Methods to reduce current spikes in capacitive DC-DC converters employing gain-hopping

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United States of America Patent

PATENT NO 9906122
SERIAL NO

13856393

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Abstract

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A capacitive voltage converter providing multiple gain modes comprising a switched capacitor array having a voltage input and a voltage output. A skip gating control coupled to the switched capacitor array and configured to control a switch resistance value of the switched capacitor array, and to control a switching sequence of the switched capacitor array. An override control coupled to the skip gating control and the switched capacitor array, the override control configured to detect transitions in a gain mode and to modify the switch resistance value of the switched capacitor array and the switching sequence of the switched capacitor array for a finite amount of time following the gain mode transition.

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Patent Owner(s)

Patent OwnerAddress
SYNAPTICS INCORPORATED1109 MCKAY DRIVE SAN JOSE CA 95131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crespi, Lorenzo Costa Mesa, US 49 258
Murukutla, Lakshmi Costa Mesa, US 1 6

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