CS1631 - 2-Channel TRIAC Dimmable LED Driver

Cirrus Logic

Download the CS1631 datasheet PDF. This datasheet also covers the CS1630 variant, as both devices belong to the same 2-channel triac dimmable led driver family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

CS1631 2-channel triac dimmable led driver by Cirrus Logic - Datasheet Preview — Note: The manufacturer provides a single datasheet file (CS1630_CirrusLogic.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	CS1631
Manufacturer	Cirrus Logic
File Size	513.68 KB
Description	2-Channel TRIAC Dimmable LED Driver
Datasheet	CS1631 Datasheet

General Description

• Best-in-class Dimmer Compatibility - Leading-edge (TRIAC) Dimmers - Trailing-edge Dimmers - Digital Dimmers (with Integrated Power Supply) • Correlated Color Temperature (CCT) Control System • Up to 85% Efficiency • Flicker-free Dimming • Programmable Dimming Profile - Constant CCT Dimming - Black Body Line Dimming • 0% Minimum Dimming Level • Temperature Compensated LED Current • End-of-line Programming Using Power Line Calibration - Lower LED Binning Requirement • Programmable Series or Parallel 2-Channel Output - Interleaved Output Eliminates Additional Transformer • Programmable Quasi-resonant Second Stage with Constant-current Output - Flyback, Buck, and Tapped Buck • Register Lockout • Fast Startup • Tight LED Current Regulation: Better than ±5% • Primary-side Regulation (PSR) • >0.9 Power Factor • IEC-61000-3-2 Compliant • Soft Start • Protections: - Output Open/Short - Current-sense Resistor Open/Short - External Overtemperature Using NTC Overview The CS1630 and CS1631 are high-performance offline AC /DC LED drivers for dimmable and high color rendering index (CRI) LED replacement lamps and luminaires.

Overview

CS1630 CS1631 2-Channel TRIAC Dimmable LED Driver IC.

Key Features

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