Energy regulation circuit and operation system utilizing the same
AssigneeVIA Technologies, Inc.
InventorTze-Shiang Wang
Life of this patent
Estimating the term…
Abstract
An energy regulation circuit including a first voltage regulator, a processor, a second voltage regulator, and a controller is provided. The first voltage regulator adjusts an input voltage to generate an adjustment voltage. The processor increases the adjustment voltage according to the input voltage to generate a boost voltage. An energy accumulator is charged according to the boost voltage. The second voltage regulator adjusts the boost voltage to generate an operation voltage. The controller operates according to the operation voltage.
Claims20
An energy regulation circuit comprising:
- a first voltage regulator adjusting an input voltage to generate an adjustment voltage;
- a processor increasing the adjustment voltage according to the input voltage to generate a boost voltage, wherein an energy accumulator is charged according to the boost voltage;
- a second voltage regulator adjusting the boost voltage to generate an operation voltage;
- and
- a controller performing a bidirectional communication with a host device and performing a bidirectional communication with a peripheral device according to the operation voltage to generate a control signal,
- wherein the processor processes the adjustment voltage according to the control signal to generate the boost voltage,
- and further wherein:
- responsive to the host device outputting a host voltage, the host voltage serves as the input voltage, when the peripheral device is not a charger;
- and
- responsive to the peripheral device outputting a charging voltage, the charging voltage serves as the input voltage.
An operation system comprising:
- a host device configured to provide a host voltage or receive a charging voltage;
- a peripheral device configured to receive the host voltage or provide the charging voltage;
- a transmission path coupled between the host device and the peripheral device to transmit the host voltage to the peripheral device when the peripheral device is not a charger;
- and
- an energy regulation circuit coupled between the host device and the peripheral device, the energy regulation circuit comprising:
- a first voltage regulator adjusting the charging voltage to generate an adjustment voltage;
- a processor increasing the adjustment voltage according to the charging voltage and generating a boost voltage, which is utilized to charge an energy accumulator in the processor;
- a second voltage regulator adjusting the boost voltage to generate an operation voltage;
- and
- a controller performing a bidirectional communication with the host device and performing a bidirectional communication with the peripheral device according to the operation voltage to generate a control signal,
- wherein the processor processes the adjustment voltage according to the control signal to generate the boost voltage.
Dependencies are inferred from the claim text.