LED driver has leading clock-reverse engine
A Macroblock product story
Edited by the Electronicstalk editorial team Sep 17, 2009
Macroblock has adopted the leading clock-reverse engine in its three-channel, constant-current LED driver, MBI6020, to assure the transmission reliability for LED architectural lighting applications.
MBI6020 enhances the long-distance transmission performances of LED architectural lighting systems and also applies A-Token topology with self-alignment addressing to ensure the accuracy of image-data transmission.
It is specifically designed for applications such as LED curtains or LED strips, channel letters and neon replacement projects.
MBI6020 provides clock-reverse engine and parity-check function to enhance transmission reliability.
Clock-reverse function helps to balance the duty ratio of clock and allows the cascading of more MBI6020s without suffering signal distortion or degradation, while parity-check function avoids signal errors.
MBI6020 also enhances the output capability with built-in buffer to extend the transmission distance so that it may cascade up to 1,024 RBG LED clusters or large LED pixels.
In addition to the improvements on transmission, MBI6020 is designed with S-PWM technology to provide 16-bit grey scales at a low clock frequency of 4MHz.
MBI6020 provides constant output current range from 5m to 50mA for each output channel and supports 3.3 and 5V power systems.
The sustaining voltage is 17V at output channels.
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