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TLC5970 - 3-Channel 12-Bit PWM LED Driver

General Description

The TLC5970 is a three-channel, constant-current sink driver with a buck dc/dc converter and a differential signal interface.

Each channel has individually adjustable currents with 4096 PWM grayscale (GS) steps and 128 constant-current sink steps for dot correction (DC).

Key Features

  • 1.
  • 23 3-Channel, Constant-Current Sink Output.
  • Current Capability: 150 mA per channel.
  • Grayscale (GS) Control with PWM: 12-bit (4096 steps).
  • Dot Correction (DC): 7-bit (128 steps).
  • Global Brightness Control (BC): 7-bit (128 steps).
  • EEPROM for Dot Correction Storage.
  • Input Voltage: Up to 36 V.
  • LED Supply Voltage: Up to 17 V with Auto LED Anode Voltage Control.
  • Constant-Current Accuracy:.
  • Channel-to-Channel =.

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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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TLC5970 www.ti.com 3-Channel, 12-Bit, PWM LED Driver with Buck DC/DC Converter and Differential Signal Interface Check for Samples: TLC5970 SBVS140 – MARCH 2010 FEATURES 1 •23 3-Channel, Constant-Current Sink Output • Current Capability: 150 mA per channel • Grayscale (GS) Control with PWM: 12-bit (4096 steps) • Dot Correction (DC): 7-bit (128 steps) • Global Brightness Control (BC): 7-bit (128 steps) • EEPROM for Dot Correction Storage • Input Voltage: Up to 36 V • LED Supply Voltage: Up to 17 V with Auto LED Anode Voltage Control • Constant-Current Accuracy: – Channel-to-Channel = ±0.