DM631点晶LED驱动芯片.pdf

DM631 Version : PRE.002 Issue Date : 2007/4/19 File Name : SP-DM631-PRE.002.doc Total Pages : 26 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS 新竹市科學園區展業一路 9號7樓之1 SILICON TOUCH TECHNOLOGY INC. 9-7F-1, Prosperity Road I, Science Based Industrial Park, Hsin-Chu, Taiwan 300, R.O.C. Tel ：886-3-5645656 Fax ：886-3-5645626 點晶科技股份有限公司 SILICON TOUCH TECHNOLOGY INC. 新竹市科學園區展業一路9號7樓之1 9-7F-1, Prosperity Road Ⅰ, Hsin-Chu, Taiwan, R.O.C. DM631 Tel ：886-3-5645656 Fax ：886-3-5645626 DM631 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS General Description DM631 is a 16-channel constant current sink LED driver. Each channel has adjustable 12-bits (4096 steps) grayscale PWM control current outputs. It incorporates shift registers, data latches, constant current circuitry with current value set by an external resistor, selectable oscillator source for PWM functioning, and built-in LED open detection circuit to detect error status. It is specifically designed for LED display or lighting applications. Features Constant-current outputs: 5mA to 90mA adjustable by one external resistor 12-bit P