Qualcomm Incorporated

Steve John Halter

Tirdad Sowlati

Chang Ki Kwon

Craig E Borden

Methods and implementation of low-power power-on control circuits are disclosed. In a particular embodiment, a computer readable tangible medium stores instructions executable by a computer. The instructions may be executable by the computer to determine whether a power detector circuit powered by a first voltage supply has received a test input from at least one voltage level-shifting device coupled to a second voltage supply.

From a voltage level-shifting device determining a status of a voltage supply based on a test input

Methods and implementation of low-power power-on control circuits are disclosed. In a particular embodiment, an apparatus includes a power detector circuit powered by a first voltage supply. At least one voltage level-shifting device is coupled to a second voltage supply and a test input is provided to the power detector circuit. An optional leakage self-control device may reduce unwanted leakage currents associated with the first supply and the second supply.

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San Diego, CA, United States of America

Steve John Halter