DC/DC Converter with input and output current sensing and over current protection capable of interrupting the input power supply
AssigneeSamsung Electronics Co., Ltd.
InventorKwang-youn Seo
Life of this patent
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Abstract
A power supply system, includes a power supplying unit supplying a DC power; a DC/DC converter having a plurality of phase processing units separating the DC power supplied from the power supplying unit into a plurality of phase currents to process the plurality of phase currents, with which the DC/DC converter converts the DC power into individual power supplies in a plurality of different voltages; and a controller sensing phase currents of the phase processing units and controlling the power supplying unit so as to interrupt a power supply from the power supplying unit where a voltage corresponding to any one of the phase currents is higher than a predetermined reference voltage.
Claims19
A power supply system, comprising:
- a power supplying unit supplying DC power;
- a DC/DC converter having a plurality of phase processing units separating the DC power supplied from the power supplying unit into a plurality of phase currents to process the plurality of phase currents, with which the DC/DC converter converts the DC power into individual power supplies in a plurality of different voltages needed for each component of a computer system;
- and
- a controller sensing the phase currents of each of the phase processing units of the DC/DC converter and controlling the power supplying unit so as to interrupt the DC power supply from the power supplying unit where a voltage corresponding to any one of the phase currents is higher than a predetermined reference voltage.
A method of controlling a power supply system having a power supplying unit supplying a DC power, and a DC/DC converter having a plurality of phase processing units separating the DC power supplied from the power supplying unit into a plurality of phase currents to process the plurality of phase currents, with which the DC/DC converter converts the DC power into individual power supplies in a plurality of different voltages needed for each component of a computer system, comprising:
- sensing the phase current of each of the phase processing units;
- comparing a voltage corresponding to the sensed phase current of each of the phase processing units with a reference voltage;
- and
- controlling the power supplying unit so as to interrupt a power supply from the power supplying unit where the voltage corresponding to any one of the phase currents is higher than the predetermined reference voltage, as a result of the comparing.
A power supply system having a DC power supply therein, comprising:
- a DC/DC converter being supplied with DC power by the DC power supply and comprising:
- a plurality of phase processing units to supply, respectively, a plurality of phase currents such that the plurality of phase processing units convert the DC power into a plurality of different voltages;
- and
- a controller sensing a voltage corresponding to the phase currents of each of the phase processing units and interrupting the DC power supply when the sensed voltage corresponding to any one of the phase currents is higher than a predetermined reference voltage.
Dependencies are inferred from the claim text.