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TLC5957 - 48-Channel 16-Bit ES-PWM LED Driver

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General Description

The TLC5957 is a 48-channel constant current sink driver.

Each channel has an individually-adjustable, 65536-step, pulse width modulation (PWM) grayscale (GS) brightness control.

The output channels are divided into three groups, each group has a 512 step color brightness control (CC), CC adjusts brightness between colors.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLC5957 SLVSCQ4 – OCTOBER 2014 TLC5957 48-Channel, 16-Bit ES-PWM LED Driver with Pre-Charge FET, LED OPEN Detection and Caterpillar.

Key Features

  • 1 48 Constant-Current Sink Output Channels.
  • Sink Current Capability with Max BC/CC data.
  • 1~20mA (VCC = 3.3V).
  • 1~25mA (VCC = 5V).
  • Global Brightness Control (BC): 3-Bit (8 Step).
  • Global Brightness Control (CC) for Each Color Group: 9-Bit (512 Step), Three Groups.
  • LED Power Supply Voltage up to 10V.
  • VCC = 3.0 to 5.5V.
  • Knee Voltage Vout = 0.24V at 10mA.
  • Constant Current Accuracy.
  • Channel to Channel = ±.

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