IS31FL3190-UTLS2-TR

Overview

The IS31FL3190-UTLS2-TR is a single-channel LED lighting driver IC manufactured by Lumissil Microsystems. It operates within an input voltage range of 2.7 V to 5.5 V and supports I²C dimming control at a frequency of 400 kHz. The device delivers a programmable output current ranging from 5 mA to 42 mA. It is housed in a compact 9-pin UTQFN package (1.5x1.5 mm) and functions reliably across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates I²C interface for digital brightness control and configuration
• Supports programmable output current settings for flexible LED driving
• Designed for low-power mobile communication applications

Applications

• Mobile communications devices
• Indicator lighting systems
• Portable electronic equipment

Procurement Notes

Verify component authenticity through authorized Lumissil distributors or certified suppliers. Confirm the specific suffix matches project requirements. Check RoHS compliance status via official documentation. Ensure storage conditions respect moisture sensitivity levels. Validate lead times with suppliers as availability may vary.

Selection Notes

Select this component for designs requiring precise single-channel LED control via I²C. Consider the 42 mA maximum output current limit when sizing LEDs. Evaluate the small footprint against available PCB space constraints. Ensure the host microcontroller supports the required I²C protocol speed.

Part Context

This part belongs to the IS31FL319x series of FunLED drivers, optimized for mobile and portable electronics. It provides a cost-effective solution for managing indicator lights with minimal external components. The series emphasizes low power consumption and high integration density for space-constrained designs.

Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Review the broader IS31FL319x family for potential functional alternatives if supply is constrained.