# UCS2904B (Component) ## Description The UCS2904B is a multi-channel LED driver controller IC designed for controlling and driving LED lighting systems, especially in RGB or multi-color LED applications. It is typically used in decorative lighting, display systems, and programmable LED setups where multiple LED channels need to be controlled with precision. Type: Multi-channel LED driver IC Outputs: 4 independent LED channels Control: PWM dimming / serial data control (depends on implementation) Constant current driving for stable LED brightness Built-in grayscale / dimming control (for smooth brightness adjustment) #CommonPartsLibrary #LED ## Component Details - **Owner:** adrian95 - **Created:** 4/17/2026 - **Last Updated:** 4/17/2026 - **Visibility:** Public - **Manufacturer Part Number:** UCS2904B - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** GREELED ELECTRONIC LTD - **Datasheet URL:** https://gree-leds.com/web/userfiles/download/UCS2904EnDatasheet.pdf - **Package or Case Code:** SOP-8_L4.9-W3.9-P1.27-LS6.0-BL - **Part Type:** LED - **Part Type:** Optoelectronic Devices - **MPN:** UCS2904B - **Package / Case Code:** 8-SOP - **Pin Count:** 8 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | OUTR | | | 2 | OUTG | | | 3 | OUTB | | | 4 | GND | | | 5 | DOUT | | | 6 | DIN | | | 7 | VDD | | | 8 | OUTW | | --- *Generated from [https://www.flux.ai/adrian95/ucs2904b](https://www.flux.ai/adrian95/ucs2904b)*