ISL97900CRZ-T7A

Overview

The ISL97900CRZ-T7A is a 3-channel, 1.5A sequential LED driver optimized for high-efficiency power conversion and precise current regulation. It operates from a single-cell Li-ion battery or regulated input voltage up to 5.5V. The device features I2C dimming control and is housed in a compact 28-lead QFN package.

Feature Summary

• Sequential multi-channel output management
• I2C programmable dimming interface
• High-efficiency power conversion architecture

Applications

• LED lighting development
• Portable electronic illumination systems
• Battery-powered display backlighting

Procurement Notes

Verify component authenticity through authorized Renesas distributors. Confirm package integrity and pin alignment upon receipt. Ensure storage conditions comply with moisture sensitivity levels. Validate part markings against official datasheet specifications before integration into production lines.

Selection Notes

Select this component for applications requiring precise multi-channel LED current control via digital interface. Suitable for designs powered by single-cell lithium batteries or low-voltage regulated sources. Consider thermal performance and PCB layout requirements associated with the QFN package form factor during initial design phases.

Part Context

This IC belongs to the ISL97900 series of LED drivers manufactured by Renesas Electronics. It is designed to replace older discrete solutions in portable devices, offering integrated protection features and simplified external component count compared to previous generations of LED driver circuits.

Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Cross-reference pinouts and electrical characteristics carefully when evaluating alternative components from other manufacturers to ensure functional compatibility.