ADM6315-46D3ARTZR7

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PMIC - Supervisors are devices designed to protect microprocessors, circuits, and individual components from damage or malfunctions caused by unreliable power sources or from overheating. The ADM6315-46D3ARTZR7 is a PMIC - Supervisor that is commonly used for power management in a variety of systems. This application note will discuss the application field and working principle of the ADM6315-46D3ARTZR7.

The ADM6315-46D3ARTZR7 is a programmable power management IC with an integrated supervisor circuit and a watchdog timer (WDT). This device allows for the monitoring of both power supply voltage and board temperature. It is commonly used in industrial and consumer electronics such as, industrial automation systems, networking equipment and consumer appliances. Its key features are its wide operating supply voltage range (5.5V-18V) and adjustable power supply voltage limits.

The ADM6315-46D3ARTZR7 monitors supply and system voltages, providing protection against over-voltage and under-voltage conditions. It is designed to tolerate up to 45V of transient voltage surge on the Vin pins. Furthermore, during extreme under- and over-voltage events, such as electrostatic discharge (ESD) and load-dump events, the device will remain activated. The ADM6315-46D3ARTZR7 is a dual-monitor IC, allowing for separate monitoring of two power supplies. It features two independent over-voltage monitoring (OV) outputs and two independent under-voltage monitoring (UV) outputs.

The ADM6315-46D3ARTZR7 also features an integrated watchdog timer (WDT) to monitor level-1 protection, detect runaway code, failure of I²C communications, or any failure condition to restart the system. This WDT function has two modes of operation for a variety of application needs. In the first mode, the timer resets the system when an over-voltage or under-voltage condition persists for an extended period of time (over 0.1 seconds). In the second mode, the timer reset the system when an over-voltage or under-voltage condition occurs, without consideration for the duration of the condition.

The ADM6315-46D3ARTZR7 includes an integrated temperature sensor for monitoring system temperature, and to protect against thermal runaway conditions. This high accuracy system temperature monitor will monitor temperatures up to +125°C. Its Thermal Trip Point (TTP) can be programmed to any temperature value between +90°C and +125°C. Additionally, it has an integrated over-temperature reset (OTR) output that can be configured to reset, or non-reset, when the temperature exceeds the programmed TTP value.

The ADM6315-46D3ARTZR7 is a programmable power supervisor with a wide operating voltage range that is suitable for industrial and consumer applications. It monitors supply and system voltages, provides protection against over-voltage and under-voltage conditions, and features an integrated temperature sensor for monitoring system temperature. Additionally, its integrated watchdog timer can detect runaway code and other failure conditions. The ADM6315-46D3ARTZR7 is an ideal solution for controlling and monitoring power sources in a variety of system designs.

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