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Product Detailed Parameters
- Description：IC LED DRIVER OFFL TRIAC 16SOIC
- Series：-
- Mfr：Cirrus Logic Inc.
- Package：Tube
- Type：AC DC Offline Switcher
- Topology：Flyback, Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：11V
- Voltage - Supply (Max)：17V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Triac
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The CS1611-FSZ is a digital control integrated circuit designed for high-efficiency, cost-effective, and flicker-free phase-dimmable solid-state lighting applications. It operates as an off-line TRIAC dimmable LED driver within a compact SOIC-16 package. The component supports 230V flyback converter topologies, providing robust power conversion capabilities for indoor lighting systems while maintaining stable performance across varying dimming conditions.
Feature Summary
- Digital control architecture engineered for high efficiency and flicker-free operation
- Supports phase-dimmable functionality compatible with TRIAC dimmers
- Optimized for compact and efficient power conversion in indoor lighting
Applications
- Indoor solid-state lighting systems
- Phase-dimmable LED fixtures
- Off-line TRIAC dimmable LED drivers
- 230V flyback converter implementations
Procurement Notes
Verify availability status carefully as the CS1611-FSZ is officially listed as obsolete and no longer manufactured by Cirrus Logic Inc. Sourcing new units may be restricted to existing stock or third-party distributors. Confirm exact package integrity and authenticity through authorized channels before procurement. Evaluate alternative part numbers or substitute components from the manufacturer's official documentation to ensure long-term supply chain stability and compatibility with current design requirements.
Selection Notes
Select this component only if the design specifically requires a digital control IC for phase-dimmable, flicker-free LED applications using a TRIAC interface. Ensure the system utilizes a 230V flyback topology compatible with the SOIC-16 package constraints. Given its obsolete status, prioritize designs that can accommodate verified substitutes or alternative package types recommended by the manufacturer to maintain production viability and technical compliance.
Part Context
The CS1611 belongs to a family of digital control ICs including the CS1610, CS1612, and CS1613, all engineered for similar high-efficiency, phase-dimmable solid-state lighting applications. This specific variant, CS1611-FSZ, is distinguished by its SOIC-16 package configuration. The series represents Cirrus Logic's approach to combining digital control with analog power management for modern indoor lighting solutions requiring precise dimming characteristics.
Replacement Considerations
Consult official manufacturer documentation for confirmed substitute part numbers or alternative package types, as the CS1611-FSZ is obsolete. Verify electrical and pinout compatibility with any proposed replacements to ensure seamless integration into existing TRIAC-dimmable LED driver designs without redesigning the core power stage.
