LP3944ISQ - Texas Instruments

Manufacturer Part Number

LP3944ISQ

Manufacturer

Texas Instruments

Introduction

The LP3944ISQ is a Power Management Integrated Circuit specifically designed for LED driving, featuring an I2C and SMBus-compatible interface suitable for camera flash applications.

Product Features and Performance

Integrated power switch

Shift register topology

Internal switches present

Supports up to 8 outputs

I2C and SMBus dimming capabilities

Product Advantages

Compact 24-WFQFN package for space-saving

Wide voltage supply range from 2.3V to 5.5V

Supports multiple LED management through a singular IC

Key Technical Parameters

Number of Outputs: 8

Voltage Supply (Min): 2.3V

Voltage Supply (Max): 5.5V

Current Output / Channel: 25mA

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Robust temperature range ensuring operation in diverse environments

Compatibility

Compatible with applications requiring surface mount installation and shift register topology

Application Areas

Primarily used in camera flash systems

Product Lifecycle

Status: Obsolete

Note: Customers should seek replacements or consider upgrades as this model is discontinued.

Several Key Reasons to Choose This Product

Dedicated driver for complex LED configurations up to 8 outputs

Flexible power input accommodating a range of electrical setups

Easy integration with I2C and SMBus systems providing enhanced control

Operates effectively in extreme temperature conditions making it suitable for various geographic locations