CS1630

CS1630 CS1631 2-Channel TRIAC Dimmable LED Driver IC Features & 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. It features Cirrus Logic’s proprietary digital dimmer compatibility control technology and digital correlated color temperature (CCT) control system that enables two-channel LED color mixing. The CS1630 is designed for 120VAC line voltage applications, and the CS1631 is optimized for 230VAC...