The MAX9928/MAX9929 low-cost, uni-/bidirectional,high-side, current-sense amplifiers are ideal for monitoringbattery charge and discharge currents in notebooks,cell phones, and other portable equipment.These devices feature a wide -0.1V to +28V input common-mode voltage range, low 20μA supply current withVOS less than 0.4mV, and a gain accuracy better than1.0%. The input common-mode range is independentof the supply voltage, ensuring that the current-senseinformation remains accurate even when the measurementrail is shorted to ground.
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