IS31FL3194-CLS2-TR

Overview

The IS31FL3194-CLS2-TR is a linear LED driver IC manufactured by Lumissil Microsystems. It features three independent output channels capable of delivering up to 40mA per channel. The device operates within a supply voltage range of 2.7V to 5.5V and supports I2C communication at frequencies up to 400kHz. Designed for surface-mount assembly, it utilizes an 8-WFBGA or WLCSP package. The component functions reliably across an ambient temperature range of -40°C to +85°C.

Feature Summary

• Integrates three independent linear current sources for precise LED control
• Supports programmable pattern sequencing for dynamic lighting effects
• Enables efficient RGB lighting management through digital interface control

Applications

• Mobile communication devices requiring compact backlighting solutions
• Consumer electronics with dynamic RGB indicator requirements
• IoT devices utilizing low-power illumination interfaces

Procurement Notes

Verify the specific package variant (WFBGA vs WLCSP) against design constraints, as both are associated with this part number in distributor listings. Confirm RoHS compliance status and moisture sensitivity level prior to PCB assembly planning. Ensure the I2C address configuration matches the system architecture to prevent bus conflicts during production integration.

Selection Notes

Select this component when designing systems requiring multi-channel linear regulation in minimal footprint applications. The integrated PWM dimming capability suits designs needing software-controlled brightness adjustments without external microcontroller overhead. Consider the thermal performance characteristics inherent to linear drivers when determining heat dissipation strategies for high-density layouts.

Part Context

This part belongs to the IS31FL3194 series of Fun LED Drivers from Lumissil Microsystems. These components are engineered to replace discrete transistor-based driving circuits, simplifying board space and reducing bill-of-materials complexity. The series focuses on providing flexible lighting control for portable consumer electronics where size and power efficiency are critical design parameters.

Replacement Considerations

No public confirmed substitute part numbers are available.