LP5521YQX/NOPB – 3‑Channel Programmable RGB LED Driver with Animation Support | Available at ChipsX
The LP5521YQX/NOPB is a versatile, low-voltage RGB LED driver from Texas Instruments , engineered to manage color LED applications with integrated PWM driver functionality and programmable motion effects. It supports smooth color transitions, blinking, and custom animation sequences—all controllable via I²C interface. Key Features Three independent constant-current LED drivers (up to 20 mA/channel) Integrated high-resolution PWM controller with 256 grayscale and 32 sequence steps Built-in hardware fade engine for smooth cross-fading and transitions I²C programmable control with registers for animations and LED patterns LED supply voltage range: 2.7 V to 5.5 V Operating temperature range: –40 °C to +85 °C Compact QFN-16, Pb‑free package (space-saving footprint) Typical Applications RGB status indicators and lighting Smart home devices and wearable electronics Visual feedback in appliances and industrial equipment Backlighting and LED sequen...