ADM825TYRJ-R7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	3.08V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	ADM825

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PMIC - Supervisors Application Field and Working Principle

Power management integrated circuits (PMICs) are devices that help regulate the power and voltage levels in integrated circuits. Supervisors, a type of PMIC, are used for monitoring power in order to prevent damage from over-voltage and over-current events. ADM825TYRJ–R7 is one such supervisor that is used for fault protection and system reset.

Features of ADM825TYRJ–R7

ADM825TYRJ–R7 is a voltage supervisor that is used to monitor system voltage and provide system reset. It is designed to protect systems from over-voltage, under-voltage and over-current conditions, as well as faulty system reset initiation. It has a wide input voltage range of 2.5V to 6.0V, allowing it to be powered by a variety of sources. It is housed in an 8-pin SO package, making it easy to apply and use.

System Reset

One of the key features of ADM825TYRJ–R7 is system reset. When a fault condition is detected, the supervisor will send a signal to the system reset, which will reset all the devices in the system. This helps to prevent catastrophic failure due to faulty power levels. The supervisor has an active-low reset signal, meaning that the reset is triggered when the signal is low.

Application Field of ADM825TYRJ–R7

ADM825TYRJ–R7 is a versatile voltage supervisor, suitable for a variety of applications. It is commonly used in battery operated machines and portable devices that require protection from over-voltage and over-current conditions. It can also be used in industrial automation, automotive, and other point-of-use environments.

Working Principle of ADM825TYRJ–R7

ADM825TYRJ–R7 employs a unique drive-lock system which allows it to monitor a variety of voltages. This system consists of two comparators, the main comparator and the reference comparator. The main comparator monitors the input voltage and compares it to the reference voltage. As the input voltage varies, the main comparator adjusts the voltage on the gate of the device accordingly.The reference comparator monitors the reference voltage and triggers an active low output when the reference voltage is lower than the input voltage. This output is fed to the reset circuit, causing the system to reset. This keeps the system from overloading or crashing due to an excessive voltage or current.Overall, ADM825TYRJ–R7 is an excellent choice for system reset and fault protection. With its wide input voltage range, it is suitable for a variety of applications. It is easy to apply and use, and is an ideal solution for preventing catastrophic failure due to over-voltage and over-current events.

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