Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	ADM6320

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Introduction

PMIC (Power Management ICs) are a subgroup of ICs (Integrated Circuits) used to manage and control the complex power management tasks of a system. PMICs have the ability to regulate and adjust input voltages, help to improve system efficiency and control the power use. Supervisors or Power Supervisor ICs are a subset of PMICs that are designed to detect faults and provide safeties such as over-voltage and over-temperature protection. ADM6320CY29ARJZ-R7 is a single-channel power supervisor IC that is used in various applications.

ADM6320CY29ARJZ-R7 Application Field

ADM6320CY29ARJZ-R7 is used in various devices to monitor power and provide inbuilt protection against over-voltage and over-temperature. It is mainly used in two major applications:

• Networking: ADM6320CY29ARJZ-R7 is commonly used in networking systems such as modems and routers where it provides over-voltage protection for the system\'s hardware. By monitoring the voltage levels, it can detect over-voltage faults and trigger the appropriate shutdown sequence, preventing any unwanted damages.
• Electronic Security and Automation: ADM6320CY29ARJZ-R7 is also used in security systems of buildings and homes as it is able to detect any over-voltage conditions and initiate the startup process, helping it to reduce downtime in security systems.

ADM6320CY29ARJZ-R7 Working Principle

ADM6320CY29ARJZ-R7 is a single-channel power supervisor, providing voltage monitoring and over-voltage protection. It is composed of an 8-bit, 1.65 V to 3.6 V CMOS MCU core, 9-bit, 1.65 V to 5.5 V A/D converter, comparator and watchdog timer (WDT). The MCU core is powered by a 2.7 V to 5.5 V power supply and takes a voltage in the range of 0.5 V to 5.0 V as the monitored voltage input, signaling any over-voltage conditions and triggering the appropriate actions. The comparator inside the Supervisor IC monitors the measurements taken by the A/D converter, comparing them against a reference voltage and triggering the first level of actions for over-voltage protection.The WDT on the chip is used to monitor the system’s operation and reset it in case of any unexpected conditions. It can also alert the user if it fails to reset the system by initiating audible alarms like beeping or blinking the onboard LED indicators.

Conclusion

ADM6320CY29ARJZ-R7 is a single-channel power supervisor IC commonly used in networking and electronic security and automation applications. It is equipped with various protections such as over-voltage, embedded 8-bit, 1.65 V to 3.6 V CMOS MCU core, 9-bit, 1.65 V to 5.5 V A/D converter, comparator and watchdog timer (WDT). It measures the voltage input, compares it to the reference voltage and triggers the appropriate actions for over-voltage protection. The WDT also helps to reset the system in case of any unexpected conditions and alerts the user by causing audible alarms or other forms of warnings.

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