LP5521TM/NOPB - Texas Instruments

Manufacturer Part Number

LP5521TM/NOPB

Manufacturer

texas-instruments

Introduction

The LP5521TM/NOPB is a highly integrated, three-channel LED driver with a built-in charge pump regulator. It is designed to drive up to three strings of LEDs for applications such as backlighting, where precise control and high efficiency are required.

Product Features and Performance

Three independent current-regulated outputs for driving LEDs

Integrated charge pump regulator with up to 93% efficiency

25 MHz switching frequency for small external components

I2C interface for dimming and configuration control

Programmable current up to 25.5 mA per channel

Wide 2.7 V to 5.5 V supply voltage range

Supports linear and exponential dimming

Thermal shutdown and short-circuit protection

Product Advantages

Highly integrated design reduces overall solution size

High efficiency charge pump regulator minimizes power consumption

Precise current regulation ensures consistent LED brightness

I2C interface provides flexible control and configuration options

Key Reasons to Choose This Product

Optimized for backlight applications with high efficiency and precise control

Comprehensive protection features ensure reliable and safe operation

Small package size and minimal external components simplify design

Wide supply voltage range and configurable output current accommodate diverse application needs

Quality and Safety Features

Thermal shutdown protection

Short-circuit protection

Meets JEDEC standards for moisture sensitivity and electrostatic discharge (ESD)

Compatibility

The LP5521TM/NOPB is compatible with a wide range of LED-based backlight applications, including displays, smartphones, tablets, and other portable devices.

Application Areas

Backlight for LCD, OLED, and other display panels

Illumination for smartphones, tablets, and other mobile devices

General-purpose LED lighting and control

Product Lifecycle

The LP5521TM/NOPB is an active product, and there are no plans for discontinuation at this time. Our website's sales team offers several equivalent and alternative models, such as the LP5521-Q1, LP5520, and LP5523, which can provide similar functionality and performance. Customers are advised to contact our website's sales team for more information on available options and product selection.