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LP8501 - Multi-Purpose 9-Output LED Driver

General Description

The LP8501 is an LED driver with 9 outputs, designed to produce versatile lighting effects for mobile devices.

The device is equipped with an internal program memory, which allows operation without processor control.

Key Features

  • 1.
  • 2 Three Independent Program Execution Engines for User-defined Programs with Large SRAM Memory for Storing Lighting Programs.
  • 9 Programmable Source (High Side) Driver Outputs with 25.5 mA Full-Scale Current, 8-bit Current Setting Resolution and 12-Bit PWM Control Resolution.
  • Flexible Grouping Possibility for All 9 Outputs Including GPO into Three Groups with Group PWM and Fade-In/ Fade-Out Controls.
  • Built-in LED Test.
  • Adaptive Charge Pump with 1x an.

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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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LP8501 www.ti.com SNVS548D – SEPTEMBER 2008 – REVISED AUGUST 2013 LP8501 Multi-Purpose 9-Output LED Driver Check for Samples: LP8501 FEATURES 1 •2 Three Independent Program Execution Engines for User-defined Programs with Large SRAM Memory for Storing Lighting Programs • 9 Programmable Source (High Side) Driver Outputs with 25.5 mA Full-Scale Current, 8-bit Current Setting Resolution and 12-Bit PWM Control Resolution • Flexible Grouping Possibility for All 9 Outputs Including GPO into Three Groups with Group PWM and Fade-In/ Fade-Out Controls • Built-in LED Test • Adaptive Charge Pump with 1x and 1.5x Gain Provides up to 95% LED Drive Efficiency, with Soft Start and Overcurrent/Short Circuit Protection • Automatic Power Save Mode; IVDD = 10 µA (typ.