MN1381-Q

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MN1381-Q Application Field and Working Principle

MN1381-Q is a specialized integrated circuit designed to function as a supervisor within the Power Management IC (PMIC) family. The chip was developed to provide an easy-to-use solution for battery-powered products and other small electronic devices.

The circuit is comprised of two main components, the gate driver and the comparator. The gate driver is responsible for providing the necessary signal to turn on and shut off a power switch, while the comparator handles the process of monitoring the battery voltage level.

The primary function of the MN1381-Q is to monitor the voltage levels of a battery and determine when the battery needs to be recharged or disconnected. The chip is programmed to initiate a power switch closure when the battery voltage falls below a predetermined level and to trip the switch when the battery voltage is too high.

When the power switch is closed, the MN1381-Q enables the charger to recharge the battery until the voltage reaches the desired level. Once the battery is fully charged, the chip will keep the switch open, stopping any further mischarging and avoiding potential damage.

The MN1381-Q also offers a push button reset function. When the push button is pressed, the chip will close the power switch, providing power for the circuit even if the battery voltage is too low. The device has an active high reset pin that can be used to reset the circuit via external control.

The MN1381-Q is a versatile PMIC supervisor device that can be used in a variety of applications. Its features make it ideal for use in battery-powered products where it can ensure the battery is charged safely and efficiently. Additionally, it can be used in devices that require a push button reset such as car alarms, home security systems, and other safety-critical applications.

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