SC624AULTRT

Overview

The SC624AULTRT is an LED light management unit featuring a charge pump topology with four independent outputs. It integrates dual low-dropout regulators and supports I2C interface control for dimming. The device operates within an input voltage range of 2.95 V to 5.5 V, delivering up to 25 mA per channel. It utilizes a 20-MLPQ-UT package and functions between -40°C and +85°C.

Feature Summary

• Integrates four switched capacitor charge pump outputs for LED driving
• Includes dual internal LDOs for auxiliary power supply
• Supports digital control via I2C interface for dimming and configuration

Applications

• Portable electronic display backlighting
• LED indicator arrays in consumer devices
• Compact lighting modules requiring I2C control

Procurement Notes

Verify component authenticity through authorized Semtech distributors or certified partners. Confirm the specific suffix matches project requirements. Review the latest datasheet for any engineering change notices or pinout updates before finalizing procurement specifications.

Selection Notes

Select this component when designing systems requiring multiple independently controlled LED channels from a single IC. The integrated charge pump eliminates external inductors, while the I2C interface allows for precise brightness adjustment without additional microcontroller GPIO usage.

Part Context

This part belongs to the Semtech SC6 series of PMICs designed for space-constrained applications. It combines power regulation and LED driving capabilities into a single compact footprint, reducing overall bill of materials count compared to discrete solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB layouts and firmware if considering alternative multi-channel LED drivers.