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Presents a low offset current sensing circuit based on switched-capacitor, in which resistance sensing technique is used. Under the control of clock switch, the switched-capacitor integrator could feed the operational amplifier offset voltage back to major circuit as a negative feedback regulator periodically to reduce the influence from the offset to the output. It is shown in the HSPICE simulation...
This paper presents an effective design solution for a high-sensitivity current-shunt monitor which operates with an independent supply voltage from 5 to 16 V and achieves a wide input common-mode voltage range from −16 to 60 V. The proposed current-shunt monitor adopts two amplifiers, a current source and several resistors to constitute a feedback circuit and successfully sense drops across shunt...
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