call to all devices
  • Protection Circuits UVLO, Overcurrent Protection, Thermal Shutdown
  • Supply Voltage: 3.0~5.5V
  • Package: QFN 48-pin Exposed Pad

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