X4325S8I-2.7A

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The X4325S8I-2.7A is an innovative power management integrated circuit (PMIC) specifically designed to serve as a supervisor or power-up manager. It is a versatile IC which enables efficient system startup, shutdown and monitoring. This document aims to provide the reader with the key features and a comprehensive overview of the X4325S8I-2.7A as well as its application field and working principle.

Features

The X4325S8I-2.7A is a low voltage supervisor IC that combines Power Monitor and Reset functions, with a rich set of systemsupport features. Its features are as follows:

• Operating supply voltage range from 2.85V to 5.5V.
• Monitor supply voltage range from 1.3V to 5.5V.
• Programmable active-low reset delay: 16ns, 1ms, 16ms.
• Reset status can be monitored.
• Compatible with 1.8V and 3.3V microprocessor/microcontroller.
• Wide temperature range (-40 to +85 degrees Celsius).

Application Field

The X4325S8I-2.7A is suitable for use in a range of applications that require power management, such as battery-powered devices, computer motherboards, embedded systems and notebook PCs. It provides a combination of power monitor and reset functions which control the power-up and power-down sequencing, as well as providing reset status monitoring and use in microprocessor/microcontroller applications.

Working Principle

The X4325S8I-2.7A operates by monitoring two separate power supplies – the operating supply, which powers the entire system from 2.85V to 5.5V, and the monitor supply, which is the device’s own power source from 1.3V to 5.5V. If the operating supply reaches the voltage threshold, then a reset signal will be triggered for a preset delay interval, allowing the system to maintain system stability.

The X4325S8I-2.7A also has a reset status pin which can be used to determine the reset status of the monitoring and reset circuit. This allows designers to accurately monitor the power-up and power-down sequence of the system, indicating when the system power is stable and ready to begin operation.

Conclusion

Overall, the X4325S8I-2.7A is a versatile PMIC which enables efficient system startup, shutdown and monitoring. With its extensive features and wide voltage range, the X4325S8I-2.7A is suitable for use in a number of power management applications and provides a powerful solution to maintain system stability.

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