CS1611A-FSZR

Overview

The CS1611A-FSZR is an AC-DC offline switcher LED driver IC from Cirrus Logic, designed for solid-state lighting applications. It utilizes a flyback topology and operates within a temperature range of -40°C to +125°C TJ. The device supports phase dimming capabilities and is housed in a 16-SOIC surface-mount package. Key electrical parameters include a maximum power dissipation of 400 mW and a maximum supply current of 4.5 mA.

Feature Summary

• Integrated digital control engine for high-efficiency operation
• Supports flicker-free phase dimming functionality
• Designed for cost-effective solid-state lighting solutions

Applications

• Solid-state lighting (SSL) systems
• Phase-dimmable LED drivers
• AC-DC offline switching applications

Procurement Notes

This component is officially listed as End-of-Life (EOL) by the manufacturer. Availability is restricted, and standard distribution channels may not stock new units. Verify obsolescence status and lead times with authorized suppliers before procurement planning.

Selection Notes

Select this part for applications requiring integrated digital control in flyback topologies. Ensure compatibility with phase-dimming requirements and thermal constraints within the specified operating temperature range. Consider EOL status when designing long-term production cycles.

Part Context

The CS1611A-FSZR belongs to the CS161x series of digital control ICs engineered for SSL. It integrates DSP capabilities to manage LED driving efficiently. This series focuses on delivering flicker-free performance while maintaining cost-effectiveness for general illumination markets.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the End-of-Life status. Evaluate functional equivalents within the same family or consult manufacturer resources for recommended replacements.