IS31FL3191-UTLS2-TR

Overview

The IS31FL3191-UTLS2-TR is a single-channel Fun LED Driver IC manufactured by Lumissil Microsystems. It operates within an input voltage range of 2.7 V to 5.5 V and supports an output current adjustable between 5 mA and 42 mA across five distinct levels. The device utilizes a BGA-9 package and communicates via an I²C interface with a maximum operating frequency of 400 kHz. Designed for surface mount installation, it functions reliably within a temperature range of -40°C to +85°C.

Feature Summary

• Supports programmable output current adjustment across multiple discrete levels
• Enables LED lighting effects through integrated PWM control mode
• Features one-time programming capability for customized configurations

Applications

• LED lighting driver circuits
• Fun LED effect generation systems

Procurement Notes

Verify component authenticity and datasheet alignment due to the discontinued status. Confirm package integrity and moisture sensitivity handling requirements before assembly. Cross-reference ordering suffixes to ensure exact functional match with design specifications.

Selection Notes

Evaluate compatibility with system voltage rails within the specified 2.7 V to 5.5 V range. Assess thermal management needs for the BGA-9 package under maximum load conditions. Consider the single-channel limitation when designing multi-zone lighting architectures.

Part Context

This component belongs to the IS31FL3191 series of LED drivers. It is categorized as an LED Lighting Driver IC within Lumissil's portfolio. The specific UTLS2-TR suffix denotes the package type and reel packaging configuration.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.