LM3644YFFR - Texas Instruments

Manufacturer Part Number

LM3644YFFR

Manufacturer

Texas Instruments

Introduction

The LM3644YFFR is a power management integrated circuit (PMIC) designed for LED driving, primarily geared towards camera flash applications.

Product Features and Performance

Integrated step-up (boost) regulator

Dual-channel LED output for flash

5A current output per channel

Programmable I2C dimming control

High-frequency operation at 2MHz or 4MHz

Built-in safety features including over-temperature protection

Product Advantages

High integration for compact designs

High efficiency for extended battery life

Flexible I2C interface for precise brightness control

Key Technical Parameters

Internal switch(s): Yes

Number of outputs: 2

Voltage Supply (Min): 2.5V

Voltage Supply (Max): 5.5V

Frequency: 2MHz, 4MHz

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Over-temperature protection

Input under-voltage lockout

Short-circuit protection

Compatibility

Compatible with a wide range of supply voltages

Suitable for use in mobile devices with camera flash requirements

Application Areas

Smartphone and tablet camera flashes

Portable photography equipment

Product Lifecycle

Product Status: Active. No indication of nearing discontinuation provided.

Available replacements or upgrades can be sourced from Texas Instruments.

Several Key Reasons to Choose This Product

Reliable performance from a reputable manufacturer, Texas Instruments

High power efficiency and thermal management for longer device operation

User-friendly I2C control for precise lighting adjustments

Diverse application potential, particularly in camera flash systems

Active product lifecycle with support from Texas Instruments

Technical support and design resources available from the manufacturer