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TLC5955 - 48-Channel 16-Bit PWM LED Driver

General Description

The TLC5955 is a 48-channel, constant-current sink driver.

Each channel has an individually-adjustable, pulse width modulation (PWM), grayscale (GS) brightness control with 65,536 steps and 128 steps of constant-current dot correction (DC).

DC adjusts brightness deviation between channels.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLC5955 SBVS237 – MARCH 2014 TLC5955 48-Channel, 16-Bit, PWM LED Driver with DC, BC, LED Open-Short Detection, and Internal Current.

Key Features

  • 1 48 Constant-Current Sink Output Channels.
  • Sink Current Capability with Maximum MC, DC, and BC Data:.
  • 23.9 mA (VCC ≤ 3.6 V, MC = 5).
  • 31.9 mA (VCC > 3.6 V, MC = 7).
  • Grayscale (GS) Control:.
  • 16-Bit (65,536 Steps) with Enhanced Spectrum or Conventional PWM.
  • Maximum Current (MC) Control:.
  • 3 Bits (8 Steps) with a 3-mA to 30-mA Range.
  • 3 MC Sets for Each Color Group.
  • Dot Correction (DC) Control:.
  • 7 Bits.