MAX6795TPSD2/V+T

Series:	Automotive, AEC-Q100
Part Status:	Active
Type:	Regulator/Supervisor
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	8.75 ms Minimum
Voltage - Threshold:	2.888V, Adj
Operating Temperature:	-40°C ~ 125°C (TA)

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PMIC - Supervisors: MAX6795TPSD2/V+T application field and working principle

IntroductionPMIC-Supervisors are a special type of semiconductor device which are designed to monitor and protect circuits from overvoltage and overcurrent conditions. The most common type of PMIC-Supervisor is the MAX6795TPSD2/V+T, which is capable of detecting and responding to overvoltage, overcurrent, surge conditions, and thermal protection. This article describes the application field and working principle of the MAX6795TPSD2/V+T.Application FieldThe MAX6795TPSD2/V+T is designed to be used in a wide variety of applications, including communications, consumer electronics, medical and industrial equipment, automotive, computers and peripherals, gaming devices, mobile phones and tablets, and home security systems. It is used for a range of critical system level features, such as overvoltage - and overcurrent protection, as well as surge protection. It is also well-suited for applications such as system level power management and thermal protection.Working PrincipleThe MAX6795TPSD2/V+T utilizes the principle of comparator-based Supervisory circuits to detect and monitor the operating conditions of the system and provide a response in the event of an overvoltage or overcurrent condition. The device consists of two main components - a voltage comparator and an avalanche breakdown diode.The voltage comparator is connected to two external resistors - an upper voltage reference and a lower voltage threshold - to create a voltage divider circuit. The voltage divider circuit is then used to monitor the system voltage, and if the voltage exceeds the predetermined threshold, the comparator output will be driven Low and the transistor will be triggered.The avalanche breakdown diode is connected in parallel to the voltage comparator, and is used to provide an early warning of an overly high voltage condition. If the voltage exceeds the avalanche breakdown voltage of the diode, then a current surge will be generated and the device will quickly switch to a Low state.ConclusionThe MAX6795TPSD2/V+T is a highly versatile and reliable PMIC-Supervisor, capable of monitoring and protecting circuits from overvoltage and overcurrent conditions. It offers a wide range of features, including overvoltage and overcurrent protection, surge protection, thermal protection, and system level power management. This article has provided an overview of its application field and working principle, and has demonstrated its importance for a variety of applications.

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