LP5521 Datasheet (Texas Instruments) - three-channel LED driver

LP5521, three-channel LED driver

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.

When program memory has b

LP5521 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 Typi