TC54VC3402EZB

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The TC54VC3402EZB is a supervisor device from the PMIC - Supervisors family, and is a popular choice for applications that need a small and cost-effective voltage monitor. Below, we explore the application fields and working principle of the TC54VC3402EZB.

ApplicationFields of the TC54VC3402EZB

In general, the TC54VC3402EZB is used as an integrated voltage supervisor, with the ability to monitor multiple supply voltages. The device is most commonly used in power supply systems to detect short-term power supply drops and reset the system. The device also offers a variety of other functions, such as:

• Overvoltage detection and alert indication.
• Undervoltage detection and alert indication.
• Power-on reset generation.
• Supports any combination of up to 8 power rails.
• Monitor a range of voltages from 0.4V to 5.25V.
• Covers several microcontroller families.
• Temperature-independent voltage-monitoring edge detect circuit.

The TC54VC3402EZB is an ideal solution for embedded systems and digital ICs powered by a single power supply, and can be adapted for many applications such as car audio, remote controllers, and hand-held computers. It is also used in many processor families such as PIC, HC, and AVR, and is also popular in flash memory solutions.

Working Principle of the TC54VC3402EZB

The working principle of the TC54VC3402EZB is simple but effective. The device is connected to a supply and the output is connected to a controller. The voltage on the supply is monitored by the TC54VC3402EZB and if the voltage drops below the predefined threshold, the device will output a reset signal to the controller, which will reset the system. The reset signal is also generated when the supply voltage rises above the predefined threshold. Thus, the TC54VC3402EZB monitors and protection the system from voltage drops or surges.

Additionally, the TC54VC3402EZB comes with integrated overvoltage and undervoltage protection, which provides protection against voltage supply errors or overcurrent conditions. The device can monitor up to 8 power rails and has selectable reset time-out parameters. The device also offers a temperature-independent voltage-monitoring edge detect circuit with a fast response time. The temperature-independent voltage-monitoring edge detect circuit helps the device to detect any changes in the supply input voltage staying within a certain range.

Conclusion

The TC54VC3402EZB is an extremely popular voltage supervisor from the PMIC - Supervisors family, and is used in many applications. The device offers many useful features such as overvoltage and undervoltage protection and monitoring, and can monitor up to 8 power rails. The temperature-independent voltage-monitoring edge detect circuit helps the device to accurately detect any changes in the supply input voltage staying within a certain range. The device is a cost-effective and reliable way to protect the system from voltage drops and surges, making it an ideal solution for embedded systems and digital ICs powered by a single power supply.

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