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)
