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TLC5949 - 16-Channel 12-Bit ES-PWM Full Self-Diagnosis LED Driver

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General Description

The TLC5949 is a 16-channel, constant-current sink LED driver.

Each channel has an individuallyadjustable, pulse width modulation (PWM) grayscale (GS) brightness control with 4096 steps.

All channels have a 128-step global brightness control (BC).

Overview

TLC5949 www.ti.com SBVS219A – DECEMBER 2012 – REVISED DECEMBER 2012 16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp Check for Samples:.

Key Features

  • 1.
  • 2 16 Constant-Current Sink Output Channels.
  • Sink Current Capability with Maximum BC Data: 2 mA to 45 mA.
  • Global Brightness Control (BC):.
  • 7-Bit (128 Steps) with 25% to 100% Range.
  • Grayscale Control (GS) with Enhanced Spectrum or Conventional PWM:.
  • 12-Bit (4096 Steps).
  • LED Power-Supply Voltage: Up to 10 V.
  • VCC: 3.0 V to 3.6 V.
  • Constant-Current Accuracy:.
  • Channel-to-Channel: ±0.6% (typ), ±2% (max).

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