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LP5521 - three-channel LED driver

General Description

The LP5521 is a three-channel LED driver designed to produce variety of lighting effects for mobile devices.

A high-efficiency charge pump enables LED driving over full Li-Ion battery voltage range.

The device has a program memory for creating variety of lighting sequences.

Key Features

  • 1 Adaptive Charge Pump With 1× and 1.5× Gain Provides Up to 95% LED Drive Efficiency.
  • Charge Pump with Soft Start and Overcurrent, Short-Circuit Protection.
  • Low Input Ripple and EMI.
  • Very Small Solution Size, No Inductor or Resistors Required.
  • 200-nA Typical Shutdown Current.
  • Automatic Power Save Mode.
  • I2C-Compatible Interface.
  • Independently Programmable Constant Current Outputs with 8-Bit Current Setting and 8-Bit PWM Contr.

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📁 Similar Datasheet

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Other Datasheets by Texas Instruments

Part Number Description
LP5520 RGB Backlight LED Driver
LP5522 Programmable LED Driver
LP5523 9-channel LED driver
LP55231 9-channel LED driver
LP5524 Four-Channel LED Driver

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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP5521 SNVS441I – JANUARY 2007 – REVISED NOVEMBER 2016 LP5521 Three-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump 1 Features •1 Adaptive Charge Pump With 1× and 1.