LM3648TTYFFR

LED Driver IC Overview

The LM3648TTYFFR is a single-output LED lighting driver IC from Texas Instruments, packaged in a DSBGA-12 form factor. It operates on a boost topology with an adjustable output voltage and supports input supply voltages ranging from 2.5 V to 5.5 V. The device delivers up to 1.5 A of output current and functions at switching frequencies of 2 MHz or 4 MHz. It is rated for operation within a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Single-channel boost architecture designed for high-current LED applications
• Integrated I2C control interface for configuration and monitoring
• Supports infrared mode operation for specific sensing requirements

LED Driver IC Applications

• Smartphone camera flash illumination
• Mobile device LED lighting systems
• Compact portable electronic devices requiring high brightness

LED Driver IC Procurement Notes

Verify the exact suffix against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure compatibility with I2C bus protocols and check for any recent lifecycle notifications or obsolescence notices before finalizing procurement plans.

LED Driver IC Selection Notes

Select this component when a single high-current channel is required for flash applications. Consider the DSBGA-12 footprint constraints and verify that the 1.5 A current limit aligns with the target LED array specifications. Confirm thermal management capabilities within the intended operating environment.

LED Driver IC Part Context

This part belongs to the LM3648 series of LED drivers, which are optimized for mobile phone camera flash applications. It shares architectural similarities with other members like the LM3643 and LM3644 but differs in output channel count and specific feature sets tailored for single-channel high-intensity discharge needs.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers for the LM3648TTYFFR were not identified in the provided source material. Consult official Texas Instruments cross-reference tools for potential alternatives.