LP3943ISQ - Texas Instruments

Manufacturer Part Number

LP3943ISQ

Manufacturer

Texas Instruments

Introduction

The LP3943ISQ is an integrated circuit specifically designed as a Power Management (PMIC) LED Driver tailored for managing multiple LEDs.

Product Features and Performance

Integrated power switch

Uses shift register topology

Comes with internal switches

Supports 16 outputs

Minimum supply voltage of 2.3V and maximum of 5.5V

Offers 25mA current per output channel

Enables I2C and SMBus for dimming control

Product Advantages

Supports a wide range of supply voltages

High number of output channels for extensive LED control

Dimming control through popular communication protocols facilitating easier integration

Key Technical Parameters

Voltage supply minimum: 2.3V

Voltage supply maximum: 5.5V

Output current/channel: 25mA

Number of outputs: 16

Operating temperature: -40°C to 85°C

Quality and Safety Features

Built to operate reliably within a wide range of temperatures from -40°C to 85°C

Compatibility

Key communication protocols compatibility (I2C, SMBus) for versatile use in various applications

Application Areas

Mainly used in Camera Flash systems but adaptable to other LED driving needs

Product Lifecycle

Product status marked as 'Last Time Buy', indicating nearing discontinuation with advisement to procure necessary quantities or seek replacements/ upgrades.

Several Key Reasons to Choose This Product

Highly versatile with a broad input voltage range suitable for various applications

Adequate number of channels for complex LED setups

Integrated dimming control reducing additional component requirements

Operational in extreme temperatures making it suitable for harsh environments

Last Time Buy status encourages acquisition of sufficient stock for future use or to transition smoothly to alternative solutions