POWER MANAGEMENT UNIT COMPRISING A SINGLE INDUCTOR MULTI OUTPUT (SIMO) DC-DC CONVERTER

Systems and methods provide for a power management unit and its operation. The power management unit includes: a step-down power converter configured to receive a first voltage and output a second voltage, wherein the second voltage is less than the first voltage and at least one step-up power conve...

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Bibliographische Detailangaben
Hauptverfasser: SOMAYAJULA, Shyam, VASADI, Sriharsha, SEEDHER, Ankit
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:Systems and methods provide for a power management unit and its operation. The power management unit includes: a step-down power converter configured to receive a first voltage and output a second voltage, wherein the second voltage is less than the first voltage and at least one step-up power converter configured to receive the second voltage and output a third voltage, wherein the third voltage is greater than the second voltage. It also includes an inductive element connected to the step-down power converter and the at least one step-up power converter and configured to store energy and selectively release the stored energy, wherein the inductive element is time shared by both the step-down power converter and the at least one step-up power converter; and a finite state machine configured to control the time sharing of the inductive element.