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Circuit protection is very important in electronics. It protects the circuit from unexpected over current condition. The INA301A2 is a device that is composed of a high common-mode current sensing amplifier and a high-speed comparator. It can be used to monitor the current consumption of a load and detect overcurrent condition. The device uses an external current sense resistor attached to its internal amplifier common-mode input to monitor the current consumption of a load powered by any single power supply that ranges from 0V up to 36V. The output of this current sensing amplifier serves as an input to the internal comparator that outputs a LOW signal if ever the output of the internal amplifier exceeds the threshold voltage set by an external limit resistor. The output of the current sensing amplifier and the comparator can be used as inputs to a microcontroller for a specific function. Read more

 

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