Electronic device and power management control method
AssigneeMStar Semiconductor, Inc.
InventorTien-Hua Yu
Life of this patent
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Abstract
A power management method and associated electronic device are provided. The electronic device includes a power management circuit and a control circuit. The control circuit is powered by a power path. The power management method includes detecting whether the control circuit is powered, forwarding a control authority of the power path to the control circuit when the control circuit is powered, and forwarding the control authority to the power management circuit when the control circuit is not powered.
Claims17
A power management method, for an electronic device, wherein the electronic device comprises a power management circuit, a control circuit, and a power path;
- the power management method comprising:
- detecting whether the control circuit is powered;
- forwarding a control authority of the power path to the control circuit when the control circuit is powered;
- and
- forwarding the control authority of the power path to the power management circuit when the control circuit is not powered.
An electronic device, powered by a power supply, comprising:
- a control circuit, powered by the power supply via a power path;
- and
- a power management circuit, comprising a control selection device, for forwarding a control authority of the power path to the control circuit when the control circuit is powered, and forwarding the control authority to the power management circuit when the control circuit is not powered.
Dependencies are inferred from the claim text.