Malavé Pérez, Luis A.

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    Design of single-inductor multiple-output converter for low power & high efficiency applications
    (2015) Malavé Pérez, Luis A.; Serrano, Guillermo; College of Engineering; Ortiz Rivera, Eduardo I.; Palomera García, Rogelio; Department of Electrical and Computer Engineering; Cabrera Ríos, Mauricio
    This work presents a control architecture for Single Inductor Multiple Output (SIMO) converters applied to low power applications. A functional Power Management Integrated Circuit (PMIC) was designed, simulated, and fabricated, using a 0.8?m BiCMOS technology, to provide three totally independent output voltages by using only one external inductor. The proposed hybrid operation mode, along with the stable non-invasive inductor current controller, allows the system to achieve high efficiencies even under low load conditions. The system’s architecture exhibits maximum efficiency of 85% with nominal loads of 25?A, 25?A, and 10?A; with less than 1?A of controller current consumption.