LM3502SQ-44 - Texas Instruments

Manufacturer Part Number

LM3502SQ-44

Manufacturer

Texas Instruments

Introduction

The LM3502SQ-44 is a high-efficiency, integrated power management IC (PMIC) designed for driving LED backlights in a wide range of applications, including LCD displays, smartphones, tablets, and other portable devices. It features a step-up (boost) topology and can provide up to 44V output voltage from a 2.5V to 5.5V input supply.

Product Features and Performance

Integrated power switch(es) for high efficiency

Switching frequency of 1MHz for small external components

Supports PWM dimming for brightness control

Wide input voltage range of 2.5V to 5.5V

Adjustable output voltage up to 44V

Adjustable output current up to 750mA per channel

Operates over a wide temperature range of -40°C to 85°C

Product Advantages

High-efficiency design for extended battery life in portable applications

Compact size and minimal external components for space-constrained designs

Versatile PWM dimming control for precise brightness adjustments

Robust thermal management for reliable operation in demanding environments

Key Reasons to Choose This Product

Optimized for LED backlight applications in consumer electronics

Proven reliability and performance from a trusted manufacturer

Flexible configuration options to meet diverse design requirements

Cost-effective solution for power management in portable devices

Quality and Safety Features

Robust overcurrent, overvoltage, and thermal protection mechanisms

Stringent quality control and testing processes

Compliance with relevant industry standards and regulations

Compatibility

The LM3502SQ-44 is designed to be compatible with a wide range of LED-backlit display panels and other portable electronic devices that require a compact, high-efficiency power management solution.

Application Areas

LCD displays (smartphones, tablets, laptops, monitors)

Automotive infotainment systems

Industrial and medical equipment with LED-based indicators

General LED lighting and backlighting applications

Product Lifecycle

The LM3502SQ-44 is an obsolete product, meaning it is no longer in active production. However, Texas Instruments offers several alternative and equivalent models that can be considered as replacements, such as the LM3502, LM3503, and LM3504 series. Customers are advised to contact our website's sales team for more information on available options and product lifecycle updates.