SC644ULTRT

Overview

The SC644ULTRT is a Light Management Unit from Semtech, featuring four integrated Low Dropout Regulators (LDOs) and the SemPulse interface. This component is designed for precise LED lighting control applications. It operates within a specified voltage range suitable for portable and battery-powered devices. The device integrates power regulation and communication capabilities into a single package to streamline system design.

Feature Summary

• Integrates four independent LDOs for localized power management
• Utilizes SemPulse interface for high-speed digital communication
• Combines light management and power regulation in one unit

Applications

• LED backlighting systems
• Portable display devices
• Lighting control modules

Procurement Notes

Verify the specific suffix ULTRT indicates the reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure compatibility with the SemPulse protocol requirements for the target application environment.

Selection Notes

Select this component when a combined solution for LED current regulation and power supply is required. The integration of LDOs reduces external component count. Verify that the SemPulse interface aligns with the controller's communication standards.

Part Context

This part belongs to the SC64x series of Light Management Units. These units are engineered for advanced LED driving applications requiring precise control and efficient power distribution. The series typically includes variants with different channel counts or interface options.

Replacement Considerations

The SC643ULTRT is a documented similar part within the same family, offering comparable light management features.