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About Current Sense Amplifiers
Current sense amplifiers are integrated circuits with operational amplifiers and sense resistors that are used in measuring the amplitude and direction of current in circuits. There are many types of amplifiers. Examples include a differential current sense amplifier, high-accuracy current-sense amplifier, high-side current sense amplifier, and a high voltage current sense amplifier. A differential current sense amplifier is generally used for battery-operated devices that require both charge and discharge currents to be monitored. A high-accuracy current-sense amplifier facilitates current sharing between various DC/DC converter modules in addition to current sensing. As this causes various modules to be paralleled, current sharing ensures reliable operation. A high-side current sense amplifier employs a high-side monitor that is connected directly to the power source. A high-side current sense amplifier can identify any failure downstream and also initiate appropriate corrective measures. A high-side current sense amplifier can measure load current as well as tolerate any level of high voltage within the limitations in the external parts of the equipment. Other current sense amplifiers are also commonly available.
Engineering Web: Current Sense Amplifiers - Machine Design
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Electrical/Electronic Monthly Without regard to specific motors or amplifiers, I've graphed a transfer function of a load and compared its behavior with two different motors. |
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Electrical and Electronic | Machine Design Amplifiers (16) Batteries, Power Supplies, Fuel Cells (104) |
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Most Viewed | Machine Design (GFCIs), also called earth leakage or residual-current circuit breakers, can sense leakage current to earth ground from live parts and interrupt the |
