PT7M7823RTAEX

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PMIC - Supervisors are integrated circuits designed to monitor and control the power management of a system. They allow systems to function safely, keep current levels under control, and offer the ability to detect system errors and alert the user when they occur. The PT7M7823RTAEX is one such PMIC - Supervisor, designed to fit the requirements of a wide range of applications.

PT7M7823RTAEX Application Field and Working Principle

The PT7M7823RTAEX is a supervisor IC for embedded systems, such as automotive electronic control units. The PT7M7823RTAEX offers a wide range of functions, and is suitable for designs using linear regulators, buck converters and switching regulators. This supervisor IC includes Power-On Reset (POR), Over Voltage Protection (OVP) , Under Voltage Protection (UVP) monitoring, adjustable and programmable Reset thresholds, temperature and input signal monitoring, programmable application parameters and several device features.

The maximum input voltage is 16 V and the Reset signal is push-pull with a 0.8 V minimum reset level. The over-voltage threshold is adjustable to 8.5 V, and the under voltage threshold is adjustable to 5.8 V.

The PT7M7823RTAEX is capable of resetting a system when the input voltage falls below a certain threshold. Its OVP and UVP limits are adjustable and the reset thresholds are configurable. The Internal Clock Generator function allows for controlling the frequency of the reset signal and setting the duration of the reset signal.

The PT7M7823RTAEX includes internal temperature monitoring, allowing for the detection of temperature changes as well as input signal monitoring. It also includes a fault timer, which can be used to detect incorrect functioning of the system, and alert the user through a digital signal. The fault timer will detect and reset the system automatically.

The PT7M7823RTAEX also provides programmable application parameters such as reset timeouts and various fault flags. This allows for customised reset control, including specific behaviours based on the connected device. The PT7M7823RTAEX is also designed to automatically recover from power-down situations, removing the need for manual resets.

The PT7M7823RTAEX also provides comprehensive protection capabilities, including brown-out reset (BOR) and over-temperature warning flags. The BOR is triggered when the input voltage drops below the pre-set threshold, whereas the over-temperature warning flag is triggered when the temperature exceeds the pre-defined limit.

In summary, the PT7M7823RTAEX is an adaptable and robust solution for systems requiring reliable power management and reset control. Its versatile features, adjustable and configurable capabilities, and comprehensive protections make it suitable for a wide range of applications, such as automotive electronics.

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