TC54VN3502EZB713

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This article examines the application field and working principle of the TC54VN3502EZB713 Processor Supervisor, a device used to enhance system reliability. The article covers the engineering specifications, functionality and type of PMIC (Power Management Integrated Circuit) or Processor Supervisor is used, as well as its range of applications. This article also offers an overview of its working principle and recommended guidelines for its successful integration.

Engineering Specifications

The TC54VN3502EZB713 is a low-cost, low-power Processor Supervisor (PS) device with integrated circuit protection. It is based on the industry-standard 45 nm CMOS processing technology, providing improved switching performance and reliability at minimum cost. This device offers protection against single event effects (SEEs), such as latchup and over-voltage protection. It also features a wide operating range of 1.2 to 5.5 volts and a maximum current of 25mA.

This device has an input threshold range of 1.25 to 5.5 V, capable of monitoring 9 different voltage levels. It also features an adjustable delay time of up to 128 ms and a selectable lower trip voltage. The typical reset delay time 100ms, while the maximum reset delay is 500ms. The open drain output allows for short-circuit proof on reset, adjustable pull-down and pull-up currents.

Functionality

This power management integrated circuit is a two-wire PS with internal voltage monitor, reset generator and Brown-out detector. It is designed to monitor voltage levels and provide protection for microprocessors and microcontrollers. It can detect an out-of-tolerance voltage condition and then activate the reset signal in order to ensure system integrity. In addition, its integrated voltage monitor and over voltage protection offer circuit protection from power surges.

The device has a standard list of functions, such as resetting the device, generating reset pulse and processing reset delay time. It also has a clear signal without any glitches, built-in filtering to help reduce EMI, a factory-trimmed reset trip point, adjustable reset delay and active-low or open drain reset output. Furthermore, it supports a wide variety of microprocessors and microcontrollers, including ARM and x86.

Applications

This Processor Supervisor can be used in a variety of applications, including computer systems, industrial and consumer applications, networking equipment, telecommunications and medical devices. In particular, it is designed to provide protection for microprocessors, DSPs, microcontrollers and memories from over-voltage and over-current conditions. It can also detect out-of-tolerance voltage levels, resulting in a reset signal.

This Processor Supervisor is notable for its low-noise operation and wide operating temperature range, which make it suitable for a variety of industrial, consumer, and medical applications. Furthermore, its low-current operation allows for efficient and reliable power management. Moreover, its inexpensive price makes it an attractive choice for cost sensitive applications.

Working Principle

The TC54VN3502EZB713 device uses a proprietary monitoring circuit, which continuously monitors the voltage levels at the input before activating the reset signal. The reset signal can be triggered in response to out-of-tolerance voltage levels, exceeding or falling below a predefined threshold. The reset signal is then reconnected once the voltage levels return to tolerance level.

The adjustable delay time feature allows the Processor Supervisor to have a delay period for the reset signal activation, which helps to protect the system from any spurious signals. Furthermore, the device also features an integrated voltage monitor, which is used to ensure safe and reliable operation. This voltage monitor helps detect voltage levels, and if the voltage levels exceed the set thresholds, the reset signal is triggered.

Guidelines for Successful Integration

To ensure successful integration of this Processor Supervisor, there are a few guidelines to consider during design and development. Firstly, it is important to ensure that proper power and ground connections are made to the device. Secondly, it is recommended to use the external filtering capacitors, to reduce the noise caused by EMI. Lastly, it is important to check that the reset delay time setting is appropriate for the system and is adjustable.

It is also important to select the right type of Processor Supervisor, depending on the requirements of the system. For instance, devices with active-low reset output will have an active low reset signal, while devices with open-drain reset output will have an open circuit signal. Additionally, it is also important to ensure proper power management, in order to maximize the reliability of the system.

In conclusion, the TC54VN3502EZB713 Processor Supervisor is a low-cost and low-power power management integrated circuit, designed to protect microprocessors and microcontrollers from over-voltage and over-current conditions. It features a wide operating range of 1.2 to 5.5 volts, adjustable delay time and selectable trip points. Additionally, it supports a variety of microprocessors and is suitable for a range of industrial and consumer applications. With the recommended guidelines from this article, users can ensure a successful integration of this device.

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