VOLTAGE REGULATION AUTO-TUNING BY DETECTING ACTUAL TOTAL CAPACITANCE AT OUTPUT TERMINAL

A voltage regulation (VR) module of an Information Handling System (IHS) operates a switching direct current to direct current (DC-DC) voltage regulation (VR) power circuit in a constant current mode at a constant current level. The VR module approximates the capacitance value of the output capaciti...

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Bibliographic Details
Main Authors LUO SHIGUO, JOHNSON RALPH H
Format Patent
LanguageEnglish
Published 08.02.2018
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A voltage regulation (VR) module of an Information Handling System (IHS) operates a switching direct current to direct current (DC-DC) voltage regulation (VR) power circuit in a constant current mode at a constant current level. The VR module approximates the capacitance value of the output capacitive load at the output terminal of the switching DC-DC VR power circuit based upon a time interval for output voltage to reach a threshold. The VR module then operates the switching DC-DC power circuit in constant output voltage mode using one group of VR operating settings to optimize performance for the capacitance value of the output capacitive load.
Bibliography:Application Number: US201615228986