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TLC5944 - 16-Channel 12-Bit PWM LED Driver

Datasheet Summary

Description

The TLC5944 is a 16-channel, constant current sink driver.

Each channel is individually adjustable with 4096 pulse-width modulated (PWM) steps and 64 constant sink current (dot correction) steps.

The dot correction (DC) adjusts for brightness variations between LEDs.

Features

  • 1.
  • 23 16 Channels, Constant Current Sink Output.
  • 60-mA Capability (Constant Current Sink).
  • 12-Bit (4096 Steps) Grayscale Control with PWM.
  • 6-Bit (64 Steps) Dot Correction with Sink Current.
  • Internal Pre-Charge FET to Prevent LED Ghosting Phenomenon on Multiplexed LED Systems.
  • LED Power-Supply Voltage up to 15 V.
  • VCC = 3.0 V to 5.5 V.
  • Constant Current Accuracy:.
  • Channel-to-Channel = ±1%.
  • Device-to-Device = ±3.

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Datasheet Details

Part number TLC5944
Manufacturer Texas Instruments
File Size 2.39 MB
Description 16-Channel 12-Bit PWM LED Driver
Datasheet download datasheet TLC5944 Datasheet
Additional preview pages of the TLC5944 datasheet.

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TLC5944 TLC5944 TLC5944 www.ti.com .............................................................................................................................................................. SBVS112A – JUNE 2008 – REVISED JULY 2009 16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET FEATURES 1 •23 16 Channels, Constant Current Sink Output • 60-mA Capability (Constant Current Sink) • 12-Bit (4096 Steps) Grayscale Control with PWM • 6-Bit (64 Steps) Dot Correction with Sink Current • Internal Pre-Charge FET to Prevent LED Ghosting Phenomenon on Multiplexed LED Systems • LED Power-Supply Voltage up to 15 V • VCC = 3.0 V to 5.
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