Power supply module
AssigneeInventec Corporation
InventorsShun-Jung Yu, Yuan-Yung Fan, Kai-Hsiang Liang
Life of this patent
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Abstract
A power supply module includes an inductor circuit, a switch circuit, a sensor circuit, and a controller. The inductor circuit includes an inductor and a voltage feedback wire returning the terminal voltage of the inductor. The switch circuit is electrically connected to the inductor circuit for driving the inductor circuit. The sensor circuit is electrically connected to the switch circuit and the voltage feedback wire, in which the sensor circuit controls the switch circuit and generates a current feedback signal according to the terminal voltage of the inductor. The controller is electrically connected to the sensor circuit, in which the controller controls the sensor circuit according to the current feedback signal.
Claims6
A power supply module, comprising:
- an inductor circuit including an inductor and a voltage feedback wire returning the terminal voltage of the inductor;
- a switch circuit electrically connected to the inductor circuit for driving the inductor circuit;
- a sensor circuit electrically connected to the switch circuit and the voltage feedback wire, wherein the sensor circuit controls the switch circuit and generates a current feedback signal according to the terminal voltage of the inductor;
- and
- a controller electrically connected to the sensor circuit, wherein the controller controls the sensor circuit according to the current feedback signal, wherein the controller comprises:
- an analog to digital converter for converting the current feedback signal into a digital current signal;
- and
- a pulse width modulation circuit for tuning the pulse width of a pulse width modulation signal according to the digital current signal.
A power supply module, comprising:
- a plurality of inductor circuits, each including an inductor and a voltage feedback wire, wherein the voltage feedback wire of each inductor circuit returns the terminal voltage of corresponding inductor;
- a plurality of switch circuits for driving the inductor circuits;
- a plurality of sensor circuits electrically connected to the switch circuits and the voltage feedback wires, wherein the sensor circuits control the switch circuits and generate a current feedback signal according to the inductor terminal voltages of the inductor circuits;
- and
- a controller controlling the sensor circuits according to the current feedback signal, wherein the controller comprises:
- an analog to digital converter for converting the current feedback signal into a digital current signal;
- and
- a pulse width modulation circuit for tuning the pulse width of a pulse width modulation signal for tuning the current volume of the inductor.
Dependencies are inferred from the claim text.