BD45471G-TR

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The BD45471G-TR is a general purpose supervisor integrated circuit from ROHM. It is part of a family of power management integrated circuits (PMICs) known as Supervisors. This particular device offers two distinct protection modes, manual reset and low voltage detection of 1.65V to 2.3V. The device is a simple and cost-effective solution for monitoring and resetting a system. It is housed in an SO-8 package and is available in either a commercial or an automotive grade.The primary application of the BD45471G-TR is to detect a low battery voltage and then reset the system. It can be used in automotive, industrial and commercial applications to provide protection against power supply failures. It is suitable for work involving vehicle communication systems, LCD displays and automotive audio systems.The working principle of the device is very simple. The BD45471G-TR monitors the power supply voltage, and when it falls below the specified range, it activates a control signal to reset the system. This prevents system malfunctions due to a low power supply voltage. The device also has a manual reset pin, which can be used to reset the system manually.The reset output of the BD45471G-TR is an open-drain output which switches to a low logic level when the voltage threshold is reached. This means that the reset signal is only active when the power supply is below the threshold. The output can be used to reset other devices, such as MCUs, memory modules, and other chips. The reset delay time is adjustable, allowing the user to tailor the reset timing to the application.The BD45471G-TR is designed to be used in a variety of applications. It is a simple, convenient and cost-effective solution for monitoring and resetting a system. The device is housed in an SO-8 package and is available in an automotive grade for automotive applications. The device also has a manual reset pin, offering flexibility for manual reset operations. The reset output is an open-drain output, allowing the output to be used to reset other ICs. Finally, the adjustable reset delay time ensures that the device can be tailored to the exact application.In conclusion, the BD45471G-TR is a useful and reliable device for monitoring and resetting systems. It is suitable for many automotive, industrial and commercial applications, and it is housed in an SO-8 package with an automotive grade option. It also has a manual reset pin, an open drain output and adjustable reset delay time, offering flexibility for manual reset operations and application-specific reset times. The device is a reliable, simple and cost-effective solution for power failure protection and resetting systems.

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