If this chip help you guys?

http://www.youtube.com/watch?v=zOHUceuDaEw

Features:
✦ White / CW.WW / R.G.B / R.G.B.W applications
✦ One / Two / Three / Four slots data selection for different LED configuration applications
✦ 5V to 40V Operating supply voltage
✦ 350mA maximum constant current output (Per channel)
✦ Current setting by 4 external resistors
✦ 50V Rated output channels for long LED strings
✦ ±1.5% (typ.) LED Current accuracy between channels
✦ ±3% (typ.) LED Current accuracy between chips
✦ Standard DMX512 protocol decoder (USITT DMX512-A)
✦ 4X DMX512 protocol selection (Baud rate=1MHz)
✦ Wide common-mode range for differential input signals
✦ Gamma, 2.2, to transform 8bits DMX to 14bits APDM data
✦ 14bits grayscale resolution with Adaptive Pulse Density Modulation
✦ Frame refresh rate > 2000Hz as a LED driver
Frame refresh rate > 120Hz as a PWM generator
✦ Traditional non-scramble constant current waveform for high power LED applications (PWM generator only)
✦ 512 addresses set by 9 external pins
✦ Built-in oscillator for grayscale control and DMX512 decoder
✦ -40°C to +85°C Ambient temperature range