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TLC5945 - 16-Channel LED Driver

General Description

The TLC5945 is a 16-channel, constant-current sink, LED driver.

Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step constant-current sink (dot correction).

Key Features

  • 16 Channels.
  • 12-bit (4096 Steps) Grayscale PWM Control.
  • Dot Correction.
  • 6 bit (64 Steps).
  • Drive Capability (Constant-Current Sink).
  • 0 mA to 80 mA.
  • LED Power Supply Voltage up to 17 V.
  • VCC = 3.0 V to 5.5 V.
  • Serial Data Interface.
  • 30-MHz Data Transfer Rate.
  • CMOS Level I/O.
  • Error Information.
  • LOD: LED Open Detection.
  • TEF: Thermal Error Flag.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.ti.com PWP RHB TLC5945 SLVS755 – MARCH 2007 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL FEATURES • 16 Channels • 12-bit (4096 Steps) Grayscale PWM Control • Dot Correction – 6 bit (64 Steps) • Drive Capability (Constant-Current Sink) – 0 mA to 80 mA • LED Power Supply Voltage up to 17 V • VCC = 3.0 V to 5.5 V • Serial Data Interface • 30-MHz Data Transfer Rate • CMOS Level I/O • Error Information – LOD: LED Open Detection – TEF: Thermal Error Flag APPLICATIONS • Monocolor, Multicolor, Full-Color LED Displays • LED Signboards • Display Back-lighting DESCRIPTION The TLC5945 is a 16-channel, constant-current sink, LED driver.