Power management systems and methods related to a plurality of converters for providing dual integrated multi-mode power management
AssigneeSkyworks Solutions, Inc.
InventorDavid Steven Ripley
Life of this patent
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Abstract
A method for converting voltage is disclosed, including implementing a first DC-DC converter in a power management unit; implementing a second DC-DC converter in the power management unit; implementing a controller communicatively coupled to a first output line of the first DC-DC converter and communicatively coupled to a second output line of the second DC-DC converter; coupling the power management unit to a supply voltage; and providing one or more output voltages on the first output line and the second output line.
Claims20
A method for converting voltage, the method comprising:
- implementing a first DC-DC converter in a power management unit, the first DC-DC converter coupled to a first output voltage line associated with a first set of frequency bands;
- implementing a second DC-DC converter in the power management unit, the second DC-DC converter coupled to a second output voltage line associated with a second set of frequency bands;
- implementing a first set of switches associated with the first DC-DC converter;
- and
- implementing a second set of switches associated with the second DC-DC converter, the first DC-DC converter and the second DC-DC converter coupled to a third output voltage line configured to provide a combined output voltage from the first DC-DC converter and the second DC-DC converter, output from the first DC-DC converter directly connected to the third output voltage line, output from the second DC-DC converter directly connected to the third output voltage line, the first output voltage line associated with a high-band power amplifier, the second output voltage line associated with a low-band power amplifier, the third output voltage line associated with a mid-band power amplifier.
A power management integrated circuit, comprising:
- a semiconductor substrate;
- a first DC-DC converter with a first set of switches formed on the semiconductor substrate, coupled to a first output voltage line associated with a first set of frequency bands;
- a second DC-DC converter with a second set of switches formed on the semiconductor substrate, coupled to a second output voltage line associated with a second set of frequency bands;
- and
- a controller formed on the semiconductor substrate, the controller configured to toggle one or more switches of the first set of switches and toggle one or more switches of the second set of switches, the first DC-DC converter and the second DC-DC converter coupled to a third output voltage line configured to provide a combined output voltage from the first DC-DC converter and the second DC-DC converter, output from the first DC-DC converter directly connected to the third output voltage line, output from the second DC-DC converter directly connected to the third output voltage line, the first output voltage line associated with a high-band power amplifier, the second output voltage line associated with a low-band power amplifier, the third output voltage line associated with a mid-band power amplifier.
Dependencies are inferred from the claim text.