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TLC5946 - 16-Channel 12-Bit PWM LED Driver

Description

The TLC5946 is a 16-channel, constant current sink LED driver.

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

The dot correction adjusts the brightness variations between LEDs.

Features

  • 1.
  • 23 16 Channels, Constant Current Sink Output.
  • 40-mA Capability (Constant Current Sink).
  • 12-Bit (4096 Steps) Grayscale PWM Control.
  • 6-Bit (64 Steps) Dot Correction.
  • LED Power-Supply Voltage up to 17 V.
  • VCC = 3.0 V to 5.5 V.
  • Constant Current Accuracy:.
  • Channel-to-Channel = ±1% (typ).
  • Device-to-Device = ±2% (typ).
  • 30-MHz Data Transfer Rate.
  • 33-MHz Grayscale PWM Clock.
  • Extended Serial Interf.

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Datasheet preview – TLC5946

Datasheet Details

Part number TLC5946
Manufacturer Texas Instruments
File Size 2.40 MB
Description 16-Channel 12-Bit PWM LED Driver
Datasheet download datasheet TLC5946 Datasheet
Additional preview pages of the TLC5946 datasheet.

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Full PDF Text Transcription

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TLC5946 www.ti.com .......................................................................................................................................................... SLVS824B – MARCH 2008 – REVISED JUNE 2008 16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction FEATURES 1 •23 16 Channels, Constant Current Sink Output • 40-mA Capability (Constant Current Sink) • 12-Bit (4096 Steps) Grayscale PWM Control • 6-Bit (64 Steps) Dot Correction • LED Power-Supply Voltage up to 17 V • VCC = 3.0 V to 5.
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