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双向电流检测与单输出
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时间:2019-12-24
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摘要:电池供电设备经常需要监视充电和放电电流。双电流检测放大器和差动放大器相结合,以产生一个单一的输出电压指示电池电流的大小和方向。Maxim > App Notes > AMPLIFIER AND COMPARATOR CIRCUITS AUTOMOTIVE BATTERY MANAGEMENT Keywords: bidirectional, current sense amp, current monitor, battery, charge current, discharge current, Mar 25, 2003 amplifier, amplifiers, amps APPLICATION NOTE 1949 Bi-directional Current-Sense with Single Output Abstract: Battery operated devices often need to monitor both charge and discharge currents. A dual current- sense amplifier and differential amplifier are combined to produce a single output voltage that indicates magnitude and direction of battery current. Systems such as laptop computers and other devices that have internal charge circuitry require a precise bi- directional current-sense amplifier to monitor accurately the battery's current regardless of polarity. The MA……
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