X5648S14-4.5A

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Power management integrated circuits (PMICs) are components that regulate the power going to a microcontroller or integrated circuit (IC). Doing so ensures that the IC does not receive too much or too little power, ensuring that the device operates without any interruptions. Supervisors are specialized PMICs designed to monitor the state of a system and take action if any violation of set parameters or conditions happens. One example of a supervisor PMIC is the Texas Instruments X5648S14-4.5A.

The X5648S14-4.5A is a supervisor IC that takes action when the voltage supply to a system rises above or drops below acceptable levels. Any voltage variation outside of specified ranges can result in the microcontroller crashing or malfunctioning. The supervisor monitors the voltage supplied to the system and will take action whenever these levels rise above or drop below the acceptable limits. This can be in the form of shutting down the system or activating an alert signal.

The X5648S14-4.5A is available in a 4-pin or 5-pin SOT package, offering compatibility and reliable protection of up to four different voltage supplies. It uses a search and latch algorithm which begins searching when the RESET pin is pulled low. The IC monitors incoming and outgoing voltages, learning the boundaries of acceptable voltages as it goes. In case of a voltage deviation outside of these ranges, the supervisor will take the appropriate action based on the amount of voltage received or sent.

The X5648S14-4.5A is well suited for applications such as back-up power systems, overvoltage protection, system replacement and reset supervisor. It is equipped with a manual reset feature that allows the system to be reset using an external signal. This can be used in situations where the system is not responding. It has an industry-standard 5 ms maximum reset time and an adjustable reset threshold voltage of 1.3 V to 5.5 V, with a low-power reset active operating current of 3.5 µA.

The X5648S14-4.5A can also be used for signal monitoring, such as for the health or operation of a device. It offers an adjustable OUTPUT active voltage range of 0.2 V to 5.5 V and has an adjustable hysteresis window of 0.2 V to 3 V, which is a graphical representation of how much voltage variation can occur before the supervisor takes action. In addition, it has a power-on reset active voltage of 1.2 V and a fast response time of 200 μs, making it suitable for use in a variety of digital and analog applications.

The X5648S14-4.5A supervisor is a reliable, cost-effective solution for protecting sensitive components from voltage variations and providing an alert signal when a system violation has occurred. Its features allow it to be used for a variety of applications, from back-up power systems to signal monitoring. Its high performance and low power consumption make it an ideal choice for applications that require protection from high and low voltage.

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