BU4830FVE-TR

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Power Management Integrated Circuits (PMIC) play a vital role in ensuring that devices function properly. PMICs are used to provide voltage conversion, voltage regulation, power control, and other power management needs. Supervisors are a critical PMIC family that act as the center of a system\'s power network by providing critical protection of the system. BU4830FVE-TR is a low power, ultra-compact supervisor ICs with advanced features and low voltage capability. It is designed to detect and monitor power system conditions, providing voltage supervision, over-temperature warning, and general system information. In this article, we will discuss the application field and working principle of BU4830FVE-TR.

Application Field of BU4830FVE-TR

BU4830FVE-TR is designed for use in a wide range of applications such as on-board equipment and sub-systems, industrial control systems, medical systems and automotive applications. Specifically, it is suitable for use as a power supply supervisor for industrial, automotive and other applications that require reliable over-voltage, over-temperature, or under-voltage supervision.

The BU4830FVE-TR\'s small size and low power requirement are attractive features when building compact systems. Its low power capability makes it a perfect choice for circuits that require less current and voltage draw, while still providing the necessary system detections and protection features. Additionally, the BU4830FVE-TR offers fast response times, making it ideal for situations where precise timing is required.

Working Principle of BU4830FVE-TR

The BU4830FVE-TR is a highly integrated circuit that includes a voltage supervisor, a current limit detector, an over-temperature warning detector, and a power-on reset signal control. The voltage supervisor is designed to monitor the system voltage and provide timely warnings and reset signals when the supply voltage exceeds its adaptable thresholds. The current limit detector monitors the input current for over-current protection and provides an over-current warning signal when the current exceeds the limit. The over-temperature warning detector is designed to monitor the circuit temperature and provides a warning signal when the temperature exceeds the adaptable threshold. Finally, the power-on reset signal control generates a reset signal when the voltage or current exceeds its limits, allowing the system to safely shut down.

The BU4830FVE-TR features a wide operating voltage range of 2.25V to 5V and a low power consumption of just 0.3uA. It also includes a built-in latency timer that can be configured to delay the output signal to avoid false triggers. The BU4830FVE-TR is available in both SOT-23-5 and SOP-8 packages, making it easy to integrate into a variety of applications.

Conclusion

The BU4830FVE-TR is an ultra-compact and low power supervisor IC that is designed for use in a wide range of applications. It provides integrated voltage supervision, current limit detection, over-temperature warning, and power-on reset signal to prevent system damage from voltage, current, and temperature overloads. With its flexibility, small size, and low power requirements, it is the perfect choice for developing compact and reliable circuit designs.

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