Overvoltage, Undervoltage and Reverse Supply Protection Controller
https://www.electronics-lab.com/project/overvoltage-undervoltage-and-reverse-supply-protection-controller/
This project is a High Voltage Protection Controller using the LTC4365 chip and MOSFETs. It shields the load from undervoltage (5V), overvoltage (18V), and reverse polarity by controlling the MOSFET gates. The LTC4365 withstands −40V to 60V and features a 36ms turn-on delay and a FAULT indicator pin.
Under/Over Voltage and Current Protection Switch
https://www.electronics-lab.com/project/under-over-voltage-and-current-protection-switch/
This simple project allows users to design an under-voltage, over-voltage, under-current, and over-current protection switch. It is a highly useful system for safeguarding electrical loads against abnormal power or current conditions. The project features a relay with optocoupler input, a current-sensing circuit based on the INA195 amplifier, a 10mΩ shunt resistor, and a voltage divider […]
Isolated Undervoltage and Overvoltage Detection Module
https://www.electronics-lab.com/project/isolated-undervoltage-and-overvoltage-detection-module/
This high-speed, isolated Undervoltage and Overvoltage detection project is implemented with a dual isolated window comparator with an adjustable threshold (AMC23C14). This circuit is designed for industrial field-supply applications where the controller side must detect whether the remote module supply voltage is in a valid range. The AMC23C14 has open-drain outputs that are pulled up […]
Under Voltage and Over Voltage Monitor for 5V
https://www.electronics-lab.com/project/under-voltage-and-over-voltage-monitor-for-5v/
This project is built using MC33161 IC, which is a universal voltage monitor intended to be used in a wide variety of voltage sensing applications. The project offers an economical solution for positive and negative voltage detection. The circuit consists of two comparator channels each with hysteresis, a unique Mode Select Input for channel programming, […]