Adaptive hybrid primary/secondary-side digital control for series resonant DC-DC converters in 48V VR applications
作者： S. Pan , M. Pahlevaninezhad , P. K. Jain
DOI: 10.1109/ECCE.2013.6647364
关键词: Electronic engineering 、 Power MOSFET 、 Digital control 、 Voltage regulator 、 Engineering 、 Voltage regulation 、 Duty cycle 、 Gate driver 、 Adaptive control 、 Current sensor
摘要: In this paper, a current sensorless adaptive secondary-side control is proposed for the series resonant converter, making it good candidate MHz 48 VRs. By means of varying AC equivalent resistance, output voltage regulation achieved by controlling duty cycle synchronous MOSFET. A digital to current-type MOSFETs, which automatically compensates delay caused current-sensor circuit and gate driver, also eliminates sensor in power path. hybrid strategy introduced overcome efficiency degradation control.
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