LM3644TTYFFR - Texas Instruments

Manufacturer Part Number

LM3644TTYFFR

Manufacturer

Texas Instruments

Introduction

The LM3644TTYFFR is a high-performance, Power Management Integrated Circuit (PMIC) designed for the precise control of LED flash in camera modules.

Product Features and Performance

Integrated DC DC regulator with step-up (boost) topology.

Dual output channels for driving LEDs.

Supports a voltage supply range from 2.5V to 5.5V.

Capable of delivering up to 1.5A current per output channel.

High switching frequency options of 2MHz or 4MHz for efficient operation.

I2C dimming control for precise brightness adjustment.

Designed for camera flash applications.

Operates effectively in environments with temperatures ranging from -40°C to +85°C.

Product Advantages

High efficiency and compact design due to integrated internal switch and high-frequency operation.

Provides dual channel output, enabling synchronous control of multiple LEDs.

Flexible control through I2C interface improves user experience with customizable flash intensity.

Robust thermal performance enhances reliability in various operating conditions.

Key Technical Parameters

Number of Outputs: 2

Voltage Supply (Min): 2.5V

Voltage Supply (Max): 5.5V

Current Output / Channel: 1.5A

Frequency: 2MHz, 4MHz

Mounting Type: Surface Mount

Package / Case: 12-UFBGA, DSBGA

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Designed with Texas Instruments' rigorous quality controls and safety measures.

Operates reliably within specified temperature ranges ensuring consistent performance.

Compatibility

Optimal for integration into a wide range of camera flash systems.

Surface mount packaging (12-UFBGA, DSBGA) for easy integration in compact designs.

Application Areas

Primarily used in the camera flash modules of smartphones, tablets, and digital cameras.

Suitable for portable and handheld devices requiring efficient light sources.

Product Lifecycle

Listed as Active indicating ongoing manufacturing and availability.

No current indications of nearing discontinuation, ensuring long-term availability for product designs.

Several Key Reasons to Choose This Product

High-efficiency boost regulator optimizes energy usage for extended battery life.

Dual-channel output supports sophisticated lighting features in camera applications.

Flexible dimming options through I2C allow for customizable user experiences.

Texas Instruments' reputable quality and reliability in power management solutions.

Active product status ensures long-term support and availability for future designs.