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正高边电流传感器监视负电源

资料介绍
摘要:本应用笔记采用了高边电流检测放大器监测从​​负电源电压的电流。该电路使用了IC的宽共模输入范围VSENSE在负电源和水平转向正输出电压的小信号放大。

Maxim > App Notes > AMPLIFIER AND COMPARATOR CIRCUITS BATTERY MANAGEMENT
CIRCUIT PROTECTION MEASUREMENT CIRCUITS

Keywords: current sensor, negative supply, current sense amplifier, negative current monitor, current sense May 11, 2003
amp, current monitor

APPLICATION NOTE 2011
High-Side Positive Current Sensor Monitors Negative Supply

Abstract: This application note uses a high-side current-sense amplifier to monitor the current from a negative
supply voltage. The circuit uses the IC's wide common-mode input range to amplify a small Vsense signal at the
negative supply and level shift it up to a positive output voltage.


All dedicated current-sense amplifiers are designed for high-side sensing on a positive supply, but you can adapt
them to monitor a negative supply (Figur……
正高边电流传感器监视负电源
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