AS1917Z-T

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Power Management Integrated Circuits (PMICs) are critical components in many types of digital devices and appliances, as they regulate and manage the power supply of these devices. Supervisors are a type of PMIC that are used to monitor and protect the power supply of a circuit, and the AS1917Z-T is a programmable power supervisor that is used to ensure safe and reliable operation of a circuit. This article will provide an overview of the AS1917Z-T application field and working principle.

Application Field

The AS1917Z-T programmable power supervisor can be used for a variety of digital applications, including automotive, industrial, and medical applications. Additionally, this power supervisor is designed for applications that require high levels of accuracy and reliability, and can be used to protect from overvoltages and ESD events. Furthermore, this device meets all required standards for low-voltage and voltage-transient protections.

Specifically, the AS1917Z-T is used in automotive applications to maintain safe operating conditions while no other circuits are being used. This power supervisor works by monitoring voltage and current fluctuations, and providing protection against overvoltages or short-circuits. Additionally, the AS1917Z-T can also reduce power consumption in the circuit by automatically turning off parts that are not in use.

In industrial applications, the AS1917Z-T is typically used to provide overvoltage and undervoltage protections. It is able to detect voltage fluctuations and adjust the power supply accordingly, ensuring safe and reliable operation at all times. Additionally, this power supervisor has a built-in watchdog timer that provides regular monitoring and resetting of digital systems. The AS1917Z-T also has an extremely fast response time, making it especially suitable for mission-critical applications.

Lastly, in medical applications, the AS1917Z-T is used to protect medical devices from overvoltages and interference. This power supervisor is designed for applications that run on low power and require extremely accurate and reliable operation, making it a great choice for medical devices. Additionally, the AS1917Z-T has a low-power mode that can be used to reduce power consumption and extend the life of medical devices.

Working Principle

The AS1917Z-T is a highly integrated programmable power supervisor that is designed to provide overvoltage and undervoltage protection. This power supervisor has two main parts: a supervisor circuit and a gate-drive circuit. The supervisor circuit monitors the input voltage and current and outputs a high-speed signal when an overvoltage or undervoltage condition is detected. The gate-drive circuit then takes the output from the supervisor circuit and controls the gate of an external FET, in order to shut off the power supply when an overvoltage or undervoltage condition is detected.

The AS1917Z-T is a programmable device, which means that it can be configured according to the specific requirements of the application. This includes setting the voltage thresholds, response time, and reset timing. Additionally, the AS1917Z-T can be integrated with external sensing devices, such as current sense resistors and temperature sensors, in order to broaden its range of protection.

In addition to its overvoltage and undervoltage protection, the AS1917Z-T also has a built-in watchdog timer that provides regular monitoring and resetting of the circuit, and the device\'s low-power mode can be used to reduce power consumption. Additionally, the AS1917Z-T is designed to have an extremely fast response time, making it an ideal choice for mission-critical applications.

The AS1917Z-T is a programmable power supervisor that is designed for automotive, industrial, and medical applications. This power supervisor is used to provide overvoltage and undervoltage protection, and is also capable of controlling external FETs in order to shut off the power supply when an overvoltage or undervoltage condition is detected. Additionally, the AS1917Z-T is equipped with a watchdog timer and low-power mode, making it an ideal choice for applications that require high accuracy and reliability.

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