Fairchild Semiconductor Corporation

Batteroo, Inc.

Farzan Bob Roohparvar

Fariborz F Roohparvar

Kamyab Mahouti

Methods for extending the life of a battery output regulated voltages from output terminals configured to interface with input terminals of battery powered devices. A method includes receiving a battery electrical power output from the battery. The voltage output by the battery decreases from a battery first output voltage to a battery second output voltage during use of the battery. The electrical power output is used to drive a converter that outputs a converter electrical power having a converter output voltage greater than the battery second output voltage. The converter electrical power is output from output terminals configured to interface with input terminals of a battery powered device. The converter is configured and supported relative to the battery to interface with one or more output terminals of the battery.

Methods of extending the life of battery

Method and circuitry for efficiently boosting voltage for low power supply applications. In one embodiment a phase boosting circuit that boosts a clock signal to substantially twice the power supply voltage level in a single half-cycle is implemented. The circuit eliminates the need for depletion transistors and can thus be implemented using conventional complementary metal-oxide-semiconductor (CMOS) fabrication processes. A novel voltage summing circuit allows the phase doubler to achieve greater boosting capability for applications with ultra low power supply voltages.

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San Jose, CA, United States of America

Farzan Bob Roohparvar