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DM631 - 16-CHANNEL CONSTANT CURRENT LED DRIVER

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.

Key Features

  • z Constant-current outputs: 5mA to 90mA adjustable by one external resistor z 12-bit PWM control current outputs for each channel z Maximum output voltage: 17V z Maximum clock frequency: 25MHz z Selectable internal/external PWM reference clock z PWM free-running capability (refresh rate (~4.4KHz) with internal oscillator (~ 18 MHz)) z Build-in real-time LED open detection z Package and pin assignment (except QFN32) compatible to pure LED drivers series (ST2221C, DM134/5/6, DM13C) z Power supply.

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Datasheet Details

Part number DM631
Manufacturer SiTi
File Size 491.58 KB
Description 16-CHANNEL CONSTANT CURRENT LED DRIVER
Datasheet download datasheet DM631 Datasheet

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DM631B 16-CHANNEL CONSTANT CURRENT LED DRIVER
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DM633 16-CHANNEL CONSTANT CURRENT LED DRIVER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
DM631 Version : A.003 Issue Date : 2008/05/12 File Name : SP-DM631-A.003.doc Total Pages : 24 16-CHANNEL CONSTANT CURRENT LED DRIVER WITH PROGRAMMABLE PWM OUTPUTS 9 7 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 SILICON TOUCH TECHNOLOGY INC. 9 7 1 9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C. Tel：886-3-5645656 Fax：886-3-5645626 DM631 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.