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Multi-Channel Constant Current LED Driver with Coupled Inductor (CIP of VTIP 10-095)
Case ID:
13-046
Web Published:
5/9/2013
The future LED drivers should be suitable for changeable LED numbers and changeable LED strings. Meanwhile, it should keep high efficiency while having a wide range dimming. Thus, a two-stage structure is proposed based on previous invention (VTIP 10-095). The second stage converter is always operating on an optimally designed point to achieve the best efficiency. The first stage converter is regulated to obtain the required dimming with different LED numbers and different LED strings.
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Category(s):
Electrical
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For Information, Contact:
Grant Brewer
Senior Licensing Associate
Virginia Tech Intellectual Properties, Inc.
(540) 231-6648
grantb76@vt.edu
Inventors:
Weiyi Feng
Fred Lee
Keywords: