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
