Manufacturer Part Number
LM3644YFFR
Manufacturer
Texas Instruments
Introduction
The LM3644YFFR is a power management integrated circuit (PMIC) designed for LED driving, primarily geared towards camera flash applications.
Product Features and Performance
Integrated step-up (boost) regulator
Dual-channel LED output for flash
5A current output per channel
Programmable I2C dimming control
High-frequency operation at 2MHz or 4MHz
Built-in safety features including over-temperature protection
Product Advantages
High integration for compact designs
High efficiency for extended battery life
Flexible I2C interface for precise brightness control
Key Technical Parameters
Internal switch(s): Yes
Number of outputs: 2
Voltage Supply (Min): 2.5V
Voltage Supply (Max): 5.5V
Frequency: 2MHz, 4MHz
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Over-temperature protection
Input under-voltage lockout
Short-circuit protection
Compatibility
Compatible with a wide range of supply voltages
Suitable for use in mobile devices with camera flash requirements
Application Areas
Smartphone and tablet camera flashes
Portable photography equipment
Product Lifecycle
Product Status: Active. No indication of nearing discontinuation provided.
Available replacements or upgrades can be sourced from Texas Instruments.
Several Key Reasons to Choose This Product
Reliable performance from a reputable manufacturer, Texas Instruments
High power efficiency and thermal management for longer device operation
User-friendly I2C control for precise lighting adjustments
Diverse application potential, particularly in camera flash systems
Active product lifecycle with support from Texas Instruments
Technical support and design resources available from the manufacturer
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