LM3632AYFFR

LED Driver IC Overview

The LM3632AYFFR is a single-chip LED backlight driver with integrated bias power, manufactured by Texas Instruments. It utilizes a boost topology and features two outputs capable of delivering up to 25 mA. The device operates within a supply voltage range of 2.7 V to 5 V and supports switching frequencies of 500 kHz and 1 MHz. Packaged in a DSBGA-30 format, it functions reliably between -40°C and +85°C.

LED Driver IC Feature Summary

• Supports Content-Adaptive Brightness Control (CABC) for optimized power management
• Enables direct PWM dimming for precise brightness adjustment
• Provides I2C control interface for configuration and monitoring
• Integrates enable/shutdown functionality for system power efficiency

LED Driver IC Applications

• LCD backlight illumination systems
• Bias power generation for display circuits
• Mobile device display drivers
• Portable electronic equipment requiring efficient LED driving

LED Driver IC Procurement Notes

Verify the specific suffix 'YFFR' against the official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with I2C bus requirements and check thermal performance limits for the intended operating environment. Confirm RoHS compliance status as documented in the manufacturer's release notes.

LED Driver IC Selection Notes

Select this component when a compact solution for dual-output LED driving is required. Consider the 25 mA output current limit and the 2.7 V to 5 V input range for suitability. Evaluate the DSBGA-30 footprint against available PCB space and verify that the 500 kHz/1 MHz frequency options align with external component constraints.

LED Driver IC Part Context

This part belongs to the LM3632A series of LED lighting drivers from Texas Instruments. It is designed specifically for applications requiring high efficiency and small form factors. The series integrates both backlight and bias power functions into a single chip, reducing component count compared to discrete solutions.

LED Driver IC Replacement Considerations

Consult the official cross-reference list for verified substitutes. No alternative part numbers are confirmed in the provided documentation.