STM1810MWX7F Integrated Circuits (ICs)

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The STM1810MWX7F is a PMIC - Supervisors device that is mainly used as a watchdog timer. It is also known as a system reset controller that helps protect the microcontroller and microprocessor systems. STM1810MWX7F is active high voltage mode and provides a system reset if the watchdog timer expires. This device is mainly used in automotive, industrial, and consumer applications such as communication radios and digital audio distribution systems.

STM1810MWX7F is a versatile system reset controller used to reduce the probability of system failure by providing access to the system reset pin enabling the system to restart automatically in the event of a system reset request. It is a reset controller with integrated watchdog timer that is smart enough to detect system restarts and activate the reset pin accordingly. At the same time, it can monitor the system power supply voltage with an internal voltage regulator.

The main features of the STM1810MWX7F are that it is a low current consumption device, with a low quiescent current of only 5μA. The device also has an integrated watchdog timer circuit that can be used to reset the system in the event of system instability. The watchdog timer circuit is programmed with an interval timer and the interval can be up to 256 seconds. The device also has a fail-safe function that prevents system reset requests when the input voltage is below the threshold.

In addition, STM1810MWX7F is highly configurable with a rich set of settings that can be easily changed to customize the system reset to the application. The reset pin output can be connected to a variety of logic circuits and is capable of providing an active logic high output. The reset output can also be customized with a slew rate setting so that the reset pulse width can be controlled.

The working principle of STM1810MWX7F is relatively simple. In normal operation, the device monitors the power supply and detects if the supply voltage falls below the specified threshold. If the voltage drops below the threshold, the device will detect the low voltage condition and generate a reset request in order to restart the system. The reset request can also be generated manually by applying the enable signal, or by asserting the watchdog timer interrupt.

At the same time, the watchdog timer circuit will start counting down from the pre-defined period and if it expires, it will generate a reset request for the system to reset. The watchdog timer circuit can be disabled in the event of system overload or system instability, allowing the system to remain stable without resetting. The STM1810MWX7F reset controller is a reliable and versatile system reset controller with an integrated watchdog timer.

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