LP3944ISQX - Texas Instruments

Manufacturer Part Number

LP3944ISQX

Manufacturer

Texas Instruments

Introduction

LP3944ISQX is a Power Management Integrated Circuit specifically designed for LED driving applications, featuring an integrated shift register and internal switches.

Product Features and Performance

LED driver with built-in power switch

Supports up to 8 output channels

I2C and SMBus compatible dimming control

Temperature range from -40°C to 85°C

Surface Mount technology in a 24-WFQFN Exposed Pad

Product Advantages

Integrated shift register reduces external component count

Multi-channel support enhances versatility

Digital dimming control via I2C or SMBus

Robust operation in extreme temperatures

Key Technical Parameters

Number of Outputs: 8

Voltage - Supply (Min): 2.3V

Voltage - Supply (Max): 5.5V

Current - Output / Channel: 25mA

Quality and Safety Features

Built to withstand operating temperatures between -40°C and 85°C

Surface Mount installation type ensures a solid and secure PCB connection

Compatibility

Compatible with various microcontrollers through I2C and SMBus

Application Areas

Primarily designed for camera flash applications

Product Lifecycle

Status: Obsolete

Note: Explore replacements or upgrades due to obsolescence

Several Key Reasons to Choose This Product

Integrated switch for simplified design

Support for both I2C and SMBus allowing easy integration into multiple systems

Supports a wide range of supply voltages from 2.3V to 5.5V, providing flexibility in varied power environments

Able to drive up to 8 LEDs, suitable for multipoint illumination

Operates efficiently in a broad range of temperatures making it ideal for demanding applications