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Power supply circuit for a CPU
申请公布号：US8583950(B2)
申请号：US201113090469
申请日期：2011.04.20
申请公布日期：2013.11.12
发明人：LUO QI-YAN;TONG SONG-LIN;PAN YA-JUN
分类号：G06F1/26
主分类号：G06F1/26
摘要：A power supply circuit for a CPU (central processing unit) includes a CPU, a power supply, a plurality of voltage adjustment modules, a pulse width modulator, a plurality of resistivity selection modules, and a module management unit. The resistivity selection module includes an electronic switch, a first resistor, a second resistor, a third resistor, and a fourth resistor. When the CPU operates abnormally, the power supply circuit utilizes the resistors in the resistivity selection module as voltage dividers, thereby restricting MOSFET or other components to operate in a normal voltage range.
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