Manufacturer Part Number
LM3648YFFR
Manufacturer
Texas Instruments
Introduction
The LM3648YFFR is a Power Management Integrated Circuit (PMIC) designed for LED flash applications, specifically tailored for camera flash in portable devices.
Product Features and Performance
Integrated synchronous boost converter
Flash and torch mode
High-side current source
I2C-compatible interface
5A flash current capability
Up to 4MHz switching frequency
Automatic VIN disconnect during flash
Integrated thermal management
Product Advantages
Efficient power management for LED driving
Small form factor UFBGA package
High-frequency operation reduces the size of external components
Compatible with smartphones, reducing external part count
Key Technical Parameters
Type: DC DC Regulator
Topology: Step-Up (Boost)
Internal Switch(s): Yes
Number of Outputs: 1
Voltage - Supply (Min): 2.5V
Voltage - Supply (Max): 5.5V
Current - Output / Channel: 1.5A (Flash)
Frequency: 4MHz
Quality and Safety Features
Thermal protection
Compatibility
I2C communication for convenient integration with microcontrollers
Application Areas
Camera Flash for smartphones and other portable devices
Product Lifecycle
Active status, not indicated as nearing discontinuation
Several Key Reasons to Choose This Product
Highly integrated solution for camera flash applications
Compact 12-UFBGA package saves board space
Supports high LED drive currents for a brighter flash
Active thermal management prevents overheating
Supports I2C for programmable flash currents and safety timers
Broad voltage range accommodates various battery chemistries
High switching frequency allows the use of small, low-profile inductors
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