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TLC5948A - 16-Channel 16-Bit ES-PWM Full Self-Diagnosis LED Driver

General Description

The TLC5948A is a 16-channel, constant-current sink LED driver.

Each channel has an individuallyadjustable, 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.

Key Features

  • 1.
  • 23 16 Constant-Current Sink Output Channels.
  • Sink Current Capability with Maximum DC and BC Data:.
  • 2 mA to 45 mA (VCC ≤ 3.6 V).
  • 2 mA to 60 mA (VCC > 3.6 V).
  • Dot Correction (DC):.
  • 7-Bit (128 Steps) with 0% to 100% Range.
  • Global Brightness Control (BC):.
  • 7-Bit (128 Steps) with 25% to 100% Range.
  • Grayscale Control (GS) with Enhanced Spectrum or Conventional PWM:.
  • 16-Bit (65,536 Steps).
  • LED Power-Sup.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TLC5948A www.ti.com SBVS192A – MARCH 2012 – REVISED DECEMBER 2012 16-Channel, 16-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit DC and 7-Bit Global BC LED Lamp Check for Samples: TLC5948A FEATURES 1 •23 16 Constant-Current Sink Output Channels • Sink Current Capability with Maximum DC and BC Data: – 2 mA to 45 mA (VCC ≤ 3.6 V) – 2 mA to 60 mA (VCC > 3.6 V) • Dot Correction (DC): – 7-Bit (128 Steps) with 0% to 100% Range • Global Brightness Control (BC): – 7-Bit (128 Steps) with 25% to 100% Range • Grayscale Control (GS) with Enhanced Spectrum or Conventional PWM: – 16-Bit (65,536 Steps) • LED Power-Supply Voltage: Up to 10 V • VCC: 3.0 V to 5.5 V • Constant-Current Accuracy: – Channel-to-Channel: ±0.