TC54VC1402ECB713

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PMIC - Supervisors are devices that monitor the performance of a system and act as a supervisor. They provide a range of features, such as overtemperature protection, overvoltage protection, short-circuit protection, load detection, and so on. TheTC54VC1402ECB713 is a PMIC - Supervisors device manufactured by Tokyo-based Toshiba. Its application field and working principle is described in this article.

The TC54VC1402ECB713 is a 3.3 Volt System Reset Supervisor. It is designed to monitor the power supply in electronic systems and to provide power-up reset for microcontrollers and other control logic. The device provides reset assertion if the power supply drops below a predefined threshold, which is programmable using a single resistor. The voltage reference determines when reset is asserted and when reset is deasserted.

The device also supports a Manual Reset feature and can reset devices with an open drain reset pin. In addition, the reset can be asserted on power up and deasserted after a power good delay that is selectable by a resistor. The output is internal pull up, the output impedance is low, and the device can be used with both AC and DC power sources. There is also a timeout feature that will reset the system if the power source is blocked for an extended period of time.

In addition to providing reset functionality, the TC54VC1402ECB713 can be used to monitor other system functions such as overtemperature, overvoltage, short-circuit and load detection. The device can operate over an extended temperature range of -40 degrees Celsius to 125 degrees Celsius. The package for the device is an 8-pin SOIC. Per pin it\'s capable of sinking 16 mA and sources 8 mA.

When used as an overtemperature protector, the device compares the voltage applied to its Overtemperature Pin to its internal reference voltage, and pulls the output low when the overtime pin crosses a certain threshold. This threshold is programmable using a resistor. The overtemperature pin can also be connected to a thermistor so that the threshold voltage can be temperature dependent.

The overvoltage protection feature helps protect electronic systems from input voltage surges. It monitors the input voltage on its Overvoltage Pin and pulls the output low when the input voltage exceeds a certain threshold which is programmable using a resistor. The device can also be used as an external watchdog timer to monitor the device’s microcontroller. If the controller stops running or crashes, the reset output pin is driven low.

With its range of features and functionality, the TC54VC1402ECB713 is well-suited for use in applications where system monitoring, protection, and reset are required. It is designed for use in consumer electronics, automotive, medical, industrial and communications applications where reset and/or monitoring of system parameters is required. The device is cost-effective, reliable, and simple to incorporate into a system design.

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