TM1814 is a high-performance 4-channel constant-current RGBW LED driver IC designed for intelligent LED lighting and decorative illumination. It features a single-wire digital interface, built-in PWM dimming, adjustable output current, and internal synchronization for stable cascading of multiple ICs. Key Features • 4-channel constant-current RGBW LED driver • Adjustable constant current: 6.5 mA to 38 mA • 8-bit PWM dimming (256 brightness levels) • Single-wire serial communication • Data transmission rate: 800 kHz • Built-in 5V regulator • Supports cascading of multiple ICs • Output withstand voltage up to 32V • Low external component count • High current accuracy (±3% channel-to-channel) • SOP-8 SMD package • Operating temperature: -40°C to +85°C Applications • RGBW LED Strip Lights • Pixel LED Lighting • LED Decorative Lighting • Architectural Lighting • LED Signage • Point Light Sources • LED Pixel Modules • Smart Lighting Systems Technical Specifications Parameter Specification Manufacturer Titan Micro Part Number TM1814 Package SOP-8 (SMD) Channels 4 (RGBW) Interface Single-Wire Digital Output Current 6.5–38 mA (Adjustable) PWM Resolution 8-bit (256 Levels) Data Rate 800 kHz Output Voltage Up to 32V Operating Temperature -40°C to +85°C Mounting Type Surface Mount (SMD)