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TLC5929 - 16-Channel Constant-Current LED Driver

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General Description

The TLC5929 is a 16-channel constant current sink LED driver.

Each channel can be turned on or off by writing data to an internal register.

The constant current value of all 16 channels is set by a single external resistor with 128 steps for the global brightness control (BC).

Overview

TLC5929 www.ti.com SBVS159B – APRIL 2011 – REVISED JULY 2012 16-Channel, Constant-Current LED Driver with 7-Bit Global Brightness Control, PowerSave Mode, and Full Self-Diagnosis for LED Lamp Check for Samples:.

Key Features

  • 1.
  • 23 16 Constant-Current Sink Output Channels with On/Off Control.
  • Current Capability:.
  • 40 mA (VCC ≤ 3.6 V).
  • 50 mA (VCC > 3.6 V).
  • Global Brightness Control: 7-Bit (128 Steps).
  • Power-Supply Voltage Range: 3.0 V to 5.5 V.
  • LED Power-Supply Voltage: Up to 10 V.
  • Constant-Current Accuracy:.
  • Channel-to-Channel = ±1% (typ), ±3% (max).
  • Device-to-Device = ±2% (typ), ±4% (max).
  • Data Transfer Rate: 33 MHz.

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