Powering devices having low and high voltage circuits

Details Powering devices having low and high voltage circuits Powering devices having low and high voltage circuits

2008-10-10

2011-10-25

Wallis, Michael Rutland (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Plural converters

C307S032000

Reexamination Certificate

active

08044536

ABSTRACT:
Embodiments of the invention are directed to a device that includes a battery having an output of a battery voltage, a step-up voltage converter, a high voltage circuit, a low voltage circuit and a controller. The step-up voltage converter includes an input that is coupled to the battery voltage. The step-up voltage converter is configured to produce a high supply voltage at an output. The high voltage circuit is coupled to the output of the step-up voltage converter. The controller selectively powers the low voltage circuit using either the output from the step-up voltage converter or the battery voltage.

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