TC54VN4302EMB713

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PMIC (Power Management Integrated Circuits) are supervisory circuits that are used to provide a variety of functions in order to properly manage and regulate the power supply in a device. One of the more advanced and sophisticated PMIC products is the TC54VN4302EMB713. This chip is designed to offer a wide range of functions including power-up, power-down, reset latching, and over-voltage protection in a compact, low power package. In this article we will take a look at the TC54VN4302EMB713 application field and working principle.

TC54VN4302EMB713 Application Field

The TC54VN4302EMB713 is designed as a power supervisor IC for high-current, high-speed power-down, power-up and reset latching applications. It is ideal for use in applications such as battery-powered systems and system power down/power up. This chip can also be used in control circuit of microcomputer systems, voltage detection and power reset control circuits, or automotive electronics systems.

The TC54VN4302EMB713 is a single-voltage supervisor with an adjustable threshold voltage of 1.7V to 3.8V. It features two push-and-pull output (PSUP & PDR) and a timer gap prevention circuit. The PSUP pin can be used for power up sequence control reset, and the PDR output can be used for power down reset control. The built-in timer gap prevention circuit ensures reliable reset response even in noisy power supply sources, eliminating the need for external filters.

The TC54VN4302EMB713 also offers overvoltage protection, allowing it to detect short-circuit and overvoltage conditions and shut down the system to protect it from damage. The overvoltage shutdown threshold is adjustable from 1.95V to 4.2V, so it is suitable for most common system power supplies. The chip also features a thermal shutdown protection, which will shut down the system if the temperature exceeds an over-temperature limit.

TC54VN4302EMB713 Working Principle

The TC54VN4302EMB713 is designed to control and regulate the power supply to a device with the help of internal power circuits, voltage detection circuit and reset output circuit. The power control circuit, Voltage detection circuit and reset output circuit are all triggered by the software logic inside the chip. The software logic constantly monitors the input power supply voltage and the voltage detection circuit sends logic signals to the power control circuit, based on the detected power supply voltage.

The power control circuit then responds to the logic signals by switching on and off the power supply, or by issuing power reset signals. The voltage detection circuit also triggers the reset output circuit when the voltage drops below the preset threshold voltage. The reset output circuit will then provide a reset pulse to the control circuit, in order to ensure that the device is properly reset.

In order to protect the system from over-voltage and over-temperature conditions, the TC54VN4302EMB713 also features an over-voltage and over-temperature protection circuit. The over-voltage protection circuit will detect any short-circuit or over-voltage conditions and cut off the power supply to the device in order to protect it from damage. The over-temperature protection circuit will shut down the system if the temperature exceeds an over-temperature limit.

Conclusion

The TC54VN4302EMB713 is a sophisticated PMIC chip that offers a wide range of functions for power-up, power-down and reset latching. This chip is designed for use in high-current and high-speed power-down and power-up applications, and is ideal for use in battery-powered systems, system power down/power up, microcomputer systems, voltage detection and power reset control circuits, or automotive electronics systems. The chip also offers overvoltage protection, thermal shutdown protection and a timer gap prevention circuit to ensure reliable reset response even in noisy power supply sources.

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