CS1631-FSZ

Description：IC LED DRIVER OFFL TRIAC 16SOIC
Series：-
Mfr：Cirrus Logic Inc.
Package：Bulk

SKU:97daca945179 Category: LED Drivers IC Brand: Cirrus Logic Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER OFFL TRIAC 16SOIC
Series：-
Mfr：Cirrus Logic Inc.
Package：Bulk
Type：AC DC Offline Switcher
Topology：Flyback, Step-Down (Buck), 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：625Hz ~ 200kHz
Dimming：Triac
Applications：Lighting
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：16-SOIC
Grade：-
Qualification：-

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CS1631-FSZ

Overview

The CS1631-FSZ is a high-performance offline AC/DC LED driver IC designed for dimmable and high color rendering index (CRI) LED replacement lamps. It integrates an AC/DC converter with a constant current output stage, supporting flyback, buck, and boost topologies. The device features triac dimming capability and operates within a frequency range of 625Hz to 200kHz. It is housed in a 16-SOIC package and requires a minimum supply voltage of 11V.

Feature Summary

Supports multiple power conversion topologies including flyback, step-down (buck), and step-up (boost).
Enables triac dimming functionality for compatible lighting control systems.
Optimized for high color rendering index applications in LED replacement lamps.

Applications

Dimmable LED replacement lamps
High CRI LED lighting fixtures
Offline AC/DC power supplies for solid-state lighting

Procurement Notes

Verify the specific suffix 'FSZ' against manufacturer documentation to confirm package type and tape-and-reel specifications. Confirm that the component meets all relevant safety and electromagnetic compatibility standards required for your target market. Check for any obsolescence notices or lifecycle status updates from Cirrus Logic prior to finalizing procurement plans.

Selection Notes

Select this component when designing offline LED drivers requiring integrated triac dimming support. Ensure the application topology matches the device's capabilities for flyback, buck, or boost configurations. Verify that the input voltage and load requirements align with the chip's operational limits and thermal performance characteristics.

Part Context

This part belongs to the CS1630/CS1631 family of high-performance offline AC/DC LED drivers. These devices are engineered specifically for the lighting industry, offering solutions for retrofitting traditional lamps with energy-efficient LEDs while maintaining compatibility with existing dimmer switches.