Gate voltage boosting element for charge pump
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United States of America Patent
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Dec 25, 2012
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N/A
app pub date -
Oct 29, 2010
filing date -
Oct 29, 2010
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Abstract
Systems, methods, and devices that generate a desired boosted gate voltage to facilitate controlling a charge pump are presented. A multi-phase charge pump (e.g., two-phase CMOS charge pump) can comprise a desired number of switch cells (SCs), wherein each SC can include a gate boost switch control component, which employs two transistors (without the need for external circuitry), and generates a desired gate voltage, based at least in part on a desired clock signal, wherein the desired gate voltage is applied to a charge transfer switch, Mc, of the SC to facilitate transferring a voltage across the Mc to a node on the other side of the Mc, in each stage of the charge pump, wherein the SCs are associated with a desired number of flying capacitors to facilitate increasing the input voltage to a desired output voltage.
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