Invention Grant
US09438110B2 Systems and methods for feed-forward control of load current in DC to DC buck converters 有权
DC-DC降压转换器中负载电流的前馈控制系统和方法

Systems and methods for feed-forward control of load current in DC to DC buck converters
Abstract:
A system for controlling load current in a voltage converter includes a current normalization module that receives a first measurement corresponding to the load current, receives a second measurement corresponding to an inductor current, and matches a first gain of the first measurement corresponding to the load current to a second gain of the second measurement corresponding to the inductor current to generate a normalized load current. A feed-forward generation module receives the normalized load current from the current normalization module and generates a load current feed-forward (LCFF) signal based on the normalized load current. A duty cycle generation module generates a duty cycle used to control the voltage converter based on a commanded output voltage of the voltage converter and the LCFF signal.
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