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Proposed Hybrid Control Method for Digital PWM
Case ID:
06.012
Web Published:
9/3/2012
This invention proposes a new DPWM control method. This method combines the ideas of constant frequency and constant on-time control. On the one hand, this method can achieve the same duty cycle resolution of constant on-time control, which is much higher than constant frequency control; on the other hand, it keeps the switching frequency nearly constant. This invented method could greatly reduce the requirement for time slot in DPWM block, which could lower the cost and design difficulties.
Patent Information:
App Type
Country
Serial No.
Patent No.
File Date
Issued Date
Patent Status
US Utility
*United States
11/561,104
7,570,037
11/17/2006
8/4/2009
Abandoned
Category(s):
Electrical
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For Information, Contact:
Li Chen
Licensing Associate
Virginia Tech Intellectual Properties, Inc.
(540) 443-9217
lchen@vtip.org
Inventors:
Jian Li
Dong Sam Ha
Yang Qiu
Ming Xu
Fred Lee
Keywords:
Communications