DS1816R-20+T&R

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PMIC (Power Management Integrated Circuits) supervisors are widely used in various applications to avoid overvoltage, overcurrent, over-temperature and system failures. The DS1816R-20+T&R is one of several PMIC supervisors developed by Maxim Integrated, and is currently one of the most popular supervisors out there. This article will provide a brief description of the application field of the DS1816R-20+T&R and the PMIC supervisor\'s working principle.

The DS1816R-20+T&R is a dual-channel, low-power supervisor with three active input voltage rails that support up to 4.7V. It has a power supply range of 1V to 5.5V with a supply voltage supervisor range of 1V to 4.2V. This makes the DS1816R-20+T&R suitable for a wide variety of applications, such as embedded systems, medical devices, consumer electronics, and security-sensitive applications.

In terms of its working principle, the DS1816R-20+T&R comprises several low-power circuits that monitor operating conditions, such as power supply voltage, input voltage, system temperature, and other user-defined conditions. The DS1816R-20+T&R continuously monitors these conditions and will produce a reset output if any of them exceed the predetermined levels.

The DS1816R-20+T&R is equipped with a temperature supervisor that monitors the junction temperature of the device and will generate a reset output if that temperature exceeds a user-defined limit. It also has an under-voltage supervisor for each input voltage rail and will generate a reset if the voltage drops below a user-defined level.

The DS1816R-20+T&R also contains an overload protection circuit that monitors current draw and will generate a reset output if the current exceeds a user-defined level. In addition, the device is equipped with a system reset timer that can be used to generate a reset output after a certain period of time.

Overall, the DS1816R-20+T&R is suitable for a wide variety of applications and is an effective PMIC supervisor due to its comprehensive monitoring and reset generation capabilities. It is capable of preventing system failure due to a variety of conditions, and its low-power monitoring circuits make it suitable for embedded and consumer applications. Furthermore, its temperature supervisor and overload protection circuits make it suitable for applications that require reliable efficiency.

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