MC33164DM-3R2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	2.71V
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	Micro8™
Base Part Number:	MC33164

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Introduction

Power management integrated circuits (PMICs) are semiconductor components used in electronic systems for centralized power management. PMICs are commonly used for power regulation, power management, and other related functions in electronic systems, including smartphones, automotive electronics, PCs and industrial equipment. Supervisors are a type of PMIC that provide essential protection for electronic systems by monitoring power problems, preventing damage to the system, and providing a reset signal. Supervisors typically contain comparators, voltage monitor circuits, and watchdog timers to ensure the desired sequence of events takes place. The MC33164DM-3R2 is an example of a supervisor, which provides enhanced features to further protect powering systems against under and over voltages.

MC33164DM-3R2 Application Field and Working Principle

The MC33164DM-3R2 is a Power Management Integrated Circuit (PMIC) Supervisor that can be used to protect powering systems from under and over voltages. This type of supervisor is designed to fit in a narrow space on a PCB, making it an ideal solution for applications where space is limited and weight is a factor. The MC33164DM-3R2 is capable of monitoring two supplies with an over voltage (OV) and an under voltage (UV) interrupt. When the supplies\' voltage exceeds the programmed OVP threshold or drops below the programmed UV threshold, the supervisor will generate an interrupt. The MC33164DM-3R2 also features an adjustable reset output timeout (RTO) to allow the user to adjust the reset de-assertion timing appropriately. The MC33164DM-3R2 also provides a number of features that further enhance the protection of powering systems against under and over voltages, such as a thermal shutdown, Watchdog timer, and supply pin reset. The thermal shutdown function enables the supervisor to automatically shut off power when it detects an over temperature condition. The Watchdog timer feature provides a time-out for any abnormality in the application, allowing it to reset its system timer. The supply pin reset allows the supervisor to issue an active-low reset pulse when the voltage at the supplies\' pins drop below the UV threshold. The MC33164DM-3R2 is an ideal choice for a range of applications, including automotive electronics, robot control systems, home theater systems, and many more. It provides an affordable, space-saving solution to providing over and under voltage protection in powering systems.

Conclusion

The MC33164DM-3R2 is a type of supervisor PMIC that provides enhanced features to further protect powering systems against under and over voltages. It contains comparators, voltage monitor circuits, and watchdog timers to ensure the desired sequence of events takes place. This supervisor also includes features such as thermal shutdown, Watchdog timer, and supply pin reset. The MC33164DM-3R2 can be used in a range of applications, including automotive electronics, robot control systems, and many more. Its small size and affordability make it an ideal choice for powering systems that require protection from under and over voltages.

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